diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index f200e472e476d80dcbe2005adebedc142ecf406e..03505cbae8739f06a9bce6a440347341b9d0d1f2 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2393,7 +2393,6 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
 
 	if (driver             == NULL ||
 	    bind               == NULL ||
-	    driver->unbind     == NULL ||
 	    driver->setup      == NULL ||
 	    driver->disconnect == NULL ||
 	    driver->suspend    == NULL ||