diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c
index d17436c..3aaa06c 100644
--- a/kernel/mutex-debug.c
+++ b/kernel/mutex-debug.c
@@ -107,7 +107,7 @@
  * use of the mutex is forbidden. The mutex must not be locked when
  * this function is called.
  */
-void fastcall mutex_destroy(struct mutex *lock)
+void mutex_destroy(struct mutex *lock)
 {
 	DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock));
 	lock->magic = NULL;