1 files changed, 5 insertions, 3 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/ProtocolBuffers2Support.java b/src/main/java/com/google/devtools/build/lib/rules/objc/ProtocolBuffers2Support.java
index d3f8bbf085..8139368952 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/ProtocolBuffers2Support.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/ProtocolBuffers2Support.java
@@ -14,7 +14,6 @@
 
 package com.google.devtools.build.lib.rules.objc;
 
-import com.google.common.base.Optional;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
@@ -87,7 +86,11 @@ final class ProtocolBuffers2Support {
   public ProtocolBuffers2Support registerCompilationActions()
       throws RuleErrorException, InterruptedException {
     CompilationSupport compilationSupport =
-        new CompilationSupport.Builder().setRuleContext(ruleContext).doNotUseDeps().build();
+        new CompilationSupport.Builder()
+            .setRuleContext(ruleContext)
+            .doNotUseDeps()
+            .doNotUsePch()
+            .build();
 
     compilationSupport.registerCompileAndArchiveActions(getCommon());
     return this;
@@ -132,7 +135,6 @@ final class ProtocolBuffers2Support {
     Iterable<Artifact> generatedSources = getGeneratedProtoOutputs(getSourceExtension());
     return new CompilationArtifacts.Builder()
         .setIntermediateArtifacts(new IntermediateArtifacts(ruleContext, ""))
-        .setPchFile(Optional.<Artifact>absent())
         .addAdditionalHdrs(getGeneratedProtoOutputs(getHeaderExtension()))
         .addAdditionalHdrs(generatedSources)
         .addNonArcSrcs(generatedSources)