diff --git a/doc/source/conf.py b/doc/source/conf.py
index cc97524088cab3089e6bf7136209282a8201ee32..f187096f9ebfe203835486872c68a1126182fa85 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -33,7 +33,7 @@ openstackdocs_bug_tag = ''
 master_doc = 'index'
 
 # General information about the project.
-copyright = u'2014, OpenStack Foundation'
+copyright = '2014, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True