diff --git a/MdePkg/Include/Ipf/ProcessorBind.h b/MdePkg/Include/Ipf/ProcessorBind.h
index 0d8b9e9cca..a7fc3a9d8e 100644
--- a/MdePkg/Include/Ipf/ProcessorBind.h
+++ b/MdePkg/Include/Ipf/ProcessorBind.h
@@ -201,7 +201,11 @@ typedef INT64   INTN;
 //  if the /OPT:REF linker option is used. We defined a macro as this is a 
 //  a non standard extension
 //
-#define GLOBAL_REMOVE_IF_UNREFERENCED
+#if _MSC_EXTENSIONS
+  #define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
+#else
+  #define GLOBAL_REMOVE_IF_UNREFERENCED
+#endif
 
 //
 // A pointer to a function in IPF points to a plabel.