diff --git a/MdePkg/Include/Ia32/ProcessorBind.h b/MdePkg/Include/Ia32/ProcessorBind.h
index 61273e624c..2dccac4eb0 100644
--- a/MdePkg/Include/Ia32/ProcessorBind.h
+++ b/MdePkg/Include/Ia32/ProcessorBind.h
@@ -27,6 +27,23 @@
 #pragma pack()
 #endif
 
+#if __INTEL_COMPILER
+//
+// Disable ICC's remark #1418: external function definition with no prior declaration.
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
+//
+#pragma warning ( disable : 1418 )
+
+
+//
+// Disable ICC's remark #1419: external declaration in primary source file
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
+//
+#pragma warning ( disable : 1419 )
+
+#endif
+
+
 #if _MSC_EXTENSIONS
 
 //
diff --git a/MdePkg/Include/Ipf/ProcessorBind.h b/MdePkg/Include/Ipf/ProcessorBind.h
index a383868fc6..fdc0a4dd3b 100644
--- a/MdePkg/Include/Ipf/ProcessorBind.h
+++ b/MdePkg/Include/Ipf/ProcessorBind.h
@@ -28,28 +28,29 @@
 #pragma pack()
 
 
-#if _MSC_EXTENSIONS
-
-//
-// Disable warning that make it impossible to compile at /W4
-// This only works for Microsoft tools. Copied from the
-// IA-32 version of efibind.h
-//
-
 #if __INTEL_COMPILER
 //
-// Disable ICC's error #1418: external function definition with no prior declaration
+// Disable ICC's remark #1418: external function definition with no prior declaration.
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
 //
 #pragma warning ( disable : 1418 )
 
 
 //
-// Disable ICC's error #1419: external declaration in primary source file
+// Disable ICC's remark #1419: external declaration in primary source file
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
 //
 #pragma warning ( disable : 1419 )
 
 #endif
 
+
+#if _MSC_EXTENSIONS
+//
+// Disable warning that make it impossible to compile at /W4
+// This only works for Microsoft tools. 
+//
+
 //
 // Disabling bitfield type checking warnings.
 //
diff --git a/MdePkg/Include/x64/ProcessorBind.h b/MdePkg/Include/x64/ProcessorBind.h
index d0c02c3474..a4a1a35e35 100644
--- a/MdePkg/Include/x64/ProcessorBind.h
+++ b/MdePkg/Include/x64/ProcessorBind.h
@@ -28,6 +28,24 @@
 #pragma pack()
 #endif
 
+
+#if __INTEL_COMPILER
+//
+// Disable ICC's remark #1418: external function definition with no prior declaration.
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
+//
+#pragma warning ( disable : 1418 )
+
+
+//
+// Disable ICC's remark #1419: external declaration in primary source file
+// This is legal ANSI C code so we disable the remark that is turned on with /W4
+//
+#pragma warning ( disable : 1419 )
+
+#endif
+
+
 #if _MSC_EXTENSIONS 
     
 //