diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0304b5fe8d6a..41a8a5f06602 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -967,8 +967,6 @@ static void ndisc_recv_na(struct sk_buff *skb)
 		    ipv6_devconf.forwarding && ipv6_devconf.proxy_ndp &&
 		    pneigh_lookup(&nd_tbl, &msg->target, dev, 0)) {
 			/* XXX: idev->cnf.prixy_ndp */
-			WARN_ON(skb->dst != NULL &&
-				((struct rt6_info *)skb->dst)->rt6i_idev);
 			goto out;
 		}