diff --git a/src/calibre/__init__.py b/src/calibre/__init__.py
index 79467dd5b4..f3ebd37741 100644
--- a/src/calibre/__init__.py
+++ b/src/calibre/__init__.py
@@ -1,7 +1,7 @@
 ''' E-book management software'''
 __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
-__version__   = '0.4.82'
+__version__   = '0.4.83'
 __docformat__ = "epytext"
 __author__    = "Kovid Goyal <kovid at kovidgoyal.net>"
 __appname__   = 'calibre'
diff --git a/src/calibre/gui2/device.py b/src/calibre/gui2/device.py
index 9d76f6cf67..2dab6aceb5 100644
--- a/src/calibre/gui2/device.py
+++ b/src/calibre/gui2/device.py
@@ -4,7 +4,6 @@ import os, traceback
 
 from PyQt4.QtCore import QThread, SIGNAL, QObject
 
-from calibre import iswindows
 from calibre.devices import devices
 from calibre.devices.scanner import DeviceScanner