diff --git a/doc/conf.py b/doc/conf.py
index ac78d66cc3f2b37f230140a1168d0905aba29313..22afb222f857fb6fb2f16d461d0dfa7c3ec228a2 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -126,7 +126,7 @@ html_theme = 'scikit-learn'
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+html_theme_options = {'oldversion':True}
 
 # Add any paths that contain custom themes here, relative to this directory.
 html_theme_path = ['themes']
diff --git a/doc/themes/scikit-learn/theme.conf b/doc/themes/scikit-learn/theme.conf
index 763b39ca33e3c69731c8e8ffdcd205544a483468..bdccd9d9347b4e3d9d4aaeddbd09a7f04418f218 100644
--- a/doc/themes/scikit-learn/theme.conf
+++ b/doc/themes/scikit-learn/theme.conf
@@ -4,4 +4,4 @@ stylesheet = nature.css
 pygments_style = tango
 
 [options]
-oldversion = True
+oldversion = False