diff --git a/include/net/arp.h b/include/net/arp.h
index 4617d9841132..7f7df93f37cd 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -21,9 +21,6 @@ static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev
 	struct neighbour *n;
 	u32 hash_val;
 
-	if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
-		key = 0;
-
 	hash_val = arp_hashfn(key, dev, nht->hash_rnd[0]) >> (32 - nht->hash_shift);
 	for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
 	     n != NULL;