1 files changed, 0 insertions, 4 deletions
diff --git a/tools/libclang/CXLoadedDiagnostic.cpp b/tools/libclang/CXLoadedDiagnostic.cpp
index 2c10d34844b7..36c3dcabb924 100644
--- a/tools/libclang/CXLoadedDiagnostic.cpp
+++ b/tools/libclang/CXLoadedDiagnostic.cpp
@@ -18,13 +18,11 @@
 #include "clang/Basic/LLVM.h"
 #include "clang/Frontend/SerializedDiagnosticReader.h"
 #include "clang/Frontend/SerializedDiagnostics.h"
-#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Bitcode/BitstreamReader.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MemoryBuffer.h"
 
 using namespace clang;
 
@@ -389,11 +387,9 @@ std::error_code DiagLoader::visitDiagnosticRecord(
   return std::error_code();
 }
 
-extern "C" {
 CXDiagnosticSet clang_loadDiagnostics(const char *file,
                                       enum CXLoadDiag_Error *error,
                                       CXString *errorString) {
   DiagLoader L(error, errorString);
   return L.load(file);
 }
-} // end extern 'C'.