diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 085ffdf98e57..c4344b67628d 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -799,7 +799,6 @@ static int ubd_open_dev(struct ubd *ubd_dev)
 	}
 	if (ubd_dev->no_trim == 0) {
 		ubd_dev->queue->limits.discard_granularity = SECTOR_SIZE;
-		ubd_dev->queue->limits.discard_alignment = SECTOR_SIZE;
 		blk_queue_max_discard_sectors(ubd_dev->queue, UBD_MAX_REQUEST);
 		blk_queue_max_write_zeroes_sectors(ubd_dev->queue, UBD_MAX_REQUEST);
 	}