diff --git a/yowsup/common/tools.py b/yowsup/common/tools.py
index 1ee86dc7e..1e478a806 100644
--- a/yowsup/common/tools.py
+++ b/yowsup/common/tools.py
@@ -1,6 +1,3 @@
-import time,datetime,re
-import calendar
-from dateutil import tz
 import os
 from .constants import YowConstants
 import codecs, sys