diff --git a/block/blk-mq.c b/block/blk-mq.c
index 2caac30e128a..c56b64ae1741 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1910,7 +1910,6 @@ static int blk_mq_init_hctx(struct request_queue *q,
 	spin_lock_init(&hctx->lock);
 	INIT_LIST_HEAD(&hctx->dispatch);
 	hctx->queue = q;
-	hctx->queue_num = hctx_idx;
 	hctx->flags = set->flags & ~BLK_MQ_F_TAG_SHARED;
 
 	cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);