diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index cb46749..0a437e0 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -72,8 +72,6 @@
 
 static void	tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
 static void	tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req);
-static void	tcp_v6_send_check(struct sock *sk, int len,
-				  struct sk_buff *skb);
 
 static int	tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
 
@@ -1101,9 +1099,6 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
 #ifdef CONFIG_TCP_MD5SIG
 	struct tcp_md5sig_key *key;
 	struct tcp_md5sig_key tw_key;
-#endif
-
-#ifdef CONFIG_TCP_MD5SIG
 	if (!tw && skb->sk) {
 		key = tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr);
 	} else if (tw && tw->tw_md5_keylen) {