diff --git a/dlls/hal/hal.c b/dlls/hal/hal.c
index 11a559180e2..f06264bea41 100644
--- a/dlls/hal/hal.c
+++ b/dlls/hal/hal.c
@@ -35,25 +35,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
 
-#ifdef __i386__
-#define DEFINE_FASTCALL1_WRAPPER(func) \
-    __ASM_STDCALL_FUNC( __fastcall_ ## func, 4, \
-                       "popl %eax\n\t" \
-                       "pushl %ecx\n\t" \
-                       "pushl %eax\n\t" \
-                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(4) )
-#define DEFINE_FASTCALL_WRAPPER(func,args) \
-    __ASM_STDCALL_FUNC( __fastcall_ ## func, args, \
-                       "popl %eax\n\t" \
-                       "pushl %edx\n\t" \
-                       "pushl %ecx\n\t" \
-                       "pushl %eax\n\t" \
-                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
-#else
-#define DEFINE_FASTCALL1_WRAPPER(func) /* nothing */
-#define DEFINE_FASTCALL_WRAPPER(func,args) /* nothing */
-#endif
-
 #ifdef __i386__
 
 extern void * WINAPI call_fastcall_func1( void *func, const void *a );
diff --git a/dlls/ntdll/rtl.c b/dlls/ntdll/rtl.c
index 2e459b2d3ca..362fb7550f8 100644
--- a/dlls/ntdll/rtl.c
+++ b/dlls/ntdll/rtl.c
@@ -50,18 +50,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
 
-#ifdef __i386__
-#define DEFINE_FASTCALL_WRAPPER(func,args) \
-    __ASM_STDCALL_FUNC( __fastcall_ ## func, args, \
-                       "popl %eax\n\t" \
-                       "pushl %edx\n\t" \
-                       "pushl %ecx\n\t" \
-                       "pushl %eax\n\t" \
-                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
-#else
-#define DEFINE_FASTCALL_WRAPPER(func,args) /* nothing */
-#endif
-
 /* CRC polynomial 0xedb88320 */
 static const DWORD CRC_table[256] =
 {
diff --git a/dlls/ntoskrnl.exe/ntoskrnl_private.h b/dlls/ntoskrnl.exe/ntoskrnl_private.h
index 65e27293972..864a06001b3 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl_private.h
+++ b/dlls/ntoskrnl.exe/ntoskrnl_private.h
@@ -60,24 +60,4 @@ extern POBJECT_TYPE PsProcessType;
 extern POBJECT_TYPE PsThreadType;
 extern POBJECT_TYPE SeTokenObjectType;
 
-
-#ifdef __i386__
-#define DEFINE_FASTCALL1_WRAPPER(func) \
-    __ASM_STDCALL_FUNC( __fastcall_ ## func, 4, \
-                       "popl %eax\n\t" \
-                       "pushl %ecx\n\t" \
-                       "pushl %eax\n\t" \
-                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(4) )
-#define DEFINE_FASTCALL_WRAPPER(func,args) \
-    __ASM_STDCALL_FUNC( __fastcall_ ## func, args, \
-                       "popl %eax\n\t" \
-                       "pushl %edx\n\t" \
-                       "pushl %ecx\n\t" \
-                       "pushl %eax\n\t" \
-                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
-#else
-#define DEFINE_FASTCALL1_WRAPPER(func) /* nothing */
-#define DEFINE_FASTCALL_WRAPPER(func,args) /* nothing */
-#endif
-
 #endif
diff --git a/include/wine/asm.h b/include/wine/asm.h
index bf97bc03f46..f1c50fd6ad6 100644
--- a/include/wine/asm.h
+++ b/include/wine/asm.h
@@ -63,4 +63,29 @@
 
 #define __ASM_STDCALL_FUNC(name,args,code) __ASM_DEFINE_FUNC(__ASM_NAME(#name) __ASM_STDCALL(args),code)
 
+/* fastcall support */
+
+#ifdef __i386__
+
+# define DEFINE_FASTCALL1_WRAPPER(func) \
+    __ASM_STDCALL_FUNC( __fastcall_ ## func, 4, \
+                        "popl %eax\n\t"  \
+                        "pushl %ecx\n\t" \
+                        "pushl %eax\n\t" \
+                        "jmp " __ASM_NAME(#func) __ASM_STDCALL(4) )
+# define DEFINE_FASTCALL_WRAPPER(func,args) \
+    __ASM_STDCALL_FUNC( __fastcall_ ## func, args, \
+                        "popl %eax\n\t"  \
+                        "pushl %edx\n\t" \
+                        "pushl %ecx\n\t" \
+                        "pushl %eax\n\t" \
+                        "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
+
+#else  /* __i386__ */
+
+# define DEFINE_FASTCALL1_WRAPPER(func) /* nothing */
+# define DEFINE_FASTCALL_WRAPPER(func,args) /* nothing */
+
+#endif  /* __i386__ */
+
 #endif  /* __WINE_WINE_ASM_H */