diff --git a/doc/source/conf.py b/doc/source/conf.py
index 2edaddbdc0..04ddfdf0e7 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # Tempest documentation build configuration file, created by
 # sphinx-quickstart on Tue May 21 17:43:32 2013.
 #
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 140263cd95..eec42cdf16 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # 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
diff --git a/tempest/api/orchestration/stacks/test_swift_resources.py b/tempest/api/orchestration/stacks/test_swift_resources.py
index c0f1c4bdc5..36725265d9 100644
--- a/tempest/api/orchestration/stacks/test_swift_resources.py
+++ b/tempest/api/orchestration/stacks/test_swift_resources.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tempest/tests/lib/test_tempest_lib.py b/tempest/tests/lib/test_tempest_lib.py
index d70e53dee8..4d9f099896 100644
--- a/tempest/tests/lib/test_tempest_lib.py
+++ b/tempest/tests/lib/test_tempest_lib.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # 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