diff --git a/doc/source/conf.py b/doc/source/conf.py
index 284bcb3b..29bf3157 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # keystonemiddleware documentation build configuration file, created by
 # sphinx-quickstart on Sun Dec  6 14:19:25 2009.
 #
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 4b682f9e..eab8c725 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