--- zzzz-none-000/linux-2.6.32.61/net/8021q/vlan.h	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/net/8021q/vlan.h	2014-11-03 14:43:18.000000000 +0000
@@ -115,11 +115,6 @@
 
 extern struct rtnl_link_ops vlan_link_ops;
 
-static inline int is_vlan_dev(struct net_device *dev)
-{
-	return dev->priv_flags & IFF_802_1Q_VLAN;
-}
-
 extern int vlan_net_id;
 
 struct proc_dir_entry;