diff --git a/api-guide/source/conf.py b/api-guide/source/conf.py
index 7373c3c00e..4015186179 100644
--- a/api-guide/source/conf.py
+++ b/api-guide/source/conf.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/api-ref/source/conf.py b/api-ref/source/conf.py
index 46877600be..e2dd58c72e 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.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/ext/nova_todo.py b/doc/ext/nova_todo.py
index 17fa690c44..eb5335cb20 100644
--- a/doc/ext/nova_todo.py
+++ b/doc/ext/nova_todo.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # This is a hack of the builtin todo extension, to make the todo_list
 # more user friendly.
 
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 40ee52c78c..19ede311b3 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # nova documentation build configuration file, created by
 # sphinx-quickstart on Sat May  1 15:17:47 2010.
 #
diff --git a/nova/tests/functional/test_middleware.py b/nova/tests/functional/test_middleware.py
index 40b2d51978..721a78d79b 100644
--- a/nova/tests/functional/test_middleware.py
+++ b/nova/tests/functional/test_middleware.py
@@ -1,5 +1,3 @@
-# -*- encoding: 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/nova/virt/ironic/client_wrapper.py b/nova/virt/ironic/client_wrapper.py
index 99b55fc802..5c911c4eec 100644
--- a/nova/virt/ironic/client_wrapper.py
+++ b/nova/virt/ironic/client_wrapper.py
@@ -1,5 +1,3 @@
-# coding=utf-8
-#
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
 #
diff --git a/nova/virt/ironic/driver.py b/nova/virt/ironic/driver.py
index dfcd067240..c3769b47ae 100644
--- a/nova/virt/ironic/driver.py
+++ b/nova/virt/ironic/driver.py
@@ -1,5 +1,3 @@
-# coding=utf-8
-#
 # Copyright 2014 Red Hat, Inc.
 # Copyright 2013 Hewlett-Packard Development Company, L.P.
 # All Rights Reserved.
diff --git a/nova/virt/ironic/patcher.py b/nova/virt/ironic/patcher.py
index 62c5b999da..89671a2353 100644
--- a/nova/virt/ironic/patcher.py
+++ b/nova/virt/ironic/patcher.py
@@ -1,5 +1,3 @@
-# coding=utf-8
-#
 # Copyright 2014 Hewlett-Packard Development Company, L.P.
 # Copyright 2014 Red Hat, Inc.
 # All Rights Reserved.
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 0340e4e8c7..9631189bcd 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # Nova Release Notes documentation build configuration file, created by
 # sphinx-quickstart on Thu Nov  5 11:50:32 2015.
 #