1 files changed, 0 insertions, 1 deletions
diff --git a/config.m4 b/config.m4
index a6ce55e0a9..af3624cdd1 100644
--- a/config.m4
+++ b/config.m4
@@ -249,7 +249,6 @@ if test "$PHP_GRPC" != "no"; then
     src/core/ext/transport/chttp2/transport/frame_settings.cc \
     src/core/ext/transport/chttp2/transport/frame_window_update.cc \
     src/core/ext/transport/chttp2/transport/hpack_encoder.cc \
-    src/core/ext/transport/chttp2/transport/hpack_mapping.cc \
     src/core/ext/transport/chttp2/transport/hpack_parser.cc \
     src/core/ext/transport/chttp2/transport/hpack_table.cc \
     src/core/ext/transport/chttp2/transport/http2_settings.cc \