diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h
--- a/sys/netinet/in_pcb.h
+++ b/sys/netinet/in_pcb.h
@@ -479,12 +479,8 @@
 
 void	inp_apply_all(struct inpcbinfo *, void (*func)(struct inpcb *, void *),
 	    void *arg);
-int 	inp_ip_tos_get(const struct inpcb *inp);
-void 	inp_ip_tos_set(struct inpcb *inp, int val);
 struct socket *
 	inp_inpcbtosocket(struct inpcb *inp);
-struct tcpcb *
-	inp_inpcbtotcpcb(struct inpcb *inp);
 void 	inp_4tuple_get(struct inpcb *inp, uint32_t *laddr, uint16_t *lp,
 		uint32_t *faddr, uint16_t *fp);
 
diff --git a/sys/netinet/in_pcb.c b/sys/netinet/in_pcb.c
--- a/sys/netinet/in_pcb.c
+++ b/sys/netinet/in_pcb.c
@@ -2835,28 +2835,6 @@
 	return (inp->inp_socket);
 }
 
-struct tcpcb *
-inp_inpcbtotcpcb(struct inpcb *inp)
-{
-
-	INP_WLOCK_ASSERT(inp);
-	return ((struct tcpcb *)inp->inp_ppcb);
-}
-
-int
-inp_ip_tos_get(const struct inpcb *inp)
-{
-
-	return (inp->inp_ip_tos);
-}
-
-void
-inp_ip_tos_set(struct inpcb *inp, int val)
-{
-
-	inp->inp_ip_tos = val;
-}
-
 void
 inp_4tuple_get(struct inpcb *inp, uint32_t *laddr, uint16_t *lp,
     uint32_t *faddr, uint16_t *fp)
diff --git a/sys/netinet/toecore.h b/sys/netinet/toecore.h
--- a/sys/netinet/toecore.h
+++ b/sys/netinet/toecore.h
@@ -36,6 +36,7 @@
 #include <netinet/tcp.h>
 #include <sys/_eventhandler.h>
 
+struct tcpcb;
 struct tcpopt;
 struct tcphdr;
 struct in_conninfo;