diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index 4459644b9b5537c137e87aa7b3c0964a88dc2ff4..71094e479a965f97134167aba0ece8b0385d5224 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -586,7 +586,6 @@ static int fsl_ep_enable(struct usb_ep *_ep,
 	case USB_ENDPOINT_XFER_ISOC:
 		/* Calculate transactions needed for high bandwidth iso */
 		mult = usb_endpoint_maxp_mult(desc);
-		max = max & 0x7ff;	/* bit 0~10 */
 		/* 3 transactions at most */
 		if (mult > 3)
 			goto en_done;