diff --git a/docs/conf.py b/docs/conf.py
index 160f26376..66f99f3ee 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,7 +29,7 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sensio.sphinx.refinclude', 'sensio.sphinx.configurationblock', 'sensio.sphinx.phpcode']
+extensions = ['sensio.sphinx.configurationblock', 'sensio.sphinx.phpcode']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']