diff --git a/drivers/mfd/viperboard.c b/drivers/mfd/viperboard.c
index f964bcfa0796..888737b8e7be 100644
--- a/drivers/mfd/viperboard.c
+++ b/drivers/mfd/viperboard.c
@@ -59,7 +59,7 @@ static int vprbrd_probe(struct usb_interface *interface,
 
 	mutex_init(&vb->lock);
 
-	vb->usb_dev = usb_get_dev(interface_to_usbdev(interface));
+	vb->usb_dev = interface_to_usbdev(interface);
 
 	/* save our data pointer in this interface device */
 	usb_set_intfdata(interface, vb);
@@ -96,10 +96,8 @@ static int vprbrd_probe(struct usb_interface *interface,
 	return 0;
 
 error:
-	if (vb) {
-		usb_put_dev(vb->usb_dev);
+	if (vb)
 		kfree(vb);
-	}
 
 	return ret;
 }
@@ -110,7 +108,6 @@ static void vprbrd_disconnect(struct usb_interface *interface)
 
 	mfd_remove_devices(&interface->dev);
 	usb_set_intfdata(interface, NULL);
-	usb_put_dev(vb->usb_dev);
 	kfree(vb);
 
 	dev_dbg(&interface->dev, "disconnected\n");