diff --git a/source/component/menubar.py b/source/component/menubar.py
index 187ab6b..60cd064 100755
--- a/source/component/menubar.py
+++ b/source/component/menubar.py
@@ -1,6 +1,5 @@
 import os
 import random
-from select import select
 import pygame as pg
 from .. import tool
 from .. import constants as c
diff --git a/source/state/level.py b/source/state/level.py
index ed7f6fd..5ac85f2 100644
--- a/source/state/level.py
+++ b/source/state/level.py
@@ -1,6 +1,5 @@
 import os
 import json
-import sys
 import pygame as pg
 import random
 from .. import tool
diff --git a/source/tool.py b/source/tool.py
index 790858c..f4d2683 100755
--- a/source/tool.py
+++ b/source/tool.py
@@ -1,6 +1,5 @@
 import os
 import json
-import sys
 from abc import abstractmethod
 import pygame as pg
 from pygame.locals import *