diff --git a/Lib/idlelib/MultiCall.py b/Lib/idlelib/MultiCall.py
index c59ccfe..f2e3887 100644
--- a/Lib/idlelib/MultiCall.py
+++ b/Lib/idlelib/MultiCall.py
@@ -30,7 +30,6 @@
 """
 
 import sys
-import os
 import re
 import Tkinter
 
diff --git a/Lib/idlelib/RemoteDebugger.py b/Lib/idlelib/RemoteDebugger.py
index 46582d1..d8662bb 100644
--- a/Lib/idlelib/RemoteDebugger.py
+++ b/Lib/idlelib/RemoteDebugger.py
@@ -20,7 +20,6 @@
 
 """
 
-import sys
 import types
 from idlelib import rpc
 from idlelib import Debugger
diff --git a/Lib/idlelib/TreeWidget.py b/Lib/idlelib/TreeWidget.py
index 0009de8..04e16a2 100644
--- a/Lib/idlelib/TreeWidget.py
+++ b/Lib/idlelib/TreeWidget.py
@@ -15,7 +15,6 @@
 # - optimize tree redraw after expand of subnode
 
 import os
-import sys
 from Tkinter import *
 import imp
 
diff --git a/Lib/idlelib/UndoDelegator.py b/Lib/idlelib/UndoDelegator.py
index cdda142..57b02df 100644
--- a/Lib/idlelib/UndoDelegator.py
+++ b/Lib/idlelib/UndoDelegator.py
@@ -1,4 +1,3 @@
-import sys
 import string
 from Tkinter import *
 
diff --git a/Lib/idlelib/keybindingDialog.py b/Lib/idlelib/keybindingDialog.py
index 7f4cc91..f326b6f 100644
--- a/Lib/idlelib/keybindingDialog.py
+++ b/Lib/idlelib/keybindingDialog.py
@@ -3,7 +3,7 @@
 """
 from Tkinter import *
 import tkMessageBox
-import string, os
+import string
 
 class GetKeysDialog(Toplevel):
     def __init__(self,parent,title,action,currentKeySequences):
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 407e543..63880d6 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -1,5 +1,4 @@
 import sys
-import os
 import linecache
 import time
 import socket