diff --git a/test/integration/common_views_test.rb b/test/integration/common_views_test.rb
index 6ad293c..b94cdf5 100644
--- a/test/integration/common_views_test.rb
+++ b/test/integration/common_views_test.rb
@@ -1,5 +1,3 @@
-# Redmine Messenger plugin for Redmine
-
 require File.expand_path('../../test_helper', __FILE__)
 
 class CommonViewsTest < Redmine::IntegrationTest
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 9ba95f5..3eef8fd 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,5 +1,3 @@
-# Redmine Messenger plugin for Redmine
-
 unless ENV['SKIP_COVERAGE']
   require 'simplecov'
   require 'simplecov-rcov'
diff --git a/test/unit/i18n_test.rb b/test/unit/i18n_test.rb
index 6b0661c..b676e1a 100644
--- a/test/unit/i18n_test.rb
+++ b/test/unit/i18n_test.rb
@@ -1,5 +1,3 @@
-# Redmine Messenger plugin for Redmine
-
 require File.expand_path('../../test_helper', __FILE__)
 
 module Redmine
diff --git a/test/unit/issue_test.rb b/test/unit/issue_test.rb
index 4f856d6..d83b93f 100644
--- a/test/unit/issue_test.rb
+++ b/test/unit/issue_test.rb
@@ -1,5 +1,3 @@
-# Redmine Messenger plugin for Redmine
-
 require File.expand_path('../../test_helper', __FILE__)
 
 class IssueTest < ActiveSupport::TestCase
diff --git a/test/unit/project_test.rb b/test/unit/project_test.rb
index b081f58..7299ff0 100644
--- a/test/unit/project_test.rb
+++ b/test/unit/project_test.rb
@@ -1,22 +1,3 @@
-# This file is a part of redmine_reporting,
-# a reporting and statistics plugin for Redmine.
-#
-# Copyright (c) 2016-2017 AlphaNodes GmbH
-# https://alphanodes.com
-#
-# redmine_reporting 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.
-#
-# redmine_reporting is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with redmine_reporting.  If not, see <http://www.gnu.org/licenses/>.
-
 require File.expand_path('../../test_helper', __FILE__)
 
 class ProjectTest < ActiveSupport::TestCase