diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c
index 224e7d82de6d2552121a2af643ea57d927e5b05b..cf77f2dffa698fa8399f5ae7b04162be8a1b34fe 100644
--- a/drivers/net/usb/ax88172a.c
+++ b/drivers/net/usb/ax88172a.c
@@ -134,7 +134,6 @@ static void ax88172a_remove_mdio(struct usbnet *dev)
 
 	netdev_info(dev->net, "deregistering mdio bus %s\n", priv->mdio->id);
 	mdiobus_unregister(priv->mdio);
-	kfree(priv->mdio->irq);
 	mdiobus_free(priv->mdio);
 }