diff --git a/sys/net/if_tap.c b/sys/net/if_tap.c
index ad6f781b6e5b..fe53a6acf4fb 100644
--- a/sys/net/if_tap.c
+++ b/sys/net/if_tap.c
@@ -220,6 +220,7 @@ tap_destroy(struct tap_softc *tp)
 	CURVNET_SET(ifp->if_vnet);
 	destroy_dev(tp->tap_dev);
 	seldrain(&tp->tap_rsel);
+	knlist_clear(&tp->tap_rsel.si_note, 0);
 	knlist_destroy(&tp->tap_rsel.si_note);
 	ether_ifdetach(ifp);
 	if_free(ifp);
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c
index f44bc0e5bf3c..f36e7ada3d2d 100644
--- a/sys/net/if_tun.c
+++ b/sys/net/if_tun.c
@@ -258,6 +258,7 @@ tun_destroy(struct tun_softc *tp)
 	if_free(TUN2IFP(tp));
 	destroy_dev(dev);
 	seldrain(&tp->tun_rsel);
+	knlist_clear(&tp->tun_rsel.si_note, 0);
 	knlist_destroy(&tp->tun_rsel.si_note);
 	mtx_destroy(&tp->tun_mtx);
 	cv_destroy(&tp->tun_cv);