diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
index 9bf0598..7573d52 100644
--- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
@@ -9,8 +9,6 @@
 #ifndef _NF_CONNTRACK_IPV4_H
 #define _NF_CONNTRACK_IPV4_H
 
-/* Returns new sk_buff, or NULL */
-struct sk_buff *nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb);
 
 extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;