diff --git a/drivers/rtc/rtc-au1xxx.c b/drivers/rtc/rtc-au1xxx.c
index e6428b27b5d4..630ea5de6871 100644
--- a/drivers/rtc/rtc-au1xxx.c
+++ b/drivers/rtc/rtc-au1xxx.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Au1xxx counter0 (aka Time-Of-Year counter) RTC interface driver.
  *
  * Copyright (C) 2008 Manuel Lauss <mano@roarinelk.homelinux.net>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 /* All current Au1xxx SoCs have 2 counters fed by an external 32.768 kHz