diff --git a/clutter/clutter-main.c b/clutter/clutter-main.c
index 1e1efb340..ee8062c2a 100644
--- a/clutter/clutter-main.c
+++ b/clutter/clutter-main.c
@@ -916,18 +916,6 @@ clutter_main (void)
     CLUTTER_TIMER_STOP (uprof_get_mainloop_context (), mainloop_timer);
 }
 
-static void
-clutter_threads_impl_lock (void)
-{
-  g_mutex_lock (&clutter_threads_mutex);
-}
-
-static void
-clutter_threads_impl_unlock (void)
-{
-  g_mutex_unlock (&clutter_threads_mutex);
-}
-
 /**
  * clutter_threads_init:
  *