diff --git a/doc/source/conf.py b/doc/source/conf.py
index f52ece3..a32a66e 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 #
 # openstack-ansible-plugins documentation build configuration file, created by
 # sphinx-quickstart on Mon Apr 13 20:42:26 2015.
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 3d2e861..e09c6d0 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