diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 57a857142cdaf90f99839373016d7e64e784d1e6..c2d3699a70bdb6b50495c47c7b0cf376be5eff15 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3944,7 +3944,6 @@ void close_ctree(struct btrfs_fs_info *fs_info)
 	__btrfs_free_block_rsv(root->orphan_block_rsv);
 	root->orphan_block_rsv = NULL;
 
-	mutex_lock(&fs_info->chunk_mutex);
 	while (!list_empty(&fs_info->pinned_chunks)) {
 		struct extent_map *em;
 
@@ -3953,7 +3952,6 @@ void close_ctree(struct btrfs_fs_info *fs_info)
 		list_del_init(&em->list);
 		free_extent_map(em);
 	}
-	mutex_unlock(&fs_info->chunk_mutex);
 }
 
 int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,