diff --git a/include/net/tcp.h b/include/net/tcp.h
index 6ebf54992ffeebc8dd83226ed764d0a2716ce9c1..6d77c08d83b76a8bf4347bbb05dc6e808b5857d0 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -323,7 +323,6 @@ int tcp_v4_early_demux(struct sk_buff *skb);
 int tcp_v4_rcv(struct sk_buff *skb);
 
 void tcp_remove_empty_skb(struct sock *sk);
-int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
 int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
 int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size);
 int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *copied,
@@ -622,7 +621,6 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb,
 void tcp_rearm_rto(struct sock *sk);
 void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req);
 void tcp_reset(struct sock *sk, struct sk_buff *skb);
-void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb);
 void tcp_fin(struct sock *sk);
 void tcp_check_space(struct sock *sk);
 void tcp_sack_compress_send_ack(struct sock *sk);
@@ -2360,7 +2358,6 @@ struct sk_msg;
 struct sk_psock;
 
 #ifdef CONFIG_BPF_SYSCALL
-struct proto *tcp_bpf_get_proto(struct sock *sk, struct sk_psock *psock);
 int tcp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore);
 void tcp_bpf_clone(const struct sock *sk, struct sock *newsk);
 #endif /* CONFIG_BPF_SYSCALL */