diff --git a/doc/build/conf.py b/doc/build/conf.py
index a7a1b888ac..5d33e82f07 100644
--- a/doc/build/conf.py
+++ b/doc/build/conf.py
@@ -260,8 +260,8 @@ htmlhelp_basename = 'SQLAlchemydoc'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('contents', 'sqlalchemy_%s.tex' % release.replace('.', '_'), ur'SQLAlchemy Documentation',
-   ur'Mike Bayer', 'manual'),
+  ('contents', 'sqlalchemy_%s.tex' % release.replace('.', '_'), 'SQLAlchemy Documentation',
+   'Mike Bayer', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of