diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c1eb42ff1910..0919976877d1 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3193,8 +3193,7 @@ int btrfs_check_features(struct btrfs_fs_info *fs_info, bool is_rw_mount)
 	return 0;
 }
 
-int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices,
-		      char *options)
+int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices)
 {
 	u32 sectorsize;
 	u32 nodesize;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index eb3473d1c1ac..fdb340eafd8b 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -40,9 +40,7 @@ struct extent_buffer *btrfs_find_create_tree_block(
 int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info);
 int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
 			   const struct btrfs_super_block *disk_sb);
-int __cold open_ctree(struct super_block *sb,
-	       struct btrfs_fs_devices *fs_devices,
-	       char *options);
+int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices);
 void __cold close_ctree(struct btrfs_fs_info *fs_info);
 int btrfs_validate_super(struct btrfs_fs_info *fs_info,
 			 struct btrfs_super_block *sb, int mirror_num);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index b5d50a23a9fa..eb95c3787216 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -954,7 +954,7 @@ static int btrfs_fill_super(struct super_block *sb,
 		return err;
 	}
 
-	err = open_ctree(sb, fs_devices, (char *)data);
+	err = open_ctree(sb, fs_devices);
 	if (err) {
 		btrfs_err(fs_info, "open_ctree failed");
 		return err;