diff --git a/clang/Lex/LiteralSupport.cpp b/clang/Lex/LiteralSupport.cpp
index cbd7207a0a17..cd2082a3cb7b 100644
--- a/clang/Lex/LiteralSupport.cpp
+++ b/clang/Lex/LiteralSupport.cpp
@@ -19,12 +19,6 @@
 #include "clang/Basic/TargetInfo.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Config/config.h"
-#if HAVE_STRTOF
-#else
-# define strtof strtod
-#endif
-
 using namespace clang;
 
 /// HexDigitValue - Return the value of the specified hex digit, or -1 if it's
@@ -423,7 +417,7 @@ float NumericLiteralParser::GetFloatValue() {
   char floatChars[256];
   strncpy(floatChars, ThisTokBegin, ThisTokEnd-ThisTokBegin);
   floatChars[ThisTokEnd-ThisTokBegin] = '\0';
-  return strtof(floatChars, 0);
+  return (float)strtod(floatChars, 0);
 }
 
 void NumericLiteralParser::Diag(SourceLocation Loc, unsigned DiagID,