diff --git a/src/variant_visitors.hpp b/src/variant_visitors.hpp
index 87ae750..5aa5301 100644
--- a/src/variant_visitors.hpp
+++ b/src/variant_visitors.hpp
@@ -1,19 +1,5 @@
-/*
-// Copyright (c) 2019 Intel Corporation
-//
-// 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.
-*/
-/// \file variant_visitors.hpp
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright 2019 Intel Corporation
 
 #pragma once
 #include <stdexcept>