diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 6e0130922671..2b751bfa50e1 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -614,7 +614,7 @@ static void blk_mq_free_tags_callback(struct rcu_head *head)
 	kfree(tags);
 }
 
-void blk_mq_free_tags(struct blk_mq_tag_set *set, struct blk_mq_tags *tags)
+void blk_mq_free_tags(struct blk_mq_tags *tags)
 {
 	sbitmap_queue_free(&tags->bitmap_tags);
 	sbitmap_queue_free(&tags->breserved_tags);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index d573123211e8..b264e4d0a778 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3497,14 +3497,14 @@ void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
 	 */
 }
 
-void blk_mq_free_rq_map(struct blk_mq_tag_set *set, struct blk_mq_tags *tags)
+void blk_mq_free_rq_map(struct blk_mq_tags *tags)
 {
 	kfree(tags->rqs);
 	tags->rqs = NULL;
 	kfree(tags->static_rqs);
 	tags->static_rqs = NULL;
 
-	blk_mq_free_tags(set, tags);
+	blk_mq_free_tags(tags);
 }
 
 static enum hctx_type hctx_idx_to_type(struct blk_mq_tag_set *set,
@@ -3566,7 +3566,7 @@ static struct blk_mq_tags *blk_mq_alloc_rq_map(struct blk_mq_tag_set *set,
 err_free_rqs:
 	kfree(tags->rqs);
 err_free_tags:
-	blk_mq_free_tags(set, tags);
+	blk_mq_free_tags(tags);
 	return NULL;
 }
 
@@ -4119,7 +4119,7 @@ struct blk_mq_tags *blk_mq_alloc_map_and_rqs(struct blk_mq_tag_set *set,
 
 	ret = blk_mq_alloc_rqs(set, tags, hctx_idx, depth);
 	if (ret) {
-		blk_mq_free_rq_map(set, tags);
+		blk_mq_free_rq_map(tags);
 		return NULL;
 	}
 
@@ -4147,7 +4147,7 @@ void blk_mq_free_map_and_rqs(struct blk_mq_tag_set *set,
 {
 	if (tags) {
 		blk_mq_free_rqs(set, tags, hctx_idx);
-		blk_mq_free_rq_map(set, tags);
+		blk_mq_free_rq_map(tags);
 	}
 }
 
diff --git a/block/blk-mq.h b/block/blk-mq.h
index e6b463da5071..1e64236d34d4 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -62,7 +62,7 @@ void blk_mq_put_rq_ref(struct request *rq);
  */
 void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
 		     unsigned int hctx_idx);
-void blk_mq_free_rq_map(struct blk_mq_tag_set *set, struct blk_mq_tags *tags);
+void blk_mq_free_rq_map(struct blk_mq_tags *tags);
 struct blk_mq_tags *blk_mq_alloc_map_and_rqs(struct blk_mq_tag_set *set,
 				unsigned int hctx_idx, unsigned int depth);
 void blk_mq_free_map_and_rqs(struct blk_mq_tag_set *set,
@@ -176,7 +176,7 @@ struct blk_mq_alloc_data {
 
 struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags,
 		unsigned int reserved_tags, unsigned int flags, int node);
-void blk_mq_free_tags(struct blk_mq_tag_set *set, struct blk_mq_tags *tags);
+void blk_mq_free_tags(struct blk_mq_tags *tags);
 
 extern struct srcu_struct blk_mq_tags_srcu;