diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 0b313c4..3f30cd3 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -105,7 +105,7 @@
 public:
   CodeGenModule(ASTContext &C, const LangOptions &Features, llvm::Module &M, 
                 const llvm::TargetData &TD, Diagnostic &Diags,
-                bool GenerateDebugInfo, bool UseMacObjCRuntime);
+                bool GenerateDebugInfo);
 
   ~CodeGenModule();