diff --git a/mboxd_flash_physical.c b/mboxd_flash_physical.c
index 69d2f3c..5cd5868 100644
--- a/mboxd_flash_physical.c
+++ b/mboxd_flash_physical.c
@@ -1,21 +1,5 @@
-/*
- * Mailbox Daemon Flash Helpers
- *
- * Copyright 2017 IBM
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (C) 2018 IBM Corp.
 
 #define _GNU_SOURCE
 #include <assert.h>