diff --git a/src/core/core.py b/src/core/core.py
index 540ee4b..5f578bd 100644
--- a/src/core/core.py
+++ b/src/core/core.py
@@ -6,8 +6,6 @@
 # (c) kuitoi.su 2023
 import asyncio
 import os
-import time
-import traceback
 import zlib
 from threading import Thread
 
diff --git a/src/core/tcp_server.pyi b/src/core/tcp_server.pyi
index 714a8f7..65bfe40 100644
--- a/src/core/tcp_server.pyi
+++ b/src/core/tcp_server.pyi
@@ -6,7 +6,6 @@
 # (c) kuitoi.su 2023
 import asyncio
 from asyncio import StreamWriter, StreamReader
-import socket
 from typing import Tuple
 
 from core import utils, Core
diff --git a/src/core/utils.py b/src/core/utils.py
index 4eb3395..9a88353 100644
--- a/src/core/utils.py
+++ b/src/core/utils.py
@@ -6,7 +6,6 @@
 # (c) kuitoi.su 2023
 
 import logging
-import os
 
 log_format = "[%(asctime)s | %(name)-14s | %(levelname)-5s] %(message)s"
 log_format_access = '[%(asctime)s | %(name)-14s | %(levelname)-5s] %(client_addr)s - "%(request_line)s" %(status_code)s'