diff --git a/conf.py b/conf.py
index 06bb0d1..54de166 100644
--- a/conf.py
+++ b/conf.py
@@ -42,7 +42,7 @@ release = u''
 # ones.
 extensions = [
     'sphinx.ext.autodoc',
-#    'sphinx.ext.todo',
+    'sphinx.ext.todo',
     'recommonmark',
 ]
 
@@ -51,10 +51,6 @@ templates_path = ['_templates']
 
 from recommonmark.parser import CommonMarkParser
 
-source_parsers = {
-    '.md': CommonMarkParser,
-}
-
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #