diff --git a/libntfs-3g/index.c b/libntfs-3g/index.c
index 645b74d3..8865a545 100644
--- a/libntfs-3g/index.c
+++ b/libntfs-3g/index.c
@@ -1841,7 +1841,8 @@ err_out:
 	goto out;
 }
 
-int ntfs_index_remove(ntfs_inode *dir_ni, ntfs_inode *ni,
+int ntfs_index_remove(ntfs_inode *dir_ni,
+		ntfs_inode *ni __attribute__((unused)),
 		const void *key, const int keylen)
 {
 	int ret = STATUS_ERROR;