diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index db9ad65..b5f40d7 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -333,8 +333,10 @@
 
 static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
+#ifdef CONFIG_NET_SCHED
 	if (sch->stab)
 		qdisc_calculate_pkt_len(skb, sch->stab);
+#endif
 	return sch->enqueue(skb, sch);
 }
 
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 27a51f0..0ddf692 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -469,7 +469,9 @@
 	struct Qdisc *qdisc = container_of(head, struct Qdisc, q_rcu);
 	const struct Qdisc_ops  *ops = qdisc->ops;
 
+#ifdef CONFIG_NET_SCHED
 	qdisc_put_stab(qdisc->stab);
+#endif
 	gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
 	if (ops->reset)
 		ops->reset(qdisc);