diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 11c2705..abde271 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2555,6 +2555,7 @@
 void skb_scrub_packet(struct sk_buff *skb, bool xnet);
 unsigned int skb_gso_transport_seglen(const struct sk_buff *skb);
 struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features);
+struct sk_buff *skb_vlan_untag(struct sk_buff *skb);
 
 struct skb_checksum_ops {
 	__wsum (*update)(const void *mem, int len, __wsum wsum);