Index: head/sys/dev/virtio/network/if_vtnet.c
===================================================================
--- head/sys/dev/virtio/network/if_vtnet.c
+++ head/sys/dev/virtio/network/if_vtnet.c
@@ -69,7 +69,6 @@
 #include <netinet6/ip6_var.h>
 #include <netinet/udp.h>
 #include <netinet/tcp.h>
-#include <netinet/sctp.h>
 #include <netinet/netdump/netdump.h>
 
 #include <machine/bus.h>
@@ -1525,9 +1524,6 @@
 		m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
 		m->m_pkthdr.csum_data = 0xFFFF;
 		break;
-	case offsetof(struct sctphdr, checksum):
-		m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;
-		break;
 	default:
 		sc->vtnet_stats.rx_csum_bad_offset++;
 		return (1);
@@ -1584,11 +1580,6 @@
 			return (1);
 		m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
 		m->m_pkthdr.csum_data = 0xFFFF;
-		break;
-	case IPPROTO_SCTP:
-		if (__predict_false(m->m_len < offset + sizeof(struct sctphdr)))
-			return (1);
-		m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;
 		break;
 	default:
 		/*
Index: head/sys/dev/virtio/network/if_vtnetvar.h
===================================================================
--- head/sys/dev/virtio/network/if_vtnetvar.h
+++ head/sys/dev/virtio/network/if_vtnetvar.h
@@ -268,8 +268,8 @@
 CTASSERT(sizeof(struct vtnet_mac_filter) <= PAGE_SIZE);
 
 #define VTNET_TX_TIMEOUT	5
-#define VTNET_CSUM_OFFLOAD	(CSUM_TCP | CSUM_UDP | CSUM_SCTP)
-#define VTNET_CSUM_OFFLOAD_IPV6	(CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_SCTP_IPV6)
+#define VTNET_CSUM_OFFLOAD	(CSUM_TCP | CSUM_UDP)
+#define VTNET_CSUM_OFFLOAD_IPV6	(CSUM_TCP_IPV6 | CSUM_UDP_IPV6)
 
 #define VTNET_CSUM_ALL_OFFLOAD	\
     (VTNET_CSUM_OFFLOAD | VTNET_CSUM_OFFLOAD_IPV6 | CSUM_TSO)