diff --git a/docs/conf.py b/docs/conf.py
index e4277e3..bbcd7e0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,11 +1,8 @@
 # -*- coding: utf-8 -*-
 
 import datetime
-import json
 import os
 
-from sphinx.ext import autodoc
-
 import setuptools_scm
 
 extensions = ['sphinx.ext.autodoc']