diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 0b302d707095fb1384c9ac848ed775cfb4d10313..e94591021682773c2717054552197de59316a2ca 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -606,12 +606,8 @@ static struct nullb_cmd *alloc_cmd(struct nullb_queue *nq, int can_wait)
 
 static void end_cmd(struct nullb_cmd *cmd)
 {
-	struct request_queue *q = NULL;
 	int queue_mode = cmd->nq->dev->queue_mode;
 
-	if (cmd->rq)
-		q = cmd->rq->q;
-
 	switch (queue_mode)  {
 	case NULL_Q_MQ:
 		blk_mq_end_request(cmd->rq, cmd->error);