diff --git a/glslang/MachineIndependent/ShaderLang.cpp b/glslang/MachineIndependent/ShaderLang.cpp
index 3d93aa29..d6441ef0 100755
--- a/glslang/MachineIndependent/ShaderLang.cpp
+++ b/glslang/MachineIndependent/ShaderLang.cpp
@@ -1335,7 +1335,7 @@ void ShDestruct(ShHandle handle)
 //
 // Cleanup symbol tables
 //
-int __fastcall ShFinalize()
+int ShFinalize()
 {
     glslang::GetGlobalLock();
     --NumberOfClients;
diff --git a/glslang/Public/ShaderLang.h b/glslang/Public/ShaderLang.h
index d73021c4..26bf8bf0 100755
--- a/glslang/Public/ShaderLang.h
+++ b/glslang/Public/ShaderLang.h
@@ -53,9 +53,6 @@
 #define SH_IMPORT_EXPORT
 #else
 #define SH_IMPORT_EXPORT
-#ifndef __fastcall
-#define __fastcall
-#endif
 #define C_DECL
 #endif
 
@@ -83,7 +80,7 @@ SH_IMPORT_EXPORT int ShInitialize();
 //
 // Call this at process shutdown to clean up memory.
 //
-SH_IMPORT_EXPORT int __fastcall ShFinalize();
+SH_IMPORT_EXPORT int ShFinalize();
 
 //
 // Types of languages the compiler can consume.