diff --git a/Zend/zend_config.w32.h b/Zend/zend_config.w32.h
index 2ba42cdc9d7..ddebdeaed81 100644
--- a/Zend/zend_config.w32.h
+++ b/Zend/zend_config.w32.h
@@ -58,19 +58,14 @@ typedef unsigned int uint;
 
 #define zend_sprintf sprintf
 
+#ifndef __cplusplus
 /* This will cause the compilation process to be MUCH longer, but will generate
  * a much quicker PHP binary
  */
 #ifdef ZEND_WIN32_FORCE_INLINE
-/* _ALLOW_KEYWORD_MACROS is only relevant for C++ */
-# ifndef _ALLOW_KEYWORD_MACROS
-#  define _ALLOW_KEYWORD_MACROS
-# endif
 # undef inline
 # define inline __forceinline
-#elif !defined(ZEND_WIN32_KEEP_INLINE)
-# undef inline
-# define inline
+#endif
 #endif
 
 #ifdef LIBZEND_EXPORTS