Index: sys/kern/uipc_domain.c
===================================================================
--- sys/kern/uipc_domain.c
+++ sys/kern/uipc_domain.c
@@ -90,31 +90,6 @@
 static struct mtx dom_mtx;		/* domain list lock */
 MTX_SYSINIT(domain, &dom_mtx, "domain list", MTX_DEF);
 
-/*
- * Dummy protocol specific user requests function pointer array.
- * All functions return EOPNOTSUPP.
- */
-struct pr_usrreqs nousrreqs = {
-	.pru_accept =		pru_accept_notsupp,
-	.pru_attach =		pru_attach_notsupp,
-	.pru_bind =		pru_bind_notsupp,
-	.pru_connect =		pru_connect_notsupp,
-	.pru_connect2 =		pru_connect2_notsupp,
-	.pru_control =		pru_control_notsupp,
-	.pru_disconnect	=	pru_disconnect_notsupp,
-	.pru_listen =		pru_listen_notsupp,
-	.pru_peeraddr =		pru_peeraddr_notsupp,
-	.pru_rcvd =		pru_rcvd_notsupp,
-	.pru_rcvoob =		pru_rcvoob_notsupp,
-	.pru_send =		pru_send_notsupp,
-	.pru_sense =		pru_sense_null,
-	.pru_shutdown =		pru_shutdown_notsupp,
-	.pru_sockaddr =		pru_sockaddr_notsupp,
-	.pru_sosend =		pru_sosend_notsupp,
-	.pru_soreceive =	pru_soreceive_notsupp,
-	.pru_sopoll =		pru_sopoll_notsupp,
-};
-
 static void
 pr_usrreqs_init(struct protosw *pr)
 {
@@ -454,7 +429,7 @@
 	dpr->pr_fasttimo = NULL;
 	dpr->pr_slowtimo = NULL;
 	dpr->pr_drain = NULL;
-	dpr->pr_usrreqs = &nousrreqs;
+	dpr->pr_usrreqs = NULL;
 
 	/* Job is done, not more protection required. */
 	mtx_unlock(&dom_mtx);
Index: sys/kern/uipc_socket.c
===================================================================
--- sys/kern/uipc_socket.c
+++ sys/kern/uipc_socket.c
@@ -523,7 +523,7 @@
 			return (EPROTOTYPE);
 		return (EPROTONOSUPPORT);
 	}
-	if (prp->pr_usrreqs->pru_attach == NULL ||
+	if (prp->pr_usrreqs == NULL || prp->pr_usrreqs->pru_attach == NULL ||
 	    prp->pr_usrreqs->pru_attach == pru_attach_notsupp)
 		return (EPROTONOSUPPORT);
 
Index: sys/netinet/in_proto.c
===================================================================
--- sys/netinet/in_proto.c
+++ sys/netinet/in_proto.c
@@ -86,8 +86,6 @@
  * TCP/IP protocol family: IP, ICMP, UDP, TCP.
  */
 
-static struct pr_usrreqs nousrreqs;
-
 #ifdef SCTP
 #include <netinet/in_pcb.h>
 #include <netinet/sctp_pcb.h>
@@ -104,19 +102,9 @@
 {						\
 	.pr_domain =		&inetdomain,	\
 	.pr_protocol =		PROTO_SPACER,	\
-	.pr_usrreqs =		&nousrreqs	\
 }
 
 struct protosw inetsw[] = {
-{
-	.pr_type =		0,
-	.pr_domain =		&inetdomain,
-	.pr_protocol =		IPPROTO_IP,
-	.pr_flags =		PR_CAPATTACH,
-	.pr_slowtimo =		ip_slowtimo,
-	.pr_drain =		ip_drain,
-	.pr_usrreqs =		&nousrreqs
-},
 {
 	.pr_type =		SOCK_DGRAM,
 	.pr_domain =		&inetdomain,
Index: sys/netinet6/in6_proto.c
===================================================================
--- sys/netinet6/in6_proto.c
+++ sys/netinet6/in6_proto.c
@@ -127,7 +127,6 @@
 FEATURE(inet6, "Internet Protocol version 6");
 
 extern	struct domain inet6domain;
-static	struct pr_usrreqs nousrreqs;
 
 #define PR_LISTEN	0
 #define PR_ABRTACPTDIS	0
@@ -137,7 +136,6 @@
 {						\
 	.pr_domain =		&inet6domain,	\
 	.pr_protocol =		PROTO_SPACER,	\
-	.pr_usrreqs =		&nousrreqs	\
 }
 
 struct protosw inet6sw[] = {
@@ -148,7 +146,6 @@
 	.pr_flags =		PR_CAPATTACH,
 	.pr_slowtimo =		frag6_slowtimo,
 	.pr_drain =		frag6_drain,
-	.pr_usrreqs =		&nousrreqs,
 },
 {
 	.pr_type =		SOCK_DGRAM,
@@ -219,27 +216,6 @@
 	.pr_slowtimo =		icmp6_slowtimo,
 	.pr_usrreqs =		&rip6_usrreqs
 },
-{
-	.pr_type =		SOCK_RAW,
-	.pr_domain =		&inet6domain,
-	.pr_protocol =		IPPROTO_DSTOPTS,
-	.pr_flags =		PR_ATOMIC|PR_ADDR,
-	.pr_usrreqs =		&nousrreqs
-},
-{
-	.pr_type =		SOCK_RAW,
-	.pr_domain =		&inet6domain,
-	.pr_protocol =		IPPROTO_ROUTING,
-	.pr_flags =		PR_ATOMIC|PR_ADDR,
-	.pr_usrreqs =		&nousrreqs
-},
-{
-	.pr_type =		SOCK_RAW,
-	.pr_domain =		&inet6domain,
-	.pr_protocol =		IPPROTO_FRAGMENT,
-	.pr_flags =		PR_ATOMIC|PR_ADDR,
-	.pr_usrreqs =		&nousrreqs
-},
 #ifdef INET
 {
 	.pr_type =		SOCK_RAW,