diff --git a/sys/netinet/in_pcb.c b/sys/netinet/in_pcb.c
index 67d609cbb08..f611e73aa47 100644
--- a/sys/netinet/in_pcb.c
+++ b/sys/netinet/in_pcb.c
@@ -899,10 +899,17 @@ in_pcbfree(struct inpcb *inp)
 	INP_WLOCK_ASSERT(inp);
 
 #ifdef IPSEC
-	ipsec_delete_pcbpolicy(inp);
+	if (inp->inp_sp != NULL)
+		ipsec_delete_pcbpolicy(inp);
 #endif /* IPSEC */
 	inp->inp_gencnt = ++ipi->ipi_gencnt;
 	in_pcbremlists(inp);
+#ifdef INET6
+	if (inp->inp_vflag & INP_IPV6PROTO) {
+		ip6_freepcbopts(inp->in6p_outputopts);
+		ip6_freemoptions(inp->in6p_moptions);
+	}
+#endif
 	if (inp->inp_options)
 		(void)m_free(inp->inp_options);
 	if (inp->inp_moptions != NULL)
diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c
index d3a582c4921..7b06de4b77b 100644
--- a/sys/netinet/tcp_timewait.c
+++ b/sys/netinet/tcp_timewait.c
@@ -514,14 +514,8 @@ tcp_twclose(struct tcptw *tw, int reuse)
 			 */
 			INP_WUNLOCK(inp);
 		}
-	} else {
-#ifdef INET6
-		if (inp->inp_vflag & INP_IPV6PROTO)
-			in6_pcbfree(inp);
-		else
-#endif
-			in_pcbfree(inp);
-	}
+	} else
+		in_pcbfree(inp);
 	V_tcpstat.tcps_closed++;
 	crfree(tw->tw_cred);
 	tw->tw_cred = NULL;
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c
index 3127c863c82..9661a977b9a 100644
--- a/sys/netinet/tcp_usrreq.c
+++ b/sys/netinet/tcp_usrreq.c
@@ -156,9 +156,6 @@ static void
 tcp_detach(struct socket *so, struct inpcb *inp)
 {
 	struct tcpcb *tp;
-#ifdef INET6
-	int isipv6 = INP_CHECK_SOCKAF(so, AF_INET6) != 0;
-#endif
 #ifdef INVARIANTS
 	INIT_VNET_INET(so->so_vnet);
 #endif
@@ -188,12 +185,7 @@ tcp_detach(struct socket *so, struct inpcb *inp)
 			KASSERT(tp == NULL, ("tcp_detach: INP_TIMEWAIT && "
 			    "INP_DROPPED && tp != NULL"));
 			in_pcbdetach(inp);
-#ifdef INET6
-			if (isipv6)
-				in6_pcbfree(inp);
-			else
-#endif
-				in_pcbfree(inp);
+			in_pcbfree(inp);
 		} else {
 			in_pcbdetach(inp);
 			INP_WUNLOCK(inp);
@@ -212,15 +204,9 @@ tcp_detach(struct socket *so, struct inpcb *inp)
 		    tp->t_state < TCPS_SYN_SENT) {
 			tcp_discardcb(tp);
 			in_pcbdetach(inp);
-#ifdef INET6
-			if (isipv6)
-				in6_pcbfree(inp);
-			else
-#endif
-				in_pcbfree(inp);
-		} else {
-				in_pcbdetach(inp);
-		}
+			in_pcbfree(inp);
+		} else
+			in_pcbdetach(inp);
 	}
 }
 
@@ -1479,12 +1465,7 @@ tcp_attach(struct socket *so)
 	tp = tcp_newtcpcb(inp);
 	if (tp == NULL) {
 		in_pcbdetach(inp);
-#ifdef INET6
-		if (isipv6)
-			in6_pcbfree(inp);
-		else
-#endif
-			in_pcbfree(inp);
+		in_pcbfree(inp);
 		INP_INFO_WUNLOCK(&V_tcbinfo);
 		return (ENOBUFS);
 	}
diff --git a/sys/netinet6/in6_pcb.c b/sys/netinet6/in6_pcb.c
index 75bc3453c7d..c8548911f56 100644
--- a/sys/netinet6/in6_pcb.c
+++ b/sys/netinet6/in6_pcb.c
@@ -103,12 +103,6 @@ __FBSDID("$FreeBSD$");
 #include <netinet6/in6_pcb.h>
 #include <netinet6/scope6_var.h>
 
-#ifdef IPSEC
-#include <netipsec/ipsec.h>
-#include <netipsec/ipsec6.h>
-#include <netipsec/key.h>
-#endif /* IPSEC */
-
 #include <security/mac/mac_framework.h>
 
 struct	in6_addr zeroin6_addr;
@@ -410,39 +404,6 @@ in6_pcbdisconnect(struct inpcb *inp)
 	in_pcbrehash(inp);
 }
 
-void
-in6_pcbfree(struct inpcb *inp)
-{
-	struct inpcbinfo *ipi = inp->inp_pcbinfo;
-
-	KASSERT(inp->inp_socket == NULL, ("%s: inp_socket != NULL", __func__));
-
-	INP_INFO_WLOCK_ASSERT(ipi);
-	INP_WLOCK_ASSERT(inp);
-
-#ifdef IPSEC
-	if (inp->in6p_sp != NULL)
-		ipsec_delete_pcbpolicy(inp);
-#endif /* IPSEC */
-	inp->inp_gencnt = ++ipi->ipi_gencnt;
-	in_pcbremlists(inp);
-	ip6_freepcbopts(inp->in6p_outputopts);
-	ip6_freemoptions(inp->in6p_moptions);
-	/* Check and free IPv4 related resources in case of mapped addr */
-	if (inp->inp_options)
-		(void)m_free(inp->inp_options);
-	if (inp->inp_moptions != NULL)
-		inp_freemoptions(inp->inp_moptions);
-	inp->inp_vflag = 0;
-	crfree(inp->inp_cred);
-
-#ifdef MAC
-	mac_inpcb_destroy(inp);
-#endif
-	INP_WUNLOCK(inp);
-	uma_zfree(ipi->ipi_zone, inp);
-}
-
 struct sockaddr *
 in6_sockaddr(in_port_t port, struct in6_addr *addr_p)
 {
diff --git a/sys/netinet6/in6_pcb.h b/sys/netinet6/in6_pcb.h
index c76f9f1bad2..b2cc724a11c 100644
--- a/sys/netinet6/in6_pcb.h
+++ b/sys/netinet6/in6_pcb.h
@@ -74,7 +74,6 @@ void	in6_losing __P((struct inpcb *));
 int	in6_pcbbind __P((struct inpcb *, struct sockaddr *, struct ucred *));
 int	in6_pcbconnect __P((struct inpcb *, struct sockaddr *, struct ucred *));
 void	in6_pcbdisconnect __P((struct inpcb *));
-void	in6_pcbfree __P((struct inpcb *));
 int	in6_pcbladdr __P((struct inpcb *, struct sockaddr *,
 			  struct in6_addr **));
 struct	inpcb *
diff --git a/sys/netinet6/raw_ip6.c b/sys/netinet6/raw_ip6.c
index bbdb27baaa7..940bd1e3b9e 100644
--- a/sys/netinet6/raw_ip6.c
+++ b/sys/netinet6/raw_ip6.c
@@ -605,7 +605,7 @@ rip6_detach(struct socket *so)
 	INP_WLOCK(inp);
 	free(inp->in6p_icmp6filt, M_PCB);
 	in_pcbdetach(inp);
-	in6_pcbfree(inp);
+	in_pcbfree(inp);
 	INP_INFO_WUNLOCK(&V_ripcbinfo);
 }
 
diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c
index f51156c8dde..19a5199b424 100644
--- a/sys/netinet6/udp6_usrreq.c
+++ b/sys/netinet6/udp6_usrreq.c
@@ -901,7 +901,7 @@ udp6_detach(struct socket *so)
 	INP_INFO_WLOCK(&V_udbinfo);
 	INP_WLOCK(inp);
 	in_pcbdetach(inp);
-	in6_pcbfree(inp);
+	in_pcbfree(inp);
 	INP_INFO_WUNLOCK(&V_udbinfo);
 }