diff --git a/include/linux/mutex-debug.h b/include/linux/mutex-debug.h
index 2537285..731d77d 100644
--- a/include/linux/mutex-debug.h
+++ b/include/linux/mutex-debug.h
@@ -18,6 +18,6 @@
 	__mutex_init((mutex), #mutex, &__key);				\
 } while (0)
 
-extern void FASTCALL(mutex_destroy(struct mutex *lock));
+extern void mutex_destroy(struct mutex *lock);
 
 #endif