diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index 7c479d314cf9..589585c1c428 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -486,10 +486,6 @@ udp_input(struct mbuf *m, int off)
 					INP_RUNLOCK(inp);
 					continue;
 				}
-				if (imo == NULL) {
-					INP_RUNLOCK(inp);
-					continue;
-				}
 				bzero(&group, sizeof(struct sockaddr_in));
 				group.sin_len = sizeof(struct sockaddr_in);
 				group.sin_family = AF_INET;