diff --git a/brick_cinderclient_ext/__init__.py b/brick_cinderclient_ext/__init__.py
index 3891c7e..910cf60 100644
--- a/brick_cinderclient_ext/__init__.py
+++ b/brick_cinderclient_ext/__init__.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
diff --git a/brick_cinderclient_ext/tests/functional/test_brick_client.py b/brick_cinderclient_ext/tests/functional/test_brick_client.py
index 4c971ee..459f5b4 100644
--- a/brick_cinderclient_ext/tests/functional/test_brick_client.py
+++ b/brick_cinderclient_ext/tests/functional/test_brick_client.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
diff --git a/brick_cinderclient_ext/tests/unit/test_brick_client.py b/brick_cinderclient_ext/tests/unit/test_brick_client.py
index 3beaa8d..681ad36 100644
--- a/brick_cinderclient_ext/tests/unit/test_brick_client.py
+++ b/brick_cinderclient_ext/tests/unit/test_brick_client.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
diff --git a/brick_cinderclient_ext/tests/unit/test_cli.py b/brick_cinderclient_ext/tests/unit/test_cli.py
index 90af722..5b570e5 100644
--- a/brick_cinderclient_ext/tests/unit/test_cli.py
+++ b/brick_cinderclient_ext/tests/unit/test_cli.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
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 2f3adb3..09cd38f 100755
--- a/doc/source/conf.py
+++ b/doc/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