diff --git a/include/linux/mcs_spinlock.h b/kernel/locking/mcs_spinlock.h
similarity index 100%
rename from include/linux/mcs_spinlock.h
rename to kernel/locking/mcs_spinlock.h
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 45fe1b5293d6..4f408be39a07 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -25,7 +25,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/debug_locks.h>
-#include <linux/mcs_spinlock.h>
+#include "mcs_spinlock.h"
 
 /*
  * In the DEBUG case we are using the "NULL fastpath" for mutexes,