diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 89333e118c7aa7b523419068f4c119550e1db6ff..03367a64b5c1593315f98ea58eedde2e7b3a19b9 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -948,7 +948,7 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags,
  * The value is later passed to mount_subvol()
  */
 static int btrfs_parse_subvol_options(const char *options, fmode_t flags,
-		void *holder, char **subvol_name, u64 *subvol_objectid)
+		char **subvol_name, u64 *subvol_objectid)
 {
 	substring_t args[MAX_OPT_ARGS];
 	char *opts, *orig, *p;
@@ -1667,7 +1667,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
 	if (!(flags & SB_RDONLY))
 		mode |= FMODE_WRITE;
 
-	error = btrfs_parse_subvol_options(data, mode, fs_type,
+	error = btrfs_parse_subvol_options(data, mode,
 					  &subvol_name, &subvol_objectid);
 	if (error) {
 		kfree(subvol_name);