diff --git a/include/net/tcp.h b/include/net/tcp.h
index b5a1b9e..6b827cc 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1366,7 +1366,7 @@
 extern struct request_sock_ops tcp_request_sock_ops;
 extern struct request_sock_ops tcp6_request_sock_ops;
 
-extern int tcp_v4_destroy_sock(struct sock *sk);
+extern void tcp_v4_destroy_sock(struct sock *sk);
 
 extern int tcp_v4_gso_send_check(struct sk_buff *skb);
 extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);