diff --git a/Source/Core/Common/Src/x64Emitter.h b/Source/Core/Common/Src/x64Emitter.h
index 316101380e..5480fa1c8b 100644
--- a/Source/Core/Common/Src/x64Emitter.h
+++ b/Source/Core/Common/Src/x64Emitter.h
@@ -616,7 +616,7 @@ public:
 	void CallCdeclFunction5(void* fnptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4);
 	void CallCdeclFunction6(void* fnptr, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 arg5);
 
-#if defined(_M_IX86) || !defined(_WIN32)
+#if defined(_M_IX86) 
 
 	#define CallCdeclFunction3_I(a,b,c,d) CallCdeclFunction3((void *)(a), (b), (c), (d))
 	#define CallCdeclFunction4_I(a,b,c,d,e) CallCdeclFunction4((void *)(a), (b), (c), (d), (e))