diff --git a/telebot/apihelper.py b/telebot/apihelper.py
index bf9e23a..7ef5ffc 100644
--- a/telebot/apihelper.py
+++ b/telebot/apihelper.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 import time
 from datetime import datetime
-import os
 
 try:
     import ujson as json