diff --git a/deluge/common.py b/deluge/common.py
index c3270b14f..7246cd3fe 100644
--- a/deluge/common.py
+++ b/deluge/common.py
@@ -40,7 +40,6 @@ import os
 import time
 import subprocess
 import platform
-import sys
 import chardet
 import logging
 
diff --git a/deluge/core/core.py b/deluge/core/core.py
index 6d4c13793..983bfa75c 100644
--- a/deluge/core/core.py
+++ b/deluge/core/core.py
@@ -38,18 +38,10 @@ from deluge._libtorrent import lt
 import os
 import glob
 import base64
-import shutil
 import logging
 import threading
-import pkg_resources
-import warnings
 import tempfile
 
-
-from twisted.internet import reactor, defer
-from twisted.internet.task import LoopingCall
-import twisted.web.client
-
 from deluge.httpdownloader import download_file
 
 import deluge.configmanager
diff --git a/deluge/core/pluginmanager.py b/deluge/core/pluginmanager.py
index 119928979..5ef5ef55f 100644
--- a/deluge/core/pluginmanager.py
+++ b/deluge/core/pluginmanager.py
@@ -37,8 +37,6 @@
 """PluginManager for Core"""
 
 import logging
-from twisted.internet import reactor
-from twisted.internet.task import LoopingCall
 
 from deluge.event import PluginEnabledEvent, PluginDisabledEvent
 import deluge.pluginmanagerbase
diff --git a/deluge/core/preferencesmanager.py b/deluge/core/preferencesmanager.py
index a79659866..bc108c007 100644
--- a/deluge/core/preferencesmanager.py
+++ b/deluge/core/preferencesmanager.py
@@ -38,7 +38,6 @@ import os
 import logging
 import threading
 import pkg_resources
-from twisted.internet import reactor
 from twisted.internet.task import LoopingCall
 
 from deluge._libtorrent import lt
diff --git a/deluge/core/rpcserver.py b/deluge/core/rpcserver.py
index ef2e3342f..e309f7bda 100644
--- a/deluge/core/rpcserver.py
+++ b/deluge/core/rpcserver.py
@@ -43,7 +43,7 @@ import logging
 import traceback
 
 from twisted.internet.protocol import Factory, Protocol
-from twisted.internet import ssl, reactor, defer
+from twisted.internet import reactor, defer
 
 from OpenSSL import crypto, SSL
 from types import FunctionType
diff --git a/deluge/core/torrentmanager.py b/deluge/core/torrentmanager.py
index 4c57874fc..269fe0213 100644
--- a/deluge/core/torrentmanager.py
+++ b/deluge/core/torrentmanager.py
@@ -44,7 +44,6 @@ import operator
 import logging
 import re
 
-from twisted.internet import reactor
 from twisted.internet.task import LoopingCall
 
 from deluge._libtorrent import lt
@@ -569,7 +568,7 @@ class TorrentManager(component.Component):
         # Remove the torrent from deluge's session
         try:
             del self.torrents[torrent_id]
-        except KeyError, ValueError:
+        except (KeyError, ValueError):
             return False
 
         # Save the session state
diff --git a/deluge/maketorrent.py b/deluge/maketorrent.py
index 585dcaa4e..196399df7 100644
--- a/deluge/maketorrent.py
+++ b/deluge/maketorrent.py
@@ -38,7 +38,7 @@ import os
 from hashlib import sha1 as sha
 
 from deluge.common import get_path_size
-from deluge.bencode import bencode, bdecode
+from deluge.bencode import bencode
 
 class InvalidPath(Exception):
     """
diff --git a/deluge/rencode.py b/deluge/rencode.py
index 2b32c001b..1172df2e5 100644
--- a/deluge/rencode.py
+++ b/deluge/rencode.py
@@ -63,7 +63,6 @@ __all__ = ['dumps', 'loads']
 #
 
 import struct
-import string
 from threading import Lock
 
 # Default number of bits for serialized floats, either 32 or 64 (also a parameter for dumps()).
diff --git a/deluge/ui/gtkui/connectionmanager.py b/deluge/ui/gtkui/connectionmanager.py
index 9ce16ac3c..2ea302e76 100644
--- a/deluge/ui/gtkui/connectionmanager.py
+++ b/deluge/ui/gtkui/connectionmanager.py
@@ -35,7 +35,6 @@
 
 import gtk
 import pkg_resources
-import urlparse
 import time
 import hashlib
 import logging
diff --git a/deluge/ui/gtkui/mainwindow.py b/deluge/ui/gtkui/mainwindow.py
index 12fa5a96d..a3265d813 100644
--- a/deluge/ui/gtkui/mainwindow.py
+++ b/deluge/ui/gtkui/mainwindow.py
@@ -38,7 +38,6 @@ import pygtk
 pygtk.require('2.0')
 import gtk
 import gtk.glade
-import gobject
 import logging
 import pkg_resources
 from urlparse import urlparse
diff --git a/deluge/ui/gtkui/peers_tab.py b/deluge/ui/gtkui/peers_tab.py
index 20cdfbfad..b4a39ce55 100644
--- a/deluge/ui/gtkui/peers_tab.py
+++ b/deluge/ui/gtkui/peers_tab.py
@@ -40,7 +40,6 @@ import logging
 import os.path
 import cPickle
 import pkg_resources
-import gobject
 from itertools import izip
 
 from deluge.ui.client import client
diff --git a/deluge/ui/gtkui/torrentview.py b/deluge/ui/gtkui/torrentview.py
index 659010f05..46d9dbcc3 100644
--- a/deluge/ui/gtkui/torrentview.py
+++ b/deluge/ui/gtkui/torrentview.py
@@ -477,7 +477,7 @@ class TorrentView(listview.ListView, component.Component):
                 return []
 
             return torrent_ids
-        except ValueError, TypeError:
+        except (ValueError, TypeError):
             return []
 
     def get_torrent_status(self, torrent_id):