diff --git a/kernel/async.c b/kernel/async.c
index 80b74b88fefe43076d2fbb0fc1d2d8c3d5b989fd..bd0c168a3bbe5134e1bd4c009947c2011e551340 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -78,8 +78,6 @@ static DECLARE_WAIT_QUEUE_HEAD(async_done);
 
 static atomic_t entry_count;
 
-extern int initcall_debug;
-
 
 /*
  * MUST be called with the lock held!