diff --git a/sys/net/if_epair.c b/sys/net/if_epair.c
index 89483db4633..699d74ee4fb 100644
--- a/sys/net/if_epair.c
+++ b/sys/net/if_epair.c
@@ -271,8 +271,11 @@ epair_transmit(struct ifnet *ifp, struct mbuf *m)
 {
 	struct epair_softc *sc;
 	struct ifnet *oifp;
-	int error, len;
+	int error;
+#ifdef ALTQ
+	int len;
 	short mflags;
+#endif
 
 	if (m == NULL)
 		return (0);
@@ -309,10 +312,11 @@ epair_transmit(struct ifnet *ifp, struct mbuf *m)
 		m_freem(m);
 		return (0);
 	}
+
+#ifdef ALTQ
 	len = m->m_pkthdr.len;
 	mflags = m->m_flags;
 
-#ifdef ALTQ
 	/* Support ALTQ via the classic if_start() path. */
 	IF_LOCK(&ifp->if_snd);
 	if (ALTQ_IS_ENABLED(&ifp->if_snd)) {