diff --git a/docs/conf.py b/docs/conf.py
index e64b6c9..0a3d87d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 
 import sys
-import os
-
 extensions = ['sphinx.ext.autodoc']
 
 templates_path = ['_templates']
diff --git a/vdirsyncer/storage/singlefile.py b/vdirsyncer/storage/singlefile.py
index 2cff854..d1cc6c2 100644
--- a/vdirsyncer/storage/singlefile.py
+++ b/vdirsyncer/storage/singlefile.py
@@ -7,7 +7,6 @@
     :license: MIT, see LICENSE for more details.
 '''
 
-import os
 import collections
 
 from .base import Item, Storage