diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 0bedb81a5af6..b0773f03978c 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -497,11 +497,8 @@ static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
 
 	blk_mq_sched_request_inserted(rq);
 
-	if (at_head || blk_rq_is_passthrough(rq)) {
-		if (at_head)
-			list_add(&rq->queuelist, &dd->dispatch);
-		else
-			list_add_tail(&rq->queuelist, &dd->dispatch);
+	if (at_head) {
+		list_add(&rq->queuelist, &dd->dispatch);
 	} else {
 		deadline_add_rq_rb(dd, rq);