diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c2222ee..6b7982d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -227,9 +227,7 @@
 		atomic_dec(&fl->users);
 }
 
-extern int 			ip6_ra_control(struct sock *sk, int sel,
-					       void (*destructor)(struct sock *));
-
+extern int 			ip6_ra_control(struct sock *sk, int sel);
 
 extern int			ipv6_parse_hopopts(struct sk_buff *skb);