diff --git a/sys/netinet/sctp_os_bsd.h b/sys/netinet/sctp_os_bsd.h
index bae67f0edc6b..0d99f5472e4b 100644
--- a/sys/netinet/sctp_os_bsd.h
+++ b/sys/netinet/sctp_os_bsd.h
@@ -95,7 +95,6 @@ __FBSDID("$FreeBSD$");
 #include <netinet/ip6.h>
 #include <netinet6/ip6_var.h>
 #include <netinet6/in6_pcb.h>
-#include <netinet/icmp6.h>
 #include <netinet6/ip6protosw.h>
 #include <netinet6/nd6.h>
 #include <netinet6/scope6_var.h>
diff --git a/sys/netinet6/sctp6_usrreq.c b/sys/netinet6/sctp6_usrreq.c
index 009c47fd23cf..4f0d83d26e65 100644
--- a/sys/netinet6/sctp6_usrreq.c
+++ b/sys/netinet6/sctp6_usrreq.c
@@ -39,9 +39,7 @@ __FBSDID("$FreeBSD$");
 #include <netinet/sctp_pcb.h>
 #include <netinet/sctp_header.h>
 #include <netinet/sctp_var.h>
-#ifdef INET6
 #include <netinet6/sctp6_var.h>
-#endif
 #include <netinet/sctp_sysctl.h>
 #include <netinet/sctp_output.h>
 #include <netinet/sctp_uio.h>
@@ -54,13 +52,12 @@ __FBSDID("$FreeBSD$");
 #include <netinet/sctp_output.h>
 #include <netinet/sctp_bsd_addr.h>
 #include <netinet/sctp_crc32.h>
+#include <netinet/icmp6.h>
 #include <netinet/udp.h>
 
 #ifdef IPSEC
 #include <netipsec/ipsec.h>
-#ifdef INET6
 #include <netipsec/ipsec6.h>
-#endif				/* INET6 */
 #endif				/* IPSEC */
 
 extern struct protosw inetsw[];