Revert "Proto API for LB request/responses"

author: Craig Tiller <ctiller@google.com> 2016-02-11 15:45:03 -0800
committer: Craig Tiller <ctiller@google.com> 2016-02-11 15:45:03 -0800
commit: c35e2c582fcb075b973856b3c09c1e91de4b7eae (patch)
tree: d9984547d4e1258037876d621f8deb6c5c43ec65
parent: c3602dc1cf79959237aa90350c5942097f37c90c (diff)
32 files changed, 12 insertions, 1784 deletions
diff --git a/.gitmodules b/.gitmodules
index c37d0abdf0..008bc5fae8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,6 +14,3 @@
 [submodule "third_party/boringssl"]
 	path = third_party/boringssl
 	url = https://boringssl.googlesource.com/boringssl
-[submodule "third_party/nanopb"]
-	path = third_party/nanopb
-	url = https://github.com/nanopb/nanopb.git
diff --git a/BUILD b/BUILD
index 31e0f3aacc..72d5caa8d4 100644
--- a/BUILD
+++ b/BUILD
@@ -182,7 +182,6 @@ cc_library(
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
     "src/core/client_config/lb_policies/pick_first.h",
     "src/core/client_config/lb_policies/round_robin.h",
     "src/core/client_config/lb_policy.h",
@@ -243,7 +242,6 @@ cc_library(
     "src/core/json/json_common.h",
     "src/core/json/json_reader.h",
     "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
@@ -285,10 +283,6 @@ cc_library(
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
     "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
     "src/core/httpcli/httpcli_security_connector.c",
     "src/core/security/base64.c",
     "src/core/security/client_auth_filter.c",
@@ -325,7 +319,6 @@ cc_library(
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
     "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
     "src/core/client_config/lb_policies/pick_first.c",
     "src/core/client_config/lb_policies/round_robin.c",
     "src/core/client_config/lb_policy.c",
@@ -389,7 +382,6 @@ cc_library(
     "src/core/json/json_reader.c",
     "src/core/json/json_string.c",
     "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
     "src/core/surface/alarm.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
@@ -444,9 +436,6 @@ cc_library(
     "src/core/census/operation.c",
     "src/core/census/placeholders.c",
     "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
   ],
   hdrs = [
     "include/grpc/grpc_security.h",
@@ -495,7 +484,6 @@ cc_library(
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
     "src/core/client_config/lb_policies/pick_first.h",
     "src/core/client_config/lb_policies/round_robin.h",
     "src/core/client_config/lb_policy.h",
@@ -556,7 +544,6 @@ cc_library(
     "src/core/json/json_common.h",
     "src/core/json/json_reader.h",
     "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
@@ -598,10 +585,6 @@ cc_library(
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
     "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
     "src/core/surface/init_unsecure.c",
     "src/core/census/grpc_context.c",
     "src/core/census/grpc_filter.c",
@@ -618,7 +601,6 @@ cc_library(
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
     "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
     "src/core/client_config/lb_policies/pick_first.c",
     "src/core/client_config/lb_policies/round_robin.c",
     "src/core/client_config/lb_policy.c",
@@ -682,7 +664,6 @@ cc_library(
     "src/core/json/json_reader.c",
     "src/core/json/json_string.c",
     "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
     "src/core/surface/alarm.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
@@ -737,9 +718,6 @@ cc_library(
     "src/core/census/operation.c",
     "src/core/census/placeholders.c",
     "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
@@ -1303,7 +1281,6 @@ objc_library(
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
     "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
     "src/core/client_config/lb_policies/pick_first.c",
     "src/core/client_config/lb_policies/round_robin.c",
     "src/core/client_config/lb_policy.c",
@@ -1367,7 +1344,6 @@ objc_library(
     "src/core/json/json_reader.c",
     "src/core/json/json_string.c",
     "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
     "src/core/surface/alarm.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
@@ -1422,9 +1398,6 @@ objc_library(
     "src/core/census/operation.c",
     "src/core/census/placeholders.c",
     "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
   ],
   hdrs = [
     "include/grpc/grpc_security.h",
@@ -1468,7 +1441,6 @@ objc_library(
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
     "src/core/client_config/lb_policies/pick_first.h",
     "src/core/client_config/lb_policies/round_robin.h",
     "src/core/client_config/lb_policy.h",
@@ -1529,7 +1501,6 @@ objc_library(
     "src/core/json/json_common.h",
     "src/core/json/json_reader.h",
     "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
@@ -1571,10 +1542,6 @@ objc_library(
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
     "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
   ],
   includes = [
     "include",
diff --git a/Makefile b/Makefile
index 01bbb2cb3c..3c215b35b6 100644
--- a/Makefile
+++ b/Makefile
@@ -940,7 +940,6 @@ grpc_csharp_plugin: $(BINDIR)/$(CONFIG)/grpc_csharp_plugin
 grpc_objective_c_plugin: $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin
 grpc_python_plugin: $(BINDIR)/$(CONFIG)/grpc_python_plugin
 grpc_ruby_plugin: $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
-grpclb_api_test: $(BINDIR)/$(CONFIG)/grpclb_api_test
 hybrid_end2end_test: $(BINDIR)/$(CONFIG)/hybrid_end2end_test
 interop_client: $(BINDIR)/$(CONFIG)/interop_client
 interop_server: $(BINDIR)/$(CONFIG)/interop_server
@@ -1284,7 +1283,6 @@ buildtests_cxx: buildtests_zookeeper privatelibs_cxx \
   $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test \
   $(BINDIR)/$(CONFIG)/generic_end2end_test \
   $(BINDIR)/$(CONFIG)/grpc_cli \
-  $(BINDIR)/$(CONFIG)/grpclb_api_test \
   $(BINDIR)/$(CONFIG)/hybrid_end2end_test \
   $(BINDIR)/$(CONFIG)/interop_client \
   $(BINDIR)/$(CONFIG)/interop_server \
@@ -1593,8 +1591,6 @@ test_cxx: test_zookeeper buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/generic_async_streaming_ping_pong_test || ( echo test generic_async_streaming_ping_pong_test failed ; exit 1 )
 	$(E) "[RUN]     Testing generic_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/generic_end2end_test || ( echo test generic_end2end_test failed ; exit 1 )
-	$(E) "[RUN]     Testing grpclb_api_test"
-	$(Q) $(BINDIR)/$(CONFIG)/grpclb_api_test || ( echo test grpclb_api_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hybrid_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/hybrid_end2end_test || ( echo test hybrid_end2end_test failed ; exit 1 )
 	$(E) "[RUN]     Testing interop_test"
@@ -1745,21 +1741,6 @@ $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc:
 	$(Q) echo "$(GRPCXX_UNSECURE_PC_FILE)" | tr , '\n' >$@
 
 ifeq ($(NO_PROTOC),true)
-$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc: protoc_dep_error
-$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc: protoc_dep_error
-else
-$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc: src/proto/grpc/lb/v0/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
-	$(E) "[PROTOC]  Generating protobuf CC file from $<"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(PROTOC) --cpp_out=$(GENDIR) $<
-
-$(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc: src/proto/grpc/lb/v0/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS) 
-	$(E) "[GRPC]    Generating gRPC's protobuf service CC file from $<"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(PROTOC) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
-endif
-
-ifeq ($(NO_PROTOC),true)
 $(GENDIR)/src/proto/grpc/testing/control.pb.cc: protoc_dep_error
 $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc: protoc_dep_error
 else
@@ -2367,7 +2348,6 @@ LIBGRPC_SRC = \
     src/core/client_config/connector.c \
     src/core/client_config/default_initial_connect_string.c \
     src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/load_balancer_api.c \
     src/core/client_config/lb_policies/pick_first.c \
     src/core/client_config/lb_policies/round_robin.c \
     src/core/client_config/lb_policy.c \
@@ -2431,7 +2411,6 @@ LIBGRPC_SRC = \
     src/core/json/json_reader.c \
     src/core/json/json_string.c \
     src/core/json/json_writer.c \
-    src/core/proto/grpc/lb/v0/load_balancer.pb.c \
     src/core/surface/alarm.c \
     src/core/surface/api_trace.c \
     src/core/surface/byte_buffer.c \
@@ -2486,9 +2465,6 @@ LIBGRPC_SRC = \
     src/core/census/operation.c \
     src/core/census/placeholders.c \
     src/core/census/tracing.c \
-    third_party/nanopb/pb_common.c \
-    third_party/nanopb/pb_decode.c \
-    third_party/nanopb/pb_encode.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/grpc_security.h \
@@ -2656,7 +2632,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/client_config/connector.c \
     src/core/client_config/default_initial_connect_string.c \
     src/core/client_config/initial_connect_string.c \
-    src/core/client_config/lb_policies/load_balancer_api.c \
     src/core/client_config/lb_policies/pick_first.c \
     src/core/client_config/lb_policies/round_robin.c \
     src/core/client_config/lb_policy.c \
@@ -2720,7 +2695,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/json/json_reader.c \
     src/core/json/json_string.c \
     src/core/json/json_writer.c \
-    src/core/proto/grpc/lb/v0/load_balancer.pb.c \
     src/core/surface/alarm.c \
     src/core/surface/api_trace.c \
     src/core/surface/byte_buffer.c \
@@ -2775,9 +2749,6 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/census/operation.c \
     src/core/census/placeholders.c \
     src/core/census/tracing.c \
-    third_party/nanopb/pb_common.c \
-    third_party/nanopb/pb_decode.c \
-    third_party/nanopb/pb_encode.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer.h \
@@ -9699,53 +9670,6 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
-GRPCLB_API_TEST_SRC = \
-    $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc \
-    test/cpp/grpclb/grpclb_api_test.cc \
-
-GRPCLB_API_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPCLB_API_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/grpclb_api_test: openssl_dep_error
-
-else
-
-
-
-
-ifeq ($(NO_PROTOBUF),true)
-
-# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
-
-$(BINDIR)/$(CONFIG)/grpclb_api_test: protobuf_dep_error
-
-else
-
-$(BINDIR)/$(CONFIG)/grpclb_api_test: $(PROTOBUF_DEP) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/grpclb_api_test
-
-endif
-
-endif
-
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/lb/v0/load_balancer.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
-
-$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a
-
-deps_grpclb_api_test: $(GRPCLB_API_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(GRPCLB_API_TEST_OBJS:.o=.dep)
-endif
-endif
-$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.pb.cc $(GENDIR)/src/proto/grpc/lb/v0/load_balancer.grpc.pb.cc
-
-
 HYBRID_END2END_TEST_SRC = \
     test/cpp/end2end/hybrid_end2end_test.cc \
 
diff --git a/binding.gyp b/binding.gyp
index f7a21e56cd..3659bfcf13 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -591,7 +591,6 @@
         'src/core/client_config/connector.c',
         'src/core/client_config/default_initial_connect_string.c',
         'src/core/client_config/initial_connect_string.c',
-        'src/core/client_config/lb_policies/load_balancer_api.c',
         'src/core/client_config/lb_policies/pick_first.c',
         'src/core/client_config/lb_policies/round_robin.c',
         'src/core/client_config/lb_policy.c',
@@ -655,7 +654,6 @@
         'src/core/json/json_reader.c',
         'src/core/json/json_string.c',
         'src/core/json/json_writer.c',
-        'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
         'src/core/surface/alarm.c',
         'src/core/surface/api_trace.c',
         'src/core/surface/byte_buffer.c',
@@ -710,9 +708,6 @@
         'src/core/census/operation.c',
         'src/core/census/placeholders.c',
         'src/core/census/tracing.c',
-        'third_party/nanopb/pb_common.c',
-        'third_party/nanopb/pb_decode.c',
-        'third_party/nanopb/pb_encode.c',
       ],
       "conditions": [
         ['OS == "mac"', {
diff --git a/build.yaml b/build.yaml
index ffa16675d8..7f33ef3f0e 100644
--- a/build.yaml
+++ b/build.yaml
@@ -258,7 +258,6 @@ filegroups:
   - src/core/client_config/client_config.h
   - src/core/client_config/connector.h
   - src/core/client_config/initial_connect_string.h
-  - src/core/client_config/lb_policies/load_balancer_api.h
   - src/core/client_config/lb_policies/pick_first.h
   - src/core/client_config/lb_policies/round_robin.h
   - src/core/client_config/lb_policy.h
@@ -319,7 +318,6 @@ filegroups:
   - src/core/json/json_common.h
   - src/core/json/json_reader.h
   - src/core/json/json_writer.h
-  - src/core/proto/grpc/lb/v0/load_balancer.pb.h
   - src/core/statistics/census_interface.h
   - src/core/statistics/census_rpc_stats.h
   - src/core/surface/api_trace.h
@@ -375,7 +373,6 @@ filegroups:
   - src/core/client_config/connector.c
   - src/core/client_config/default_initial_connect_string.c
   - src/core/client_config/initial_connect_string.c
-  - src/core/client_config/lb_policies/load_balancer_api.c
   - src/core/client_config/lb_policies/pick_first.c
   - src/core/client_config/lb_policies/round_robin.c
   - src/core/client_config/lb_policy.c
@@ -439,7 +436,6 @@ filegroups:
   - src/core/json/json_reader.c
   - src/core/json/json_string.c
   - src/core/json/json_writer.c
-  - src/core/proto/grpc/lb/v0/load_balancer.pb.c
   - src/core/surface/alarm.c
   - src/core/surface/api_trace.c
   - src/core/surface/byte_buffer.c
@@ -515,16 +511,6 @@ filegroups:
   - test/core/util/port_posix.c
   - test/core/util/port_windows.c
   - test/core/util/slice_splitter.c
-- name: nanopb
-  headers:
-  - third_party/nanopb/pb.h
-  - third_party/nanopb/pb_common.h
-  - third_party/nanopb/pb_decode.h
-  - third_party/nanopb/pb_encode.h
-  src:
-  - third_party/nanopb/pb_common.c
-  - third_party/nanopb/pb_decode.c
-  - third_party/nanopb/pb_encode.c
 libs:
 - name: gpr
   build: all
@@ -596,7 +582,6 @@ libs:
   - grpc_codegen
   - grpc_base
   - census
-  - nanopb
   secure: true
   vs_packages:
   - grpc.dependencies.openssl
@@ -645,7 +630,6 @@ libs:
   - grpc_base
   - grpc_codegen
   - census
-  - nanopb
   secure: false
   vs_project_guid: '{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}'
 - name: grpc_zookeeper
@@ -2190,17 +2174,6 @@ targets:
   secure: false
   vs_config_type: Application
   vs_project_guid: '{069E9D05-B78B-4751-9252-D21EBAE7DE8E}'
-- name: grpclb_api_test
-  build: test
-  language: c++
-  src:
-  - src/proto/grpc/lb/v0/load_balancer.proto
-  - test/cpp/grpclb/grpclb_api_test.cc
-  deps:
-  - grpc++_test_util
-  - grpc_test_util
-  - grpc++
-  - grpc
 - name: hybrid_end2end_test
   build: test
   language: c++
diff --git a/gRPC.podspec b/gRPC.podspec
index 05e3802b77..5b4d24e482 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -186,7 +186,6 @@ Pod::Spec.new do |s|
                       'src/core/client_config/client_config.h',
                       'src/core/client_config/connector.h',
                       'src/core/client_config/initial_connect_string.h',
-                      'src/core/client_config/lb_policies/load_balancer_api.h',
                       'src/core/client_config/lb_policies/pick_first.h',
                       'src/core/client_config/lb_policies/round_robin.h',
                       'src/core/client_config/lb_policy.h',
@@ -247,7 +246,6 @@ Pod::Spec.new do |s|
                       'src/core/json/json_common.h',
                       'src/core/json/json_reader.h',
                       'src/core/json/json_writer.h',
-                      'src/core/proto/grpc/lb/v0/load_balancer.pb.h',
                       'src/core/statistics/census_interface.h',
                       'src/core/statistics/census_rpc_stats.h',
                       'src/core/surface/api_trace.h',
@@ -289,10 +287,6 @@ Pod::Spec.new do |s|
                       'src/core/transport/transport_impl.h',
                       'src/core/census/aggregation.h',
                       'src/core/census/rpc_metric_id.h',
-                      'third_party/nanopb/pb.h',
-                      'third_party/nanopb/pb_common.h',
-                      'third_party/nanopb/pb_decode.h',
-                      'third_party/nanopb/pb_encode.h',
                       'include/grpc/grpc_security.h',
                       'include/grpc/impl/codegen/byte_buffer.h',
                       'include/grpc/impl/codegen/compression_types.h',
@@ -342,7 +336,6 @@ Pod::Spec.new do |s|
                       'src/core/client_config/connector.c',
                       'src/core/client_config/default_initial_connect_string.c',
                       'src/core/client_config/initial_connect_string.c',
-                      'src/core/client_config/lb_policies/load_balancer_api.c',
                       'src/core/client_config/lb_policies/pick_first.c',
                       'src/core/client_config/lb_policies/round_robin.c',
                       'src/core/client_config/lb_policy.c',
@@ -406,7 +399,6 @@ Pod::Spec.new do |s|
                       'src/core/json/json_reader.c',
                       'src/core/json/json_string.c',
                       'src/core/json/json_writer.c',
-                      'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
                       'src/core/surface/alarm.c',
                       'src/core/surface/api_trace.c',
                       'src/core/surface/byte_buffer.c',
@@ -460,10 +452,7 @@ Pod::Spec.new do |s|
                       'src/core/census/initialize.c',
                       'src/core/census/operation.c',
                       'src/core/census/placeholders.c',
-                      'src/core/census/tracing.c',
-                      'third_party/nanopb/pb_common.c',
-                      'third_party/nanopb/pb_decode.c',
-                      'third_party/nanopb/pb_encode.c'
+                      'src/core/census/tracing.c'
 
     ss.private_header_files = 'src/core/profiling/timers.h',
                               'src/core/support/block_annotate.h',
@@ -503,7 +492,6 @@ Pod::Spec.new do |s|
                               'src/core/client_config/client_config.h',
                               'src/core/client_config/connector.h',
                               'src/core/client_config/initial_connect_string.h',
-                              'src/core/client_config/lb_policies/load_balancer_api.h',
                               'src/core/client_config/lb_policies/pick_first.h',
                               'src/core/client_config/lb_policies/round_robin.h',
                               'src/core/client_config/lb_policy.h',
@@ -564,7 +552,6 @@ Pod::Spec.new do |s|
                               'src/core/json/json_common.h',
                               'src/core/json/json_reader.h',
                               'src/core/json/json_writer.h',
-                              'src/core/proto/grpc/lb/v0/load_balancer.pb.h',
                               'src/core/statistics/census_interface.h',
                               'src/core/statistics/census_rpc_stats.h',
                               'src/core/surface/api_trace.h',
@@ -605,11 +592,7 @@ Pod::Spec.new do |s|
                               'src/core/transport/transport.h',
                               'src/core/transport/transport_impl.h',
                               'src/core/census/aggregation.h',
-                              'src/core/census/rpc_metric_id.h',
-                              'third_party/nanopb/pb.h',
-                              'third_party/nanopb/pb_common.h',
-                              'third_party/nanopb/pb_decode.h',
-                              'third_party/nanopb/pb_encode.h'
+                              'src/core/census/rpc_metric_id.h'
 
     ss.header_mappings_dir = '.'
     # This isn't officially supported in Cocoapods. We've asked for an alternative:
diff --git a/grpc.gemspec b/grpc.gemspec
index 1ef26761b7..9e4683f41c 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -182,7 +182,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/client_config/client_config.h )
   s.files += %w( src/core/client_config/connector.h )
   s.files += %w( src/core/client_config/initial_connect_string.h )
-  s.files += %w( src/core/client_config/lb_policies/load_balancer_api.h )
   s.files += %w( src/core/client_config/lb_policies/pick_first.h )
   s.files += %w( src/core/client_config/lb_policies/round_robin.h )
   s.files += %w( src/core/client_config/lb_policy.h )
@@ -243,7 +242,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/json/json_common.h )
   s.files += %w( src/core/json/json_reader.h )
   s.files += %w( src/core/json/json_writer.h )
-  s.files += %w( src/core/proto/grpc/lb/v0/load_balancer.pb.h )
   s.files += %w( src/core/statistics/census_interface.h )
   s.files += %w( src/core/statistics/census_rpc_stats.h )
   s.files += %w( src/core/surface/api_trace.h )
@@ -285,10 +283,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/transport/transport_impl.h )
   s.files += %w( src/core/census/aggregation.h )
   s.files += %w( src/core/census/rpc_metric_id.h )
-  s.files += %w( third_party/nanopb/pb.h )
-  s.files += %w( third_party/nanopb/pb_common.h )
-  s.files += %w( third_party/nanopb/pb_decode.h )
-  s.files += %w( third_party/nanopb/pb_encode.h )
   s.files += %w( src/core/httpcli/httpcli_security_connector.c )
   s.files += %w( src/core/security/base64.c )
   s.files += %w( src/core/security/client_auth_filter.c )
@@ -325,7 +319,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/client_config/connector.c )
   s.files += %w( src/core/client_config/default_initial_connect_string.c )
   s.files += %w( src/core/client_config/initial_connect_string.c )
-  s.files += %w( src/core/client_config/lb_policies/load_balancer_api.c )
   s.files += %w( src/core/client_config/lb_policies/pick_first.c )
   s.files += %w( src/core/client_config/lb_policies/round_robin.c )
   s.files += %w( src/core/client_config/lb_policy.c )
@@ -389,7 +382,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/json/json_reader.c )
   s.files += %w( src/core/json/json_string.c )
   s.files += %w( src/core/json/json_writer.c )
-  s.files += %w( src/core/proto/grpc/lb/v0/load_balancer.pb.c )
   s.files += %w( src/core/surface/alarm.c )
   s.files += %w( src/core/surface/api_trace.c )
   s.files += %w( src/core/surface/byte_buffer.c )
@@ -444,9 +436,6 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/census/operation.c )
   s.files += %w( src/core/census/placeholders.c )
   s.files += %w( src/core/census/tracing.c )
-  s.files += %w( third_party/nanopb/pb_common.c )
-  s.files += %w( third_party/nanopb/pb_decode.c )
-  s.files += %w( third_party/nanopb/pb_encode.c )
   s.files += %w( third_party/boringssl/crypto/aes/internal.h )
   s.files += %w( third_party/boringssl/crypto/asn1/asn1_locl.h )
   s.files += %w( third_party/boringssl/crypto/bio/internal.h )
diff --git a/package.json b/package.json
index b8f8c0a256..1b79ecf92d 100644
--- a/package.json
+++ b/package.json
@@ -128,7 +128,6 @@
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
-    "src/core/client_config/lb_policies/load_balancer_api.h",
     "src/core/client_config/lb_policies/pick_first.h",
     "src/core/client_config/lb_policies/round_robin.h",
     "src/core/client_config/lb_policy.h",
@@ -189,7 +188,6 @@
     "src/core/json/json_common.h",
     "src/core/json/json_reader.h",
     "src/core/json/json_writer.h",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.h",
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
@@ -231,10 +229,6 @@
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
     "src/core/census/rpc_metric_id.h",
-    "third_party/nanopb/pb.h",
-    "third_party/nanopb/pb_common.h",
-    "third_party/nanopb/pb_decode.h",
-    "third_party/nanopb/pb_encode.h",
     "src/core/httpcli/httpcli_security_connector.c",
     "src/core/security/base64.c",
     "src/core/security/client_auth_filter.c",
@@ -271,7 +265,6 @@
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
     "src/core/client_config/initial_connect_string.c",
-    "src/core/client_config/lb_policies/load_balancer_api.c",
     "src/core/client_config/lb_policies/pick_first.c",
     "src/core/client_config/lb_policies/round_robin.c",
     "src/core/client_config/lb_policy.c",
@@ -335,7 +328,6 @@
     "src/core/json/json_reader.c",
     "src/core/json/json_string.c",
     "src/core/json/json_writer.c",
-    "src/core/proto/grpc/lb/v0/load_balancer.pb.c",
     "src/core/surface/alarm.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
@@ -390,9 +382,6 @@
     "src/core/census/operation.c",
     "src/core/census/placeholders.c",
     "src/core/census/tracing.c",
-    "third_party/nanopb/pb_common.c",
-    "third_party/nanopb/pb_decode.c",
-    "third_party/nanopb/pb_encode.c",
     "third_party/zlib/crc32.h",
     "third_party/zlib/deflate.h",
     "third_party/zlib/gzguts.h",
diff --git a/src/core/client_config/lb_policies/load_balancer_api.c b/src/core/client_config/lb_policies/load_balancer_api.c
deleted file mode 100644
index a6b5785fe4..0000000000
--- a/src/core/client_config/lb_policies/load_balancer_api.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/client_config/lb_policies/load_balancer_api.h"
-#include "third_party/nanopb/pb_decode.h"
-#include "third_party/nanopb/pb_encode.h"
-
-#include <grpc/support/alloc.h>
-
-typedef struct decode_serverlist_arg {
-  int first_pass;
-  int i;
-  size_t num_servers;
-  grpc_grpclb_server **servers;
-} decode_serverlist_arg;
-
-/* invoked once for every Server in ServerList */
-static bool decode_serverlist(pb_istream_t *stream, const pb_field_t *field,
-                              void **arg) {
-  decode_serverlist_arg *dec_arg = *arg;
-  if (dec_arg->first_pass != 0) { /* first pass */
-    grpc_grpclb_server server;
-    if (!pb_decode(stream, grpc_lb_v0_Server_fields, &server)) {
-      return false;
-    }
-    dec_arg->num_servers++;
-  } else { /* second pass */
-    grpc_grpclb_server *server = gpr_malloc(sizeof(grpc_grpclb_server));
-    GPR_ASSERT(dec_arg->num_servers > 0);
-    if (dec_arg->i == 0) { /* first iteration of second pass */
-      dec_arg->servers =
-          gpr_malloc(sizeof(grpc_grpclb_server *) * dec_arg->num_servers);
-    }
-    if (!pb_decode(stream, grpc_lb_v0_Server_fields, server)) {
-      return false;
-    }
-    dec_arg->servers[dec_arg->i++] = server;
-  }
-
-  return true;
-}
-
-grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name) {
-  grpc_grpclb_request *req = gpr_malloc(sizeof(grpc_grpclb_request));
-
-  req->has_client_stats = 0; /* TODO(dgq): add support for stats once defined */
-  req->has_initial_request = 1;
-  req->initial_request.has_name = 1;
-  strncpy(req->initial_request.name, lb_service_name,
-          GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH);
-  return req;
-}
-
-gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) {
-  size_t encoded_length;
-  pb_ostream_t sizestream;
-  pb_ostream_t outputstream;
-  gpr_slice slice;
-  memset(&sizestream, 0, sizeof(pb_ostream_t));
-  pb_encode(&sizestream, grpc_lb_v0_LoadBalanceRequest_fields, request);
-  encoded_length = sizestream.bytes_written;
-
-  slice = gpr_slice_malloc(encoded_length);
-  outputstream =
-      pb_ostream_from_buffer(GPR_SLICE_START_PTR(slice), encoded_length);
-  GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v0_LoadBalanceRequest_fields,
-                       request) != 0);
-  return slice;
-}
-
-void grpc_grpclb_request_destroy(grpc_grpclb_request *request) {
-  gpr_free(request);
-}
-
-grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) {
-  bool status;
-  pb_istream_t stream =
-      pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
-                             GPR_SLICE_LENGTH(encoded_response));
-  grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
-  memset(res, 0, sizeof(*res));
-  status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  return res;
-}
-
-grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
-    gpr_slice encoded_response) {
-  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
-  bool status;
-  decode_serverlist_arg arg;
-  pb_istream_t stream =
-      pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
-                             GPR_SLICE_LENGTH(encoded_response));
-  pb_istream_t stream_at_start = stream;
-  grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
-  memset(res, 0, sizeof(*res));
-  memset(&arg, 0, sizeof(decode_serverlist_arg));
-
-  res->server_list.servers.funcs.decode = decode_serverlist;
-  res->server_list.servers.arg = &arg;
-  arg.first_pass = 1;
-  status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.num_servers > 0);
-
-  arg.first_pass = 0;
-  status =
-      pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.servers != NULL);
-
-  sl->num_servers = arg.num_servers;
-  sl->servers = arg.servers;
-  if (res->server_list.has_expiration_interval) {
-    sl->expiration_interval = res->server_list.expiration_interval;
-  }
-  grpc_grpclb_response_destroy(res);
-  return sl;
-}
-
-void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
-  size_t i;
-  for (i = 0; i < serverlist->num_servers; i++) {
-    gpr_free(serverlist->servers[i]);
-  }
-  gpr_free(serverlist->servers);
-  gpr_free(serverlist);
-}
-
-void grpc_grpclb_response_destroy(grpc_grpclb_response *response) {
-  gpr_free(response);
-}
diff --git a/src/core/client_config/lb_policies/load_balancer_api.h b/src/core/client_config/lb_policies/load_balancer_api.h
deleted file mode 100644
index 4dbe1d6c22..0000000000
--- a/src/core/client_config/lb_policies/load_balancer_api.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
-#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
-
-#include <grpc/support/slice_buffer.h>
-
-#include "src/core/client_config/lb_policy_factory.h"
-#include "src/core/proto/grpc/lb/v0/load_balancer.pb.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
-
-typedef grpc_lb_v0_LoadBalanceRequest grpc_grpclb_request;
-typedef grpc_lb_v0_LoadBalanceResponse grpc_grpclb_response;
-typedef grpc_lb_v0_Server grpc_grpclb_server;
-typedef grpc_lb_v0_Duration grpc_grpclb_duration;
-typedef struct grpc_grpclb_serverlist {
-  grpc_grpclb_server **servers;
-  size_t num_servers;
-  grpc_grpclb_duration expiration_interval;
-} grpc_grpclb_serverlist;
-
-/** Create a request for a gRPC LB service under \a lb_service_name */
-grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name);
-
-/** Protocol Buffers v3-encode \a request */
-gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request);
-
-/** Destroy \a request */
-void grpc_grpclb_request_destroy(grpc_grpclb_request *request);
-
-/** Parse (ie, decode) the bytes in \a encoded_response as a \a
- * grpc_grpclb_response */
-grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response);
-
-/** Destroy \a serverlist */
-void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist);
-
-/** Parse the list of servers from an encoded \a grpc_grpclb_response */
-grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
-    gpr_slice encoded_response);
-
-/** Destroy \a response */
-void grpc_grpclb_response_destroy(grpc_grpclb_response *response);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */
diff --git a/src/core/proto/grpc/lb/v0/load_balancer.pb.c b/src/core/proto/grpc/lb/v0/load_balancer.pb.c
deleted file mode 100644
index bbb6fa8224..0000000000
--- a/src/core/proto/grpc/lb/v0/load_balancer.pb.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-/* Automatically generated nanopb constant definitions */
-/* Generated by nanopb-0.3.4-dev */
-
-#include "src/core/proto/grpc/lb/v0/load_balancer.pb.h"
-
-#if PB_PROTO_HEADER_VERSION != 30
-#error Regenerate this file with the current version of nanopb generator.
-#endif
-
-const pb_field_t grpc_lb_v0_Duration_fields[3] = {
-    PB_FIELD(1, INT64, OPTIONAL, STATIC, FIRST, grpc_lb_v0_Duration, seconds,
-             seconds, 0),
-    PB_FIELD(2, INT32, OPTIONAL, STATIC, OTHER, grpc_lb_v0_Duration, nanos,
-             seconds, 0),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = {
-    PB_FIELD(1, MESSAGE, OPTIONAL, STATIC, FIRST, grpc_lb_v0_LoadBalanceRequest,
-             initial_request, initial_request,
-             &grpc_lb_v0_InitialLoadBalanceRequest_fields),
-    PB_FIELD(2, MESSAGE, OPTIONAL, STATIC, OTHER, grpc_lb_v0_LoadBalanceRequest,
-             client_stats, initial_request, &grpc_lb_v0_ClientStats_fields),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = {
-    PB_FIELD(1, STRING, OPTIONAL, STATIC, FIRST,
-             grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_ClientStats_fields[4] = {
-    PB_FIELD(1, INT64, OPTIONAL, STATIC, FIRST, grpc_lb_v0_ClientStats,
-             total_requests, total_requests, 0),
-    PB_FIELD(2, INT64, OPTIONAL, STATIC, OTHER, grpc_lb_v0_ClientStats,
-             client_rpc_errors, total_requests, 0),
-    PB_FIELD(3, INT64, OPTIONAL, STATIC, OTHER, grpc_lb_v0_ClientStats,
-             dropped_requests, client_rpc_errors, 0),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = {
-    PB_FIELD(1, MESSAGE, OPTIONAL, STATIC, FIRST,
-             grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response,
-             &grpc_lb_v0_InitialLoadBalanceResponse_fields),
-    PB_FIELD(2, MESSAGE, OPTIONAL, STATIC, OTHER,
-             grpc_lb_v0_LoadBalanceResponse, server_list, initial_response,
-             &grpc_lb_v0_ServerList_fields),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = {
-    PB_FIELD(1, STRING, OPTIONAL, STATIC, FIRST,
-             grpc_lb_v0_InitialLoadBalanceResponse, client_config,
-             client_config, 0),
-    PB_FIELD(2, STRING, OPTIONAL, STATIC, OTHER,
-             grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate,
-             client_config, 0),
-    PB_FIELD(3, MESSAGE, OPTIONAL, STATIC, OTHER,
-             grpc_lb_v0_InitialLoadBalanceResponse,
-             client_stats_report_interval, load_balancer_delegate,
-             &grpc_lb_v0_Duration_fields),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_ServerList_fields[3] = {
-    PB_FIELD(1, MESSAGE, REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList,
-             servers, servers, &grpc_lb_v0_Server_fields),
-    PB_FIELD(3, MESSAGE, OPTIONAL, STATIC, OTHER, grpc_lb_v0_ServerList,
-             expiration_interval, servers, &grpc_lb_v0_Duration_fields),
-    PB_LAST_FIELD};
-
-const pb_field_t grpc_lb_v0_Server_fields[5] = {
-    PB_FIELD(1, STRING, OPTIONAL, STATIC, FIRST, grpc_lb_v0_Server, ip_address,
-             ip_address, 0),
-    PB_FIELD(2, INT32, OPTIONAL, STATIC, OTHER, grpc_lb_v0_Server, port,
-             ip_address, 0),
-    PB_FIELD(3, BYTES, OPTIONAL, STATIC, OTHER, grpc_lb_v0_Server,
-             load_balance_token, port, 0),
-    PB_FIELD(4, BOOL, OPTIONAL, STATIC, OTHER, grpc_lb_v0_Server, drop_request,
-             load_balance_token, 0),
-    PB_LAST_FIELD};
-
-/* Check that field information fits in pb_field_t */
-#if !defined(PB_FIELD_32BIT)
-/* If you get an error here, it means that you need to define PB_FIELD_32BIT
- * compile-time option. You can do that in pb.h or on compiler command line.
- *
- * The reason you need to do this is that some of your messages contain tag
- * numbers or field sizes that are larger than what can fit in 8 or 16 bit
- * field descriptors.
- */
-PB_STATIC_ASSERT(
-    (pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 &&
-     pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse,
-                   client_stats_report_interval) < 65536 &&
-     pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 &&
-     pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536),
-    YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
-#endif
-
-#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
-/* If you get an error here, it means that you need to define PB_FIELD_16BIT
- * compile-time option. You can do that in pb.h or on compiler command line.
- *
- * The reason you need to do this is that some of your messages contain tag
- * numbers or field sizes that are larger than what can fit in the default
- * 8 bit descriptors.
- */
-PB_STATIC_ASSERT(
-    (pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 &&
-     pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 &&
-     pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse,
-                   client_stats_report_interval) < 256 &&
-     pb_membersize(grpc_lb_v0_ServerList, servers) < 256 &&
-     pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256),
-    YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
-#endif
diff --git a/src/core/proto/grpc/lb/v0/load_balancer.pb.h b/src/core/proto/grpc/lb/v0/load_balancer.pb.h
deleted file mode 100644
index ac83665839..0000000000
--- a/src/core/proto/grpc/lb/v0/load_balancer.pb.h
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-/* Automatically generated nanopb header */
-/* Generated by nanopb-0.3.4-dev */
-
-#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
-#define PB_LOAD_BALANCER_PB_H_INCLUDED
-#include "third_party/nanopb/pb.h"
-#if PB_PROTO_HEADER_VERSION != 30
-#error Regenerate this file with the current version of nanopb generator.
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Enum definitions */
-/* Struct definitions */
-typedef struct _grpc_lb_v0_ClientStats {
-  bool has_total_requests;
-  int64_t total_requests;
-  bool has_client_rpc_errors;
-  int64_t client_rpc_errors;
-  bool has_dropped_requests;
-  int64_t dropped_requests;
-} grpc_lb_v0_ClientStats;
-
-typedef struct _grpc_lb_v0_Duration {
-  bool has_seconds;
-  int64_t seconds;
-  bool has_nanos;
-  int32_t nanos;
-} grpc_lb_v0_Duration;
-
-typedef struct _grpc_lb_v0_InitialLoadBalanceRequest {
-  bool has_name;
-  char name[128];
-} grpc_lb_v0_InitialLoadBalanceRequest;
-
-typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t;
-typedef struct _grpc_lb_v0_Server {
-  bool has_ip_address;
-  char ip_address[46];
-  bool has_port;
-  int32_t port;
-  bool has_load_balance_token;
-  grpc_lb_v0_Server_load_balance_token_t load_balance_token;
-  bool has_drop_request;
-  bool drop_request;
-} grpc_lb_v0_Server;
-
-typedef struct _grpc_lb_v0_InitialLoadBalanceResponse {
-  bool has_client_config;
-  char client_config[64];
-  bool has_load_balancer_delegate;
-  char load_balancer_delegate[64];
-  bool has_client_stats_report_interval;
-  grpc_lb_v0_Duration client_stats_report_interval;
-} grpc_lb_v0_InitialLoadBalanceResponse;
-
-typedef struct _grpc_lb_v0_LoadBalanceRequest {
-  bool has_initial_request;
-  grpc_lb_v0_InitialLoadBalanceRequest initial_request;
-  bool has_client_stats;
-  grpc_lb_v0_ClientStats client_stats;
-} grpc_lb_v0_LoadBalanceRequest;
-
-typedef struct _grpc_lb_v0_ServerList {
-  pb_callback_t servers;
-  bool has_expiration_interval;
-  grpc_lb_v0_Duration expiration_interval;
-} grpc_lb_v0_ServerList;
-
-typedef struct _grpc_lb_v0_LoadBalanceResponse {
-  bool has_initial_response;
-  grpc_lb_v0_InitialLoadBalanceResponse initial_response;
-  bool has_server_list;
-  grpc_lb_v0_ServerList server_list;
-} grpc_lb_v0_LoadBalanceResponse;
-
-/* Default values for struct fields */
-
-/* Initializer values for message structs */
-#define grpc_lb_v0_Duration_init_default \
-  { false, 0, false, 0 }
-#define grpc_lb_v0_LoadBalanceRequest_init_default                   \
-  {                                                                  \
-    false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, \
-        grpc_lb_v0_ClientStats_init_default                          \
-  }
-#define grpc_lb_v0_InitialLoadBalanceRequest_init_default \
-  { false, "" }
-#define grpc_lb_v0_ClientStats_init_default \
-  { false, 0, false, 0, false, 0 }
-#define grpc_lb_v0_LoadBalanceResponse_init_default                   \
-  {                                                                   \
-    false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, \
-        grpc_lb_v0_ServerList_init_default                            \
-  }
-#define grpc_lb_v0_InitialLoadBalanceResponse_init_default \
-  { false, "", false, "", false, grpc_lb_v0_Duration_init_default }
-#define grpc_lb_v0_ServerList_init_default    \
-  {                                           \
-    {                                         \
-      { NULL }                                \
-      , NULL                                  \
-    }                                         \
-    , false, grpc_lb_v0_Duration_init_default \
-  }
-#define grpc_lb_v0_Server_init_default \
-  { false, "", false, 0, false, {0, {0}}, false, 0 }
-#define grpc_lb_v0_Duration_init_zero \
-  { false, 0, false, 0 }
-#define grpc_lb_v0_LoadBalanceRequest_init_zero                   \
-  {                                                               \
-    false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, \
-        grpc_lb_v0_ClientStats_init_zero                          \
-  }
-#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero \
-  { false, "" }
-#define grpc_lb_v0_ClientStats_init_zero \
-  { false, 0, false, 0, false, 0 }
-#define grpc_lb_v0_LoadBalanceResponse_init_zero                   \
-  {                                                                \
-    false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, \
-        grpc_lb_v0_ServerList_init_zero                            \
-  }
-#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero \
-  { false, "", false, "", false, grpc_lb_v0_Duration_init_zero }
-#define grpc_lb_v0_ServerList_init_zero    \
-  {                                        \
-    {                                      \
-      { NULL }                             \
-      , NULL                               \
-    }                                      \
-    , false, grpc_lb_v0_Duration_init_zero \
-  }
-#define grpc_lb_v0_Server_init_zero \
-  { false, "", false, 0, false, {0, {0}}, false, 0 }
-
-/* Field tags (for use in manual encoding/decoding) */
-#define grpc_lb_v0_ClientStats_total_requests_tag 1
-#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2
-#define grpc_lb_v0_ClientStats_dropped_requests_tag 3
-#define grpc_lb_v0_Duration_seconds_tag 1
-#define grpc_lb_v0_Duration_nanos_tag 2
-#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1
-#define grpc_lb_v0_Server_ip_address_tag 1
-#define grpc_lb_v0_Server_port_tag 2
-#define grpc_lb_v0_Server_load_balance_token_tag 3
-#define grpc_lb_v0_Server_drop_request_tag 4
-#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1
-#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2
-#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
-#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1
-#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2
-#define grpc_lb_v0_ServerList_servers_tag 1
-#define grpc_lb_v0_ServerList_expiration_interval_tag 3
-#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1
-#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2
-
-/* Struct field encoding specification for nanopb */
-extern const pb_field_t grpc_lb_v0_Duration_fields[3];
-extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3];
-extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2];
-extern const pb_field_t grpc_lb_v0_ClientStats_fields[4];
-extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3];
-extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4];
-extern const pb_field_t grpc_lb_v0_ServerList_fields[3];
-extern const pb_field_t grpc_lb_v0_Server_fields[5];
-
-/* Maximum encoded size of messages (where known) */
-#define grpc_lb_v0_Duration_size 22
-#define grpc_lb_v0_LoadBalanceRequest_size 169
-#define grpc_lb_v0_InitialLoadBalanceRequest_size 131
-#define grpc_lb_v0_ClientStats_size 33
-#define grpc_lb_v0_InitialLoadBalanceResponse_size 156
-#define grpc_lb_v0_Server_size 127
-
-/* Message IDs (where set with "msgid" option) */
-#ifdef PB_MSGID
-
-#define LOAD_BALANCER_MESSAGES
-
-#endif
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif
diff --git a/src/proto/grpc/lb/v0/load_balancer.options b/src/proto/grpc/lb/v0/load_balancer.options
deleted file mode 100644
index 6d4528f838..0000000000
--- a/src/proto/grpc/lb/v0/load_balancer.options
+++ /dev/null
@@ -1,6 +0,0 @@
-grpc.lb.v0.InitialLoadBalanceRequest.name max_size:128
-grpc.lb.v0.InitialLoadBalanceResponse.client_config max_size:64
-grpc.lb.v0.InitialLoadBalanceResponse.load_balancer_delegate max_size:64
-grpc.lb.v0.Server.ip_address max_size:46
-grpc.lb.v0.Server.load_balance_token max_size:64
-load_balancer.proto no_unions:true
diff --git a/src/proto/grpc/lb/v0/load_balancer.proto b/src/proto/grpc/lb/v0/load_balancer.proto
deleted file mode 100644
index e88a4f8c4a..0000000000
--- a/src/proto/grpc/lb/v0/load_balancer.proto
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright 2016, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-syntax = "proto3";
-
-package grpc.lb.v0;
-
-message Duration {
-
-  // Signed seconds of the span of time. Must be from -315,576,000,000
-  // to +315,576,000,000 inclusive.
-  int64 seconds = 1;
-
-  // Signed fractions of a second at nanosecond resolution of the span
-  // of time. Durations less than one second are represented with a 0
-  // `seconds` field and a positive or negative `nanos` field. For durations
-  // of one second or more, a non-zero value for the `nanos` field must be
-  // of the same sign as the `seconds` field. Must be from -999,999,999
-  // to +999,999,999 inclusive.
-  int32 nanos = 2;
-}
-
-service LoadBalancer {
-  // Bidirectional rpc to get a list of servers.
-  rpc BalanceLoad(stream LoadBalanceRequest)
-      returns (stream LoadBalanceResponse);
-}
-
-message LoadBalanceRequest {
-  oneof load_balance_request_type {
-    // This message should be sent on the first request to the load balancer.
-    InitialLoadBalanceRequest initial_request = 1;
-
-    // The client stats should be periodically reported to the load balancer
-    // based on the duration defined in the InitialLoadBalanceResponse.
-    ClientStats client_stats = 2;
-  }
-}
-
-message InitialLoadBalanceRequest {
-  // Name of load balanced service (IE, service.grpc.gslb.google.com)
-  string name = 1;
-}
-
-// Contains client level statistics that are useful to load balancing. Each
-// count should be reset to zero after reporting the stats.
-message ClientStats {
-  // The total number of requests sent by the client since the last report.
-  int64 total_requests = 1;
-
-  // The number of client rpc errors since the last report.
-  int64 client_rpc_errors = 2;
-
-  // The number of dropped requests since the last report.
-  int64 dropped_requests = 3;
-}
-
-message LoadBalanceResponse {
-  oneof load_balance_response_type {
-    // This message should be sent on the first response to the client.
-    InitialLoadBalanceResponse initial_response = 1;
-
-    // Contains the list of servers selected by the load balancer. The client
-    // should send requests to these servers in the specified order.
-    ServerList server_list = 2;
-  }
-}
-
-message InitialLoadBalanceResponse {
-  oneof initial_response_type {
-    // Contains gRPC config options like RPC deadline or flow control.
-    // TODO(yetianx): Change to ClientConfig after it is defined.
-    string client_config = 1;
-
-    // This is an application layer redirect that indicates the client should
-    // use the specified server for load balancing. When this field is set in
-    // the response, the client should open a separate connection to the
-    // load_balancer_delegate and call the BalanceLoad method.
-    string load_balancer_delegate = 2;
-  }
-
-  // This interval defines how often the client should send the client stats
-  // to the load balancer. Stats should only be reported when the duration is
-  // positive.
-  Duration client_stats_report_interval = 3;
-}
-
-message ServerList {
-  // Contains a list of servers selected by the load balancer. The list will
-  // be updated when server resolutions change or as needed to balance load
-  // across more servers. The client should consume the server list in order
-  // unless instructed otherwise via the client_config.
-  repeated Server servers = 1;
-
-  // Indicates the amount of time that the client should consider this server
-  // list as valid. It may be considered stale after waiting this interval of
-  // time after receiving the list. If the interval is not positive, the
-  // client can assume the list is valid until the next list is received.
-  Duration expiration_interval = 3;
-}
-
-message Server {
-  // A resolved address and port for the server. The IP address string may
-  // either be an IPv4 or IPv6 address.
-  string ip_address = 1;
-  int32 port = 2;
-
-  // An opaque token that is passed from the client to the server in metadata.
-  // The server may expect this token to indicate that the request from the
-  // client was load balanced.
-  // TODO(yetianx): Not used right now, and will be used after implementing
-  // load report.
-  bytes load_balance_token = 3;
-
-  // Indicates whether this particular request should be dropped by the client
-  // when this server is chosen from the list.
-  bool drop_request = 4;
-}
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 60af862305..8e90f7a61d 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -109,7 +109,6 @@ CORE_SOURCE_FILES = [
   'src/core/client_config/connector.c',
   'src/core/client_config/default_initial_connect_string.c',
   'src/core/client_config/initial_connect_string.c',
-  'src/core/client_config/lb_policies/load_balancer_api.c',
   'src/core/client_config/lb_policies/pick_first.c',
   'src/core/client_config/lb_policies/round_robin.c',
   'src/core/client_config/lb_policy.c',
@@ -173,7 +172,6 @@ CORE_SOURCE_FILES = [
   'src/core/json/json_reader.c',
   'src/core/json/json_string.c',
   'src/core/json/json_writer.c',
-  'src/core/proto/grpc/lb/v0/load_balancer.pb.c',
   'src/core/surface/alarm.c',
   'src/core/surface/api_trace.c',
   'src/core/surface/byte_buffer.c',
@@ -228,9 +226,6 @@ CORE_SOURCE_FILES = [
   'src/core/census/operation.c',
   'src/core/census/placeholders.c',
   'src/core/census/tracing.c',
-  'third_party/nanopb/pb_common.c',
-  'third_party/nanopb/pb_decode.c',
-  'third_party/nanopb/pb_encode.c',
   'src/boringssl/err_data.c',
   'third_party/boringssl/crypto/aes/aes.c',
   'third_party/boringssl/crypto/aes/mode_wrappers.c',
diff --git a/templates/tools/run_tests/sources_and_headers.json.template b/templates/tools/run_tests/sources_and_headers.json.template
index 78363ff1fa..04802772af 100644
--- a/templates/tools/run_tests/sources_and_headers.json.template
+++ b/templates/tools/run_tests/sources_and_headers.json.template
@@ -12,27 +12,20 @@
   			out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h'])
   	return out
   
-  def no_protos_filter(src):
-  	return os.path.splitext(src)[1] != '.proto'
-
-  def no_third_party_filter(src):
-  	return not src.startswith('third_party/')
-  
-  def filter_srcs(srcs, filters):
+  def no_protos(src):
   	out = []
-  	for s in srcs:
-  		filter_passes = (f(s) for f in filters)
-  		if all(filter_passes):
-  			out.append(s)
+  	for f in src:
+  		if os.path.splitext(f)[1] != '.proto':
+  			out.append(f)
   	return out
   %>
   
   ${json.dumps([{"name": tgt.name,
                  "language": tgt.language,
                  "src": sorted(
-                     filter_srcs(tgt.src, (no_protos_filter, no_third_party_filter)) + 
-                     filter_srcs(tgt.get('public_headers', []), (no_protos_filter, no_third_party_filter)) + 
-                     filter_srcs(tgt.get('headers', []), (no_third_party_filter,))),
+                     no_protos(tgt.src) + 
+                     tgt.get('public_headers', []) + 
+                     tgt.get('headers', [])),
                  "headers": sorted(
                      tgt.get('public_headers', []) + 
                      tgt.get('headers', []) + 
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
deleted file mode 100644
index bd4885fb4c..0000000000
--- a/test/cpp/grpclb/grpclb_api_test.cc
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <gtest/gtest.h>
-#include <string>
-
-#include "src/core/client_config/lb_policies/load_balancer_api.h"
-#include "src/proto/grpc/lb/v0/load_balancer.pb.h"  // C++ version
-
-namespace grpc {
-namespace {
-
-using grpc::lb::v0::LoadBalanceRequest;
-using grpc::lb::v0::LoadBalanceResponse;
-
-class GrpclbTest : public ::testing::Test {};
-
-TEST_F(GrpclbTest, CreateRequest) {
-  const std::string service_name = "AServiceName";
-  LoadBalanceRequest request;
-  grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
-  gpr_slice slice = grpc_grpclb_request_encode(c_req);
-  const int num_bytes_written = GPR_SLICE_LENGTH(slice);
-  EXPECT_GT(num_bytes_written, 0);
-  request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written);
-  EXPECT_EQ(request.initial_request().name(), service_name);
-  gpr_slice_unref(slice);
-  grpc_grpclb_request_destroy(c_req);
-}
-
-TEST_F(GrpclbTest, ParseResponse) {
-  LoadBalanceResponse response;
-  const std::string client_config_str = "I'm a client config";
-  auto* initial_response = response.mutable_initial_response();
-  initial_response->set_client_config(client_config_str);
-  auto* client_stats_report_interval =
-      initial_response->mutable_client_stats_report_interval();
-  client_stats_report_interval->set_seconds(123);
-  client_stats_report_interval->set_nanos(456);
-
-  const std::string encoded_response = response.SerializeAsString();
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_string(encoded_response.c_str());
-  grpc_grpclb_response* c_response = grpc_grpclb_response_parse(encoded_slice);
-  EXPECT_TRUE(c_response->has_initial_response);
-  EXPECT_TRUE(c_response->initial_response.has_client_config);
-  EXPECT_FALSE(c_response->initial_response.has_load_balancer_delegate);
-  EXPECT_TRUE(strcmp(c_response->initial_response.client_config,
-                     client_config_str.c_str()) == 0);
-  EXPECT_EQ(c_response->initial_response.client_stats_report_interval.seconds,
-            123);
-  EXPECT_EQ(c_response->initial_response.client_stats_report_interval.nanos,
-            456);
-  gpr_slice_unref(encoded_slice);
-  grpc_grpclb_response_destroy(c_response);
-}
-
-TEST_F(GrpclbTest, ParseResponseServerList) {
-  LoadBalanceResponse response;
-  auto* serverlist = response.mutable_server_list();
-  auto* server = serverlist->add_servers();
-  server->set_ip_address("127.0.0.1");
-  server->set_port(12345);
-  server->set_drop_request(true);
-  server = response.mutable_server_list()->add_servers();
-  server->set_ip_address("10.0.0.1");
-  server->set_port(54321);
-  server->set_drop_request(false);
-  auto* expiration_interval = serverlist->mutable_expiration_interval();
-  expiration_interval->set_seconds(888);
-  expiration_interval->set_nanos(999);
-
-  const std::string encoded_response = response.SerializeAsString();
-  gpr_slice encoded_slice =
-      gpr_slice_from_copied_string(encoded_response.c_str());
-  grpc_grpclb_serverlist* c_serverlist =
-      grpc_grpclb_response_parse_serverlist(encoded_slice);
-  ASSERT_EQ(c_serverlist->num_servers, 2ul);
-  EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address);
-  EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0);
-  EXPECT_EQ(c_serverlist->servers[0]->port, 12345);
-  EXPECT_TRUE(c_serverlist->servers[0]->drop_request);
-  EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address);
-  EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0);
-  EXPECT_EQ(c_serverlist->servers[1]->port, 54321);
-  EXPECT_FALSE(c_serverlist->servers[1]->drop_request);
-
-  EXPECT_TRUE(c_serverlist->expiration_interval.has_seconds);
-  EXPECT_EQ(c_serverlist->expiration_interval.seconds, 888);
-  EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos);
-  EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999);
-
-  gpr_slice_unref(encoded_slice);
-  grpc_grpclb_destroy_serverlist(c_serverlist);
-}
-
-}  // namespace
-}  // namespace grpc
-
-int main(int argc, char** argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}
diff --git a/third_party/nanopb b/third_party/nanopb
deleted file mode 160000
-Subproject 5497a1dfc91a86965383cdd1652e34834540043
diff --git a/tools/codegen/core/gen_load_balancing_proto.sh b/tools/codegen/core/gen_load_balancing_proto.sh
deleted file mode 100755
index 114dd9d70d..0000000000
--- a/tools/codegen/core/gen_load_balancing_proto.sh
+++ /dev/null
@@ -1,133 +0,0 @@
-#!/bin/bash
-
-# Copyright 2016, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#
-# Example usage:
-#   tools/codegen/core/gen_load_balancing_proto.sh \
-#     src/proto/grpc/lb/v0/load_balancer.proto
-
-read -r -d '' COPYRIGHT <<'EOF'
-/*
- *
- * Copyright <YEAR>, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-EOF
-
-# build clang-format docker image
-docker build -t grpc_clang_format tools/dockerfile/grpc_clang_format
-
-CURRENT_YEAR=$(date +%Y)
-COPYRIGHT_FILE=$(mktemp)
-echo "${COPYRIGHT/<YEAR>/$CURRENT_YEAR}" > $COPYRIGHT_FILE
-
-set -ex
-if [ $# -eq 0 ]; then
-  echo "Usage: $0 <load_balancer.proto> [output dir]"
-  exit 1
-fi
-
-readonly GRPC_ROOT=$PWD
-
-OUTPUT_DIR="$GRPC_ROOT/src/core/proto/grpc/lb/v0"
-if [ $# -eq 2 ]; then
-  mkdir -p "$2"
-  if [ $? != 0 ]; then
-    echo "Error creating output directory $2"
-    exit 2
-  fi
-  OUTPUT_DIR="$2"
-fi
-
-readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options"
-
-if [[ ! -f "$1" ]]; then
-  echo "Input proto file '$1' doesn't exist."
-  exit 3
-fi
-if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then
-  echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing"
-  exit 4
-fi
-
-pushd "$(dirname $1)" > /dev/null
-
-protoc \
---plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \
---nanopb_out='-T -L#include\ \"third_party/nanopb/pb.h\"'":$OUTPUT_DIR" \
-"$(basename $1)"
-
-readonly PROTO_BASENAME=$(basename $1 .proto)
-sed -i "s:$PROTO_BASENAME.pb.h:src/core/proto/grpc/lb/v0/$PROTO_BASENAME.pb.h:g" \
-    "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
-
-# prepend copyright
-TMPFILE=$(mktemp)
-cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c" > $TMPFILE
-mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.c"
-cat $COPYRIGHT_FILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h" > $TMPFILE
-mv -v $TMPFILE "$OUTPUT_DIR/$PROTO_BASENAME.pb.h"
-
-readonly MOUNTPOINT='/protos'
-docker run --rm=true -v ${HOST_GIT_ROOT}/gens/src/proto/grpc/lb/v0:$MOUNTPOINT \
-        -t grpc_clang_format \
-        clang-format-3.6 -style="{BasedOnStyle: Google, Language: Cpp}" \
-        -i $MOUNTPOINT/load_balancer.pb.c $MOUNTPOINT/load_balancer.pb.h
-
-popd > /dev/null
diff --git a/tools/distrib/check_nanopb_output.sh b/tools/distrib/check_nanopb_output.sh
deleted file mode 100755
index 78d3a734e9..0000000000
--- a/tools/distrib/check_nanopb_output.sh
+++ /dev/null
@@ -1,86 +0,0 @@
-#!/bin/bash
-# Copyright 2015-2016, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-set -ex
-
-apt-get install -y autoconf automake libtool curl python-virtualenv
-
-readonly NANOPB_TMP_OUTPUT="${LOCAL_GIT_ROOT}/gens/src/proto/grpc/lb/v0"
-readonly VENV_DIR=$(mktemp -d)
-# create a virtualenv for nanopb's compiler
-pushd $VENV_DIR
-readonly VENV_NAME="nanopb-$(date '+%Y%m%d_%H%M%S_%N')"
-virtualenv $VENV_NAME
-. $VENV_NAME/bin/activate
-popd
-
-# install proto3
-pip install protobuf==3.0.0b2
-
-# change to root directory
-cd $(dirname $0)/../..
-
-# build clang-format docker image
-docker build -t grpc_clang_format tools/dockerfile/grpc_clang_format
-
-# install protoc version 3
-pushd third_party/protobuf
-./autogen.sh
-./configure
-make
-make install
-ldconfig
-popd
-
-if [ ! -x "/usr/local/bin/protoc" ]; then
-  echo "Error: protoc not found in path"
-  exit 1
-fi
-readonly PROTOC_PATH='/usr/local/bin'
-# stack up and change to nanopb's proto generator directory
-pushd third_party/nanopb/generator/proto
-PATH="$PROTOC_PATH:$PATH" make
-
-# back to the root directory
-popd
-
-
-# nanopb-compile the proto to a temp location
-PATH="$PROTOC_PATH:$PATH" ./tools/codegen/core/gen_load_balancing_proto.sh \
-  src/proto/grpc/lb/v0/load_balancer.proto \
-  $NANOPB_TMP_OUTPUT
-
-# compare outputs to checked compiled code
-diff -rq $NANOPB_TMP_OUTPUT src/core/proto/grpc/lb/v0
-if [ $? != 0 ]; then
-  echo "Outputs differ: $NANOPB_TMP_OUTPUT vs src/core/proto/grpc/lb/v0"
-  exit 1
-fi
-deactivate
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index c6f1b6ae7c..b626843233 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -801,7 +801,6 @@ src/core/channel/subchannel_call_holder.h \
 src/core/client_config/client_config.h \
 src/core/client_config/connector.h \
 src/core/client_config/initial_connect_string.h \
-src/core/client_config/lb_policies/load_balancer_api.h \
 src/core/client_config/lb_policies/pick_first.h \
 src/core/client_config/lb_policies/round_robin.h \
 src/core/client_config/lb_policy.h \
@@ -862,7 +861,6 @@ src/core/json/json.h \
 src/core/json/json_common.h \
 src/core/json/json_reader.h \
 src/core/json/json_writer.h \
-src/core/proto/grpc/lb/v0/load_balancer.pb.h \
 src/core/statistics/census_interface.h \
 src/core/statistics/census_rpc_stats.h \
 src/core/surface/api_trace.h \
@@ -904,10 +902,6 @@ src/core/transport/transport.h \
 src/core/transport/transport_impl.h \
 src/core/census/aggregation.h \
 src/core/census/rpc_metric_id.h \
-third_party/nanopb/pb.h \
-third_party/nanopb/pb_common.h \
-third_party/nanopb/pb_decode.h \
-third_party/nanopb/pb_encode.h \
 src/core/httpcli/httpcli_security_connector.c \
 src/core/security/base64.c \
 src/core/security/client_auth_filter.c \
@@ -944,7 +938,6 @@ src/core/client_config/client_config.c \
 src/core/client_config/connector.c \
 src/core/client_config/default_initial_connect_string.c \
 src/core/client_config/initial_connect_string.c \
-src/core/client_config/lb_policies/load_balancer_api.c \
 src/core/client_config/lb_policies/pick_first.c \
 src/core/client_config/lb_policies/round_robin.c \
 src/core/client_config/lb_policy.c \
@@ -1008,7 +1001,6 @@ src/core/json/json.c \
 src/core/json/json_reader.c \
 src/core/json/json_string.c \
 src/core/json/json_writer.c \
-src/core/proto/grpc/lb/v0/load_balancer.pb.c \
 src/core/surface/alarm.c \
 src/core/surface/api_trace.c \
 src/core/surface/byte_buffer.c \
@@ -1063,9 +1055,6 @@ src/core/census/initialize.c \
 src/core/census/operation.c \
 src/core/census/placeholders.c \
 src/core/census/tracing.c \
-third_party/nanopb/pb_common.c \
-third_party/nanopb/pb_decode.c \
-third_party/nanopb/pb_encode.c \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
 include/grpc/support/atm_gcc_atomic.h \
diff --git a/tools/jenkins/build_docker_and_run_tests.sh b/tools/jenkins/build_docker_and_run_tests.sh
index daa29b2f94..e2ac7518f0 100755
--- a/tools/jenkins/build_docker_and_run_tests.sh
+++ b/tools/jenkins/build_docker_and_run_tests.sh
@@ -60,9 +60,6 @@ docker build -t $DOCKER_IMAGE_NAME $DOCKERFILE_DIR
 # Choose random name for docker container
 CONTAINER_NAME="run_tests_$(uuidgen)"
 
-# Git root as seen by the docker instance
-docker_instance_git_root=/var/local/jenkins/grpc
-
 # Run tests inside docker
 docker run \
   -e "RUN_TESTS_COMMAND=$RUN_TESTS_COMMAND" \
@@ -72,10 +69,9 @@ docker run \
   -e XDG_CACHE_HOME=/tmp/xdg-cache-home \
   -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
   -e HOST_GIT_ROOT=$git_root \
-  -e LOCAL_GIT_ROOT=$docker_instance_git_root \
   -e "BUILD_ID=$BUILD_ID" \
   -i $TTY_FLAG \
-  -v "$git_root:$docker_instance_git_root" \
+  -v "$git_root:/var/local/jenkins/grpc" \
   -v /tmp/ccache:/tmp/ccache \
   -v /tmp/npm-cache:/tmp/npm-cache \
   -v /tmp/xdg-cache-home:/tmp/xdg-cache-home \
diff --git a/tools/run_tests/sanity/check_submodules.sh b/tools/run_tests/sanity/check_submodules.sh
index c08b382638..f49230e49a 100755
--- a/tools/run_tests/sanity/check_submodules.sh
+++ b/tools/run_tests/sanity/check_submodules.sh
@@ -44,7 +44,6 @@ cat << EOF | awk '{ print $1 }' | sort > $want_submodules
  9f897b25800d2f54f5c442ef01a60721aeca6d87 third_party/boringssl (version_for_cocoapods_1.0-67-g9f897b2)
  05b155ff59114735ec8cd089f669c4c3d8f59029 third_party/gflags (v2.1.0-45-g05b155f)
  c99458533a9b4c743ed51537e25989ea55944908 third_party/googletest (release-1.7.0)
- 5497a1dfc91a86965383cdd1652e348345400435 third_party/nanopb (nanopb-0.3.3-10-g5497a1d)
  d5fb408ddc281ffcadeb08699e65bb694656d0bd third_party/protobuf (v3.0.0-beta-2)
  50893291621658f355bc5b4d450a8d06a563053d third_party/zlib (v1.2.8)
 EOF
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index 1fc0525e02..809e6ce645 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -7,4 +7,3 @@
 - script: tools/distrib/check_copyright.py
 - script: tools/distrib/clang_format_code.sh
 - script: tools/distrib/check_trailing_newlines.sh
-- script: tools/distrib/check_nanopb_output.sh
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 76fa3d0776..6538ddc37e 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1646,23 +1646,6 @@
   }, 
   {
     "deps": [
-      "grpc", 
-      "grpc++", 
-      "grpc++_test_util", 
-      "grpc_test_util"
-    ], 
-    "headers": [
-      "src/proto/grpc/lb/v0/load_balancer.grpc.pb.h", 
-      "src/proto/grpc/lb/v0/load_balancer.pb.h"
-    ], 
-    "language": "c++", 
-    "name": "grpclb_api_test", 
-    "src": [
-      "test/cpp/grpclb/grpclb_api_test.cc"
-    ]
-  }, 
-  {
-    "deps": [
       "gpr", 
       "gpr_test_util", 
       "grpc", 
@@ -3000,7 +2983,6 @@
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.h", 
       "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
       "src/core/client_config/lb_policies/pick_first.h", 
       "src/core/client_config/lb_policies/round_robin.h", 
       "src/core/client_config/lb_policy.h", 
@@ -3061,7 +3043,6 @@
       "src/core/json/json_common.h", 
       "src/core/json/json_reader.h", 
       "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/security/auth_filters.h", 
       "src/core/security/base64.h", 
       "src/core/security/credentials.h", 
@@ -3114,11 +3095,7 @@
       "src/core/tsi/ssl_transport_security.h", 
       "src/core/tsi/ssl_types.h", 
       "src/core/tsi/transport_security.h", 
-      "src/core/tsi/transport_security_interface.h", 
-      "third_party/nanopb/pb.h", 
-      "third_party/nanopb/pb_common.h", 
-      "third_party/nanopb/pb_decode.h", 
-      "third_party/nanopb/pb_encode.h"
+      "src/core/tsi/transport_security_interface.h"
     ], 
     "language": "c", 
     "name": "grpc", 
@@ -3172,8 +3149,6 @@
       "src/core/client_config/default_initial_connect_string.c", 
       "src/core/client_config/initial_connect_string.c", 
       "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.c", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
       "src/core/client_config/lb_policies/pick_first.c", 
       "src/core/client_config/lb_policies/pick_first.h", 
       "src/core/client_config/lb_policies/round_robin.c", 
@@ -3298,8 +3273,6 @@
       "src/core/json/json_string.c", 
       "src/core/json/json_writer.c", 
       "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.c", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/security/auth_filters.h", 
       "src/core/security/base64.c", 
       "src/core/security/base64.h", 
@@ -3535,7 +3508,6 @@
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.h", 
       "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
       "src/core/client_config/lb_policies/pick_first.h", 
       "src/core/client_config/lb_policies/round_robin.h", 
       "src/core/client_config/lb_policy.h", 
@@ -3596,7 +3568,6 @@
       "src/core/json/json_common.h", 
       "src/core/json/json_reader.h", 
       "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/statistics/census_interface.h", 
       "src/core/statistics/census_rpc_stats.h", 
       "src/core/surface/api_trace.h", 
@@ -3635,11 +3606,7 @@
       "src/core/transport/metadata_batch.h", 
       "src/core/transport/static_metadata.h", 
       "src/core/transport/transport.h", 
-      "src/core/transport/transport_impl.h", 
-      "third_party/nanopb/pb.h", 
-      "third_party/nanopb/pb_common.h", 
-      "third_party/nanopb/pb_decode.h", 
-      "third_party/nanopb/pb_encode.h"
+      "src/core/transport/transport_impl.h"
     ], 
     "language": "c", 
     "name": "grpc_unsecure", 
@@ -3692,8 +3659,6 @@
       "src/core/client_config/default_initial_connect_string.c", 
       "src/core/client_config/initial_connect_string.c", 
       "src/core/client_config/initial_connect_string.h", 
-      "src/core/client_config/lb_policies/load_balancer_api.c", 
-      "src/core/client_config/lb_policies/load_balancer_api.h", 
       "src/core/client_config/lb_policies/pick_first.c", 
       "src/core/client_config/lb_policies/pick_first.h", 
       "src/core/client_config/lb_policies/round_robin.c", 
@@ -3817,8 +3782,6 @@
       "src/core/json/json_string.c", 
       "src/core/json/json_writer.c", 
       "src/core/json/json_writer.h", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.c", 
-      "src/core/proto/grpc/lb/v0/load_balancer.pb.h", 
       "src/core/statistics/census_interface.h", 
       "src/core/statistics/census_rpc_stats.h", 
       "src/core/surface/alarm.c", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3b9bce1ec3..2c73c40d1f 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -2031,26 +2031,6 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c++", 
-    "name": "grpclb_api_test", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ]
-  }, 
-  {
-    "args": [], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c++", 
     "name": "hybrid_end2end_test", 
     "platforms": [
       "linux", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 4e1155f84b..76975322be 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -310,7 +310,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\connector.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policy.h" />
@@ -371,7 +370,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_common.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\surface\api_trace.h" />
@@ -413,10 +411,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\aggregation.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\core\httpcli\httpcli_security_connector.c">
@@ -491,8 +485,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.c">
@@ -619,8 +611,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
@@ -729,12 +719,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index e0cfd8295b..4660572f97 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -109,9 +109,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
-      <Filter>src\core\client_config\lb_policies</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClCompile>
@@ -301,9 +298,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
       <Filter>src\core\json</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
-      <Filter>src\core\proto\grpc\lb\v0</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -466,15 +460,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
@@ -602,9 +587,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h">
-      <Filter>src\core\client_config\lb_policies</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClInclude>
@@ -785,9 +767,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h">
       <Filter>src\core\json</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h">
-      <Filter>src\core\proto\grpc\lb\v0</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h">
       <Filter>src\core\statistics</Filter>
     </ClInclude>
@@ -911,18 +890,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h">
       <Filter>src\core\census</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
-      <Filter>third_party\nanopb</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h">
-      <Filter>third_party\nanopb</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h">
-      <Filter>third_party\nanopb</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h">
-      <Filter>third_party\nanopb</Filter>
-    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
@@ -974,18 +941,6 @@
     <Filter Include="src\core\json">
       <UniqueIdentifier>{e665cc0e-b994-d7c5-cc18-2007392019f0}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\proto">
-      <UniqueIdentifier>{1ff04466-0905-8a5d-d6f4-7ff2df4c13b5}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="src\core\proto\grpc">
-      <UniqueIdentifier>{7c7ad0b3-bf85-5bd3-e0c8-4f5468a8e2e6}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="src\core\proto\grpc\lb">
-      <UniqueIdentifier>{3d533dad-8100-e8a3-b7c3-1fc13a4d60da}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="src\core\proto\grpc\lb\v0">
-      <UniqueIdentifier>{0ffcf868-7617-5fed-b6ce-2162d9d09148}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src\core\security">
       <UniqueIdentifier>{1d850ac6-e639-4eab-5338-4ba40272fcc9}</UniqueIdentifier>
     </Filter>
@@ -1004,12 +959,6 @@
     <Filter Include="src\core\tsi">
       <UniqueIdentifier>{0b0f9ab1-efa4-7f03-e446-6fb9b5227e84}</UniqueIdentifier>
     </Filter>
-    <Filter Include="third_party">
-      <UniqueIdentifier>{aaab30a4-2a15-732e-c141-3fbc0f0f5a7a}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="third_party\nanopb">
-      <UniqueIdentifier>{93d6596d-330c-1d27-6f84-3c840e57869e}</UniqueIdentifier>
-    </Filter>
   </ItemGroup>
 </Project>
 
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 3820d89968..541000af40 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -286,7 +286,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\connector.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policy.h" />
@@ -347,7 +346,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_common.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_reader.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\surface\api_trace.h" />
@@ -389,10 +387,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\aggregation.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\census\rpc_metric_id.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_common.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.h" />
-    <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\init_unsecure.c">
@@ -427,8 +421,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\round_robin.c">
@@ -555,8 +547,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\api_trace.c">
@@ -665,12 +655,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index c4c957d36b..48814f997e 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -49,9 +49,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.c">
-      <Filter>src\core\client_config\lb_policies</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.c">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClCompile>
@@ -241,9 +238,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\json\json_writer.c">
       <Filter>src\core\json</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\proto\grpc\lb\v0\load_balancer.pb.c">
-      <Filter>src\core\proto\grpc\lb\v0</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\surface\alarm.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -406,15 +400,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\census\tracing.c">
       <Filter>src\core\census</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_decode.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
-      <Filter>third_party\nanopb</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
@@ -497,9 +482,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\initial_connect_string.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\load_balancer_api.h">
-      <Filter>src\core\client_config\lb_policies</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\client_config\lb_policies\pick_first.h">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClInclude>
@@ -680,9 +662,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\json\json_writer.h">
       <Filter>src\core\json</Filter>
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author	Craig Tiller <ctiller@google.com>	2016-02-11 15:45:03 -0800
committer	Craig Tiller <ctiller@google.com>	2016-02-11 15:45:03 -0800
commit	c35e2c582fcb075b973856b3c09c1e91de4b7eae (patch)
tree	d9984547d4e1258037876d621f8deb6c5c43ec65
parent	c3602dc1cf79959237aa90350c5942097f37c90c (diff)