diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index dd5c4e70abe4950050385248c48617918fd4533c..7e078c5931946ffb17b4220cdaa3e3aefa8fc6d9 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -741,10 +741,8 @@ static void dev_init_scheduler_queue(struct net_device *dev,
 
 void dev_init_scheduler(struct net_device *dev)
 {
-	qdisc_lock_tree(dev);
 	netdev_for_each_tx_queue(dev, dev_init_scheduler_queue, &noop_qdisc);
 	dev_init_scheduler_queue(dev, &dev->rx_queue, NULL);
-	qdisc_unlock_tree(dev);
 
 	setup_timer(&dev->watchdog_timer, dev_watchdog, (unsigned long)dev);
 }