diff --git a/include/net/tcp.h b/include/net/tcp.h
index 9cd62bc090553f529f0ff4f435d20ef5713deff5..56fc366da6d5183b536648e949769a118ba33677 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -468,7 +468,6 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 				struct tcp_fastopen_cookie *foc);
 int tcp_disconnect(struct sock *sk, int flags);
 
-void tcp_connect_init(struct sock *sk);
 void tcp_finish_connect(struct sock *sk, struct sk_buff *skb);
 int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size);
 void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb);
@@ -623,8 +622,6 @@ static inline u32 __tcp_set_rto(const struct tcp_sock *tp)
 	return (tp->srtt >> 3) + tp->rttvar;
 }
 
-void tcp_set_rto(struct sock *sk);
-
 static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd)
 {
 	tp->pred_flags = htonl((tp->tcp_header_len << 26) |
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index f75cf15b2c8722ceee1b3360ca641afbfdfef4f7..65cf90e063d5adcc98f15b044e35b20e1668352a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -766,7 +766,7 @@ static void tcp_update_pacing_rate(struct sock *sk)
 /* Calculate rto without backoff.  This is the second half of Van Jacobson's
  * routine referred to above.
  */
-void tcp_set_rto(struct sock *sk)
+static void tcp_set_rto(struct sock *sk)
 {
 	const struct tcp_sock *tp = tcp_sk(sk);
 	/* Old crap is replaced with new one. 8)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 9e7aec7ee67e9d760e7875cab3f8ab6326580cff..03d26b85eab8520c552040f527d37323be91bd68 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2777,7 +2777,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 EXPORT_SYMBOL(tcp_make_synack);
 
 /* Do all connect socket setups that can be done AF independent. */
-void tcp_connect_init(struct sock *sk)
+static void tcp_connect_init(struct sock *sk)
 {
 	const struct dst_entry *dst = __sk_dst_get(sk);
 	struct tcp_sock *tp = tcp_sk(sk);