diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 3071c0ef909b..f499cab7e89c 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -800,13 +800,11 @@ error:
 static void adu_disconnect(struct usb_interface *interface)
 {
 	struct adu_device *dev;
-	int minor;
 
 	dev = usb_get_intfdata(interface);
 
 	mutex_lock(&dev->mtx);	/* not interruptible */
 	dev->udev = NULL;	/* poison */
-	minor = dev->minor;
 	usb_deregister_dev(interface, &adu_class);
 	mutex_unlock(&dev->mtx);