diff --git a/mwclient/client.py b/mwclient/client.py
index 1c193351b312239afe58a2f11e48750fc482064d..36e914d510bfa17d3608a6ef47d084d8bb10839c 100644
--- a/mwclient/client.py
+++ b/mwclient/client.py
@@ -1,8 +1,4 @@
 import warnings
-import time
-import random
-import sys
-import weakref
 import logging
 from six import text_type
 import six
diff --git a/mwclient/sleep.py b/mwclient/sleep.py
index 353f558cb61c14057d21620e678fb4b297a61777..c8bf9db4ab0a03f0df8faca71b9b8d9c983829bd 100644
--- a/mwclient/sleep.py
+++ b/mwclient/sleep.py
@@ -1,4 +1,3 @@
-import random
 import time
 import logging
 from mwclient.errors import MaximumRetriesExceeded