diff --git a/internal/db/kvs/bbolt/option_test.go b/internal/db/kvs/bbolt/option_test.go
index 4497c9dfea..8383d66980 100644
--- a/internal/db/kvs/bbolt/option_test.go
+++ b/internal/db/kvs/bbolt/option_test.go
@@ -1,16 +1,3 @@
-// Copyright (C) 2019-2023 vdaas.org vald team <vald@vdaas.org>
-//
-// 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
-//
-//	https://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.
 package bbolt
 
 // NOT IMPLEMENTED BELOW