diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c
index f0a2934..77ab839 100644
--- a/lib/libcrc32c.c
+++ b/lib/libcrc32c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* 
  * CRC32C
  *@Article{castagnoli-crc,
@@ -23,12 +24,6 @@
  *  <endoflist>
  *
  * Copyright (c) 2004 Cisco Systems, Inc.
- * 
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option) 
- * any later version.
- *
  */
 
 #include <crypto/hash.h>
@@ -47,7 +42,6 @@
 	int err;
 
 	shash->tfm = tfm;
-	shash->flags = 0;
 	*ctx = crc;
 
 	err = crypto_shash_update(shash, address, length);