diff --git a/doc/conf.py b/doc/conf.py
index e894bea2..ebe362d2 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -99,11 +99,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
-if not on_rtd:
-    import sphinx_rtd_theme
-    html_theme = 'sphinx_rtd_theme'
-    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+html_theme = 'sphinx_rtd_theme'
 
 #html_theme = 'default'
 
@@ -264,4 +260,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'http://docs.python.org/': None}
+#intersphinx_mapping = {'http://docs.python.org/': None}