diff --git a/examples/asynchronous_telebot/set_command_example.py b/examples/asynchronous_telebot/set_command_example.py
index fae588d..2de53f4 100644
--- a/examples/asynchronous_telebot/set_command_example.py
+++ b/examples/asynchronous_telebot/set_command_example.py
@@ -6,7 +6,6 @@
 # Important, command for chat_id and for group have a higher priority than for all
 
 import asyncio
-import os
 import telebot
 from telebot.async_telebot import AsyncTeleBot
 
diff --git a/examples/asynchronous_telebot/timer_bot_async.py b/examples/asynchronous_telebot/timer_bot_async.py
index 1d1da65..c263dcb 100644
--- a/examples/asynchronous_telebot/timer_bot_async.py
+++ b/examples/asynchronous_telebot/timer_bot_async.py
@@ -5,7 +5,7 @@
 # https://schedule.readthedocs.io
 
 import asyncio
-import os, aioschedule
+import aioschedule
 from telebot.async_telebot import AsyncTeleBot
 
 API_TOKEN = '<api_token>'
diff --git a/examples/set_command_example.py b/examples/set_command_example.py
index ba38c12..1573e91 100644
--- a/examples/set_command_example.py
+++ b/examples/set_command_example.py
@@ -5,7 +5,6 @@
 # Important, to update the command menu, be sure to exit the chat with the bot and enter to chat again
 # Important, command for chat_id and for group have a higher priority than for all
 
-import os
 import telebot
 
 
diff --git a/examples/timer_bot.py b/examples/timer_bot.py
index 85f6697..d82e2d0 100644
--- a/examples/timer_bot.py
+++ b/examples/timer_bot.py
@@ -3,7 +3,7 @@
 # This is a simple bot with schedule timer
 # https://schedule.readthedocs.io
 
-import os, time, threading, schedule
+import time, threading, schedule
 from telebot import TeleBot
 
 API_TOKEN = '<api_token>'