diff --git a/sys/bus/u4b/net/ruephy.c b/sys/bus/u4b/net/ruephy.c
deleted file mode 100644
index a5f944d6..00000000
--- a/sys/bus/u4b/net/ruephy.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*-
- * Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * driver for RealTek RTL8150 internal PHY
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/module.h>
-#include <sys/socket.h>
-#include <sys/bus.h>
-
-#include <net/if.h>
-#include <net/if_arp.h>
-#include <net/if_media.h>
-
-#include <dev/mii/mii.h>
-#include <dev/mii/miivar.h>
-#include "miidevs.h"
-
-#include <dev/usb/net/ruephyreg.h>
-
-#include "miibus_if.h"
-
-static int ruephy_probe(device_t);
-static int ruephy_attach(device_t);
-
-static device_method_t ruephy_methods[] = {
-	/* device interface */
-	DEVMETHOD(device_probe,		ruephy_probe),
-	DEVMETHOD(device_attach,	ruephy_attach),
-	DEVMETHOD(device_detach,	mii_phy_detach),
-	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
-	DEVMETHOD_END
-};
-
-static devclass_t ruephy_devclass;
-
-static driver_t ruephy_driver = {
-	"ruephy",
-	ruephy_methods,
-	sizeof(struct mii_softc)
-};
-
-DRIVER_MODULE(ruephy, miibus, ruephy_driver, ruephy_devclass, NULL, NULL);
-
-static int ruephy_service(struct mii_softc *, struct mii_data *, int);
-static void ruephy_reset(struct mii_softc *);
-static void ruephy_status(struct mii_softc *);
-
-/*
- * The RealTek RTL8150 internal PHY doesn't have vendor/device ID
- * registers; rue(4) fakes up a return value of all zeros.
- */
-static const struct mii_phydesc ruephys[] = {
-	{ 0, 0, "RealTek RTL8150 internal media interface" },
-	MII_PHY_END
-};
-
-static const struct mii_phy_funcs ruephy_funcs = {
-	ruephy_service,
-	ruephy_status,
-	ruephy_reset
-};
-
-static int
-ruephy_probe(device_t dev)
-{
-
-	if (strcmp(device_get_name(device_get_parent(device_get_parent(dev))),
-	    "rue") == 0)
-		return (mii_phy_dev_probe(dev, ruephys, BUS_PROBE_DEFAULT));
-	return (ENXIO);
-}
-
-static int
-ruephy_attach(device_t dev)
-{
-
-	mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
-	    &ruephy_funcs, 1);
-	return (0);
-}
-
-static int
-ruephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
-{
-	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
-	int reg;
-
-	switch (cmd) {
-	case MII_POLLSTAT:
-		break;
-
-	case MII_MEDIACHG:
-		/*
-		 * If the interface is not up, don't do anything.
-		 */
-		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
-			break;
-
-		mii_phy_setmedia(sc);
-		break;
-
-	case MII_TICK:
-		/*
-		 * Is the interface even up?
-		 */
-		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
-			return (0);
-
-		/*
-		 * Only used for autonegotiation.
-		 */
-		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
-			break;
-
-		/*
-		 * Check to see if we have link.  If we do, we don't
-		 * need to restart the autonegotiation process.  Read
-		 * the MSR twice in case it's latched.
-		 */
-		reg = PHY_READ(sc, RUEPHY_MII_MSR) |
-		    PHY_READ(sc, RUEPHY_MII_MSR);
-		if (reg & RUEPHY_MSR_LINK)
-			break;
-
-		/* Only retry autonegotiation every mii_anegticks seconds. */
-		if (sc->mii_ticks <= sc->mii_anegticks)
-			break;
-
-		sc->mii_ticks = 0;
-		PHY_RESET(sc);
-		if (mii_phy_auto(sc) == EJUSTRETURN)
-			return (0);
-		break;
-	}
-
-	/* Update the media status. */
-	PHY_STATUS(sc);
-
-	/* Callback if something changed. */
-	mii_phy_update(sc, cmd);
-
-	return (0);
-}
-
-static void
-ruephy_reset(struct mii_softc *sc)
-{
-
-	mii_phy_reset(sc);
-
-	/*
-	 * XXX RealTek RTL8150 PHY doesn't set the BMCR properly after
-	 * XXX reset, which breaks autonegotiation.
-	 */
-	PHY_WRITE(sc, MII_BMCR, (BMCR_S100 | BMCR_AUTOEN | BMCR_FDX));
-}
-
-static void
-ruephy_status(struct mii_softc *phy)
-{
-	struct mii_data *mii = phy->mii_pdata;
-	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
-	int bmsr, bmcr, msr;
-
-	mii->mii_media_status = IFM_AVALID;
-	mii->mii_media_active = IFM_ETHER;
-
-	msr = PHY_READ(phy, RUEPHY_MII_MSR) | PHY_READ(phy, RUEPHY_MII_MSR);
-	if (msr & RUEPHY_MSR_LINK)
-		mii->mii_media_status |= IFM_ACTIVE;
-
-	bmcr = PHY_READ(phy, MII_BMCR);
-	if (bmcr & BMCR_ISO) {
-		mii->mii_media_active |= IFM_NONE;
-		mii->mii_media_status = 0;
-		return;
-	}
-
-	bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);
-	if (bmcr & BMCR_AUTOEN) {
-		if ((bmsr & BMSR_ACOMP) == 0) {
-			/* Erg, still trying, I guess... */
-			mii->mii_media_active |= IFM_NONE;
-			return;
-		}
-
-		if (msr & RUEPHY_MSR_SPEED100)
-			mii->mii_media_active |= IFM_100_TX;
-		else
-			mii->mii_media_active |= IFM_10_T;
-
-		if (msr & RUEPHY_MSR_DUPLEX)
-			mii->mii_media_active |=
-			    IFM_FDX | mii_phy_flowstatus(phy);
-		else
-			mii->mii_media_active |= IFM_HDX;
-	} else
-		mii->mii_media_active = ife->ifm_media;
-}
diff --git a/sys/bus/u4b/net/ruephyreg.h b/sys/bus/u4b/net/ruephyreg.h
deleted file mode 100644
index 01d3cc17..00000000
--- a/sys/bus/u4b/net/ruephyreg.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*-
- * Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifndef _RUEPHYREG_H_
-#define	_RUEPHYREG_H_
-
-#define	RUEPHY_MII_MSR		0x0137	/* B, R/W */
-#define	RUEPHY_MSR_RXFCE	0x40
-#define	RUEPHY_MSR_DUPLEX	0x10
-#define	RUEPHY_MSR_SPEED100	0x08
-#define	RUEPHY_MSR_LINK		0x04
-
-#endif	/* _RUEPHYREG_H_ */