diff --git a/Lib/idlelib/OutputWindow.py b/Lib/idlelib/OutputWindow.py
index 181238f..7522720 100644
--- a/Lib/idlelib/OutputWindow.py
+++ b/Lib/idlelib/OutputWindow.py
@@ -2,7 +2,6 @@
 from EditorWindow import EditorWindow
 import re
 import tkMessageBox
-import IOBinding
 
 class OutputWindow(EditorWindow):
 
@@ -35,14 +34,6 @@
     # Act as output file
 
     def write(self, s, tags=(), mark="insert"):
-        # Tk assumes that byte strings are Latin-1;
-        # we assume that they are in the locale's encoding
-        if isinstance(s, str):
-            try:
-                s = unicode(s, IOBinding.encoding)
-            except UnicodeError:
-                # some other encoding; let Tcl deal with it
-                pass
         self.text.insert(mark, s, tags)
         self.text.see(mark)
         self.text.update()