1 files changed, 2 insertions, 8 deletions
diff --git a/tools/libclang/CIndexDiagnostic.cpp b/tools/libclang/CIndexDiagnostic.cpp
index 9ba36a6a0f8a..de223d3043a3 100644
--- a/tools/libclang/CIndexDiagnostic.cpp
+++ b/tools/libclang/CIndexDiagnostic.cpp
@@ -16,13 +16,11 @@
 #include "CXSourceLocation.h"
 #include "CXString.h"
 
+#include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Frontend/ASTUnit.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/DiagnosticRenderer.h"
-#include "clang/Basic/DiagnosticOptions.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace clang;
@@ -207,8 +205,6 @@ CXDiagnosticSetImpl *cxdiag::lazyCreateDiags(CXTranslationUnit TU,
 //-----------------------------------------------------------------------------
 // C Interface Routines
 //-----------------------------------------------------------------------------
-extern "C" {
-
 unsigned clang_getNumDiagnostics(CXTranslationUnit Unit) {
   if (cxtu::isNotUsableTU(Unit)) {
     LOG_BAD_TU(Unit);
@@ -479,5 +475,3 @@ unsigned clang_getNumDiagnosticsInSet(CXDiagnosticSet Diags) {
     return D->getNumDiagnostics();
   return 0;
 }
-
-} // end extern "C"