diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 75373f35383fb914684aae1c5b9f7c204b7a5f2f..061fd7a961b809d887a413df42e184841c7e32e8 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -178,7 +178,6 @@ void inet_twdr_hangman(unsigned long data)
 	need_timer = 0;
 	if (inet_twdr_do_twkill_work(twdr, twdr->slot)) {
 		twdr->thread_slots |= (1 << twdr->slot);
-		smp_mb();
 		schedule_work(&twdr->twkill_work);
 		need_timer = 1;
 	} else {