diff --git a/Lib/idlelib/Debugger.py b/Lib/idlelib/Debugger.py
index f56460a..df691ed 100644
--- a/Lib/idlelib/Debugger.py
+++ b/Lib/idlelib/Debugger.py
@@ -348,8 +348,7 @@
             funcname = code.co_name
             import linecache
             sourceline = linecache.getline(filename, lineno)
-            import string
-            sourceline = string.strip(sourceline)
+            sourceline = sourceline.strip()
             if funcname in ("?", "", None):
                 item = "%s, line %d: %s" % (modname, lineno, sourceline)
             else:
diff --git a/Lib/idlelib/MultiCall.py b/Lib/idlelib/MultiCall.py
index 1bb1576..61730b8 100644
--- a/Lib/idlelib/MultiCall.py
+++ b/Lib/idlelib/MultiCall.py
@@ -31,7 +31,6 @@
 
 import sys
 import os
-import string
 import re
 import Tkinter
 
@@ -244,7 +243,7 @@
     """
     if not sequence or sequence[0] != '<' or sequence[-1] != '>':
         return None
-    words = string.split(sequence[1:-1], '-')
+    words = '-'.split(sequence[1:-1])
 
     modifiers = 0
     while words and words[0] in _modifier_names:
diff --git a/Lib/idlelib/aboutDialog.py b/Lib/idlelib/aboutDialog.py
index c121061..afdafd2 100644
--- a/Lib/idlelib/aboutDialog.py
+++ b/Lib/idlelib/aboutDialog.py
@@ -3,7 +3,7 @@
 """
 
 from Tkinter import *
-import string, os
+import os
 import textView
 import idlever
 
@@ -70,7 +70,7 @@
         tkVer[len(tkVer)-1] = str('%.3g' % (float('.'+tkVer[len(tkVer)-1])))[2:]
         if tkVer[len(tkVer)-1] == '':
             tkVer[len(tkVer)-1] = '0'
-        tkVer = string.join(tkVer,'.')
+        tkVer = '.'.join(tkVer)
         labelTkVer = Label(frameBg, text='Tk version:  '+
                            tkVer, fg=self.fg, bg=self.bg)
         labelTkVer.grid(row=9, column=1, sticky=W, padx=2, pady=0)
diff --git a/Lib/idlelib/configDialog.py b/Lib/idlelib/configDialog.py
index c1cbf82..eadb69d 100644
--- a/Lib/idlelib/configDialog.py
+++ b/Lib/idlelib/configDialog.py
@@ -11,7 +11,7 @@
 """
 from Tkinter import *
 import tkMessageBox, tkColorChooser, tkFont
-import string, copy
+import copy
 
 from configHandler import idleConf
 from dynOptionMenuWidget import DynOptionMenu
@@ -650,7 +650,7 @@
         newKeys={}
         for event in prevKeys.keys(): #add key set to changed items
             eventName=event[2:-2] #trim off the angle brackets
-            binding=string.join(prevKeys[event])
+            binding=' '.join(prevKeys[event])
             newKeys[eventName]=binding
         #handle any unsaved changes to prev key set
         if prevKeySetName in self.changedItems['keys'].keys():
@@ -677,7 +677,7 @@
         bindNames.sort()
         self.listBindings.delete(0,END)
         for bindName in bindNames:
-            key=string.join(keySet[bindName]) #make key(s) into a string
+            key=' '.join(keySet[bindName]) #make key(s) into a string
             bindName=bindName[2:-2] #trim off the angle brackets
             if keySetName in self.changedItems['keys'].keys():
                 #handle any unsaved changes to this key set
@@ -914,7 +914,7 @@
         self.changedItems['main']['HelpFiles'] = {}
         for num in range(1,len(self.userHelpList)+1):
             self.AddChangedItem('main','HelpFiles',str(num),
-                    string.join(self.userHelpList[num-1][:2],';'))
+                    ';'.join(self.userHelpList[num-1][:2]))
 
     def LoadFontCfg(self):
         ##base editor font selection list
diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index 0a08de2..963cf95 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -19,7 +19,6 @@
 """
 import os
 import sys
-import string
 import macosxSupport
 from ConfigParser import ConfigParser, NoOptionError, NoSectionError
 
@@ -632,7 +631,7 @@
                 menuItem='' #make these empty
                 helpPath='' #so value won't be added to list
             else: #config entry contains ';' as expected
-                value=string.split(value,';')
+                value=value.split(';')
                 menuItem=value[0].strip()
                 helpPath=value[1].strip()
             if menuItem and helpPath: #neither are empty strings
diff --git a/Lib/idlelib/keybindingDialog.py b/Lib/idlelib/keybindingDialog.py
index 69900f9..16db557 100644
--- a/Lib/idlelib/keybindingDialog.py
+++ b/Lib/idlelib/keybindingDialog.py
@@ -163,7 +163,7 @@
         if finalKey:
             finalKey = self.TranslateKey(finalKey, modifiers)
             keyList.append(finalKey)
-        self.keyString.set('<' + string.join(keyList,'-') + '>')
+        self.keyString.set('<' + '-'.join(keyList) + '>')
 
     def GetModifiers(self):
         modList = [variable.get() for variable in self.modifier_vars]