1 files changed, 0 insertions, 12 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 95d9e510f89..a86fe514261 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -507,19 +507,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
     Builder.defineMacro("__private_extern__", "extern");
   }
 
-  if (LangOpts.MSCVersion != 0)
-    Builder.defineMacro("_MSC_VER", Twine(LangOpts.MSCVersion));
-
   if (LangOpts.MicrosoftExt) {
-    // Define feature support macros that MSVC provides.
-    Builder.defineMacro("_MSC_EXTENSIONS");
-
-    if (LangOpts.CPlusPlus11) {
-      Builder.defineMacro("_RVALUE_REFERENCES_V2_SUPPORTED");
-      Builder.defineMacro("_RVALUE_REFERENCES_SUPPORTED");
-      Builder.defineMacro("_NATIVE_NULLPTR_SUPPORTED");
-    }
-
     if (LangOpts.WChar) {
       // wchar_t supported as a keyword.
       Builder.defineMacro("_WCHAR_T_DEFINED");