diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index a25a4a2..9f62ab2 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -195,7 +195,7 @@
 	return ret;
 }
 
-int btrfs_check_acl(struct inode *inode, int mask, unsigned int flags)
+int btrfs_check_acl(struct inode *inode, int mask)
 {
 	int error = -EAGAIN;