diff --git a/sys/dev/ste/if_ste.c b/sys/dev/ste/if_ste.c
index fde98fd0c088..07412a50f1f5 100644
--- a/sys/dev/ste/if_ste.c
+++ b/sys/dev/ste/if_ste.c
@@ -1150,7 +1150,6 @@ ste_attach(device_t dev)
 
 	ifp->if_softc = sc;
 	if_initname(ifp, device_get_name(dev), device_get_unit(dev));
-	ifp->if_mtu = ETHERMTU;
 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
 	ifp->if_ioctl = ste_ioctl;
 	ifp->if_start = ste_start;