diff --git a/qubes/__init__.py b/qubes/__init__.py
index c17d11c3..5a85543f 100644
--- a/qubes/__init__.py
+++ b/qubes/__init__.py
@@ -54,7 +54,6 @@ import __builtin__
 import docutils.core
 import docutils.io
 import lxml.etree
-import xml.parsers.expat
 
 import qubes.ext
 
diff --git a/qubes/dochelpers.py b/qubes/dochelpers.py
index f055daf0..39ad9663 100644
--- a/qubes/dochelpers.py
+++ b/qubes/dochelpers.py
@@ -31,7 +31,6 @@ particularly our custom Sphinx extension.
 import csv
 import posixpath
 import re
-import sys
 import urllib2
 
 import docutils
diff --git a/qubes/plugins.py b/qubes/plugins.py
index d65c5c08..438a7436 100644
--- a/qubes/plugins.py
+++ b/qubes/plugins.py
@@ -28,9 +28,7 @@ Qubes uses two types of plugins: virtual machines and extensions.
 '''
 
 import imp
-import inspect
 import os
-import sys
 
 class Plugin(type):
     '''Base metaclass for plugins'''
diff --git a/qubes/storage/xen.py b/qubes/storage/xen.py
index 36390e8c..8e83c61c 100644
--- a/qubes/storage/xen.py
+++ b/qubes/storage/xen.py
@@ -28,8 +28,8 @@ from __future__ import absolute_import
 
 import os
 import os.path
+import re
 import subprocess
-import sys
 
 import lxml.etree
 
diff --git a/qubes/tests/events.py b/qubes/tests/events.py
index 9bee5b6c..4e5ff9fd 100644
--- a/qubes/tests/events.py
+++ b/qubes/tests/events.py
@@ -22,11 +22,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
-import sys
-import unittest
-
 import qubes.events
-
 import qubes.tests
 
 class TC_00_Emitter(qubes.tests.QubesTestCase):
diff --git a/qubes/tests/init.py b/qubes/tests/init.py
index 921b3cbb..f0223883 100644
--- a/qubes/tests/init.py
+++ b/qubes/tests/init.py
@@ -23,7 +23,6 @@
 #
 
 import os
-import sys
 import unittest
 
 import lxml.etree
diff --git a/qubes/tests/vm/adminvm.py b/qubes/tests/vm/adminvm.py
index 86219837..02e8dd57 100644
--- a/qubes/tests/vm/adminvm.py
+++ b/qubes/tests/vm/adminvm.py
@@ -22,7 +22,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
-import sys
 import unittest
 
 import qubes
diff --git a/qubes/tests/vm/init.py b/qubes/tests/vm/init.py
index 1a6e077c..ea442b65 100644
--- a/qubes/tests/vm/init.py
+++ b/qubes/tests/vm/init.py
@@ -22,9 +22,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
-import sys
-import unittest
-
 import lxml.etree
 
 import qubes
diff --git a/qubes/tests/vm/qubesvm.py b/qubes/tests/vm/qubesvm.py
index bcdd0b22..30ed92fa 100644
--- a/qubes/tests/vm/qubesvm.py
+++ b/qubes/tests/vm/qubesvm.py
@@ -22,7 +22,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
-import sys
 import unittest
 
 import qubes
diff --git a/qubes/utils.py b/qubes/utils.py
index bb448a5a..36ca1ca3 100644
--- a/qubes/utils.py
+++ b/qubes/utils.py
@@ -24,6 +24,10 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 
+import os
+import re
+import subprocess
+
 
 def get_timezone():
     # fc18
diff --git a/qubes/vm/__init__.py b/qubes/vm/__init__.py
index 5a8d9ccb..5d33101e 100644
--- a/qubes/vm/__init__.py
+++ b/qubes/vm/__init__.py
@@ -30,8 +30,13 @@
 
 import ast
 import collections
+import datetime
 import functools
+import os
+import re
+import subprocess
 import sys
+import xml.parsers.expat
 
 import lxml.etree
 
diff --git a/qubes/vm/qubesvm.py b/qubes/vm/qubesvm.py
index e5cc955a..b4c05302 100644
--- a/qubes/vm/qubesvm.py
+++ b/qubes/vm/qubesvm.py
@@ -34,9 +34,7 @@ import subprocess
 import sys
 import time
 import uuid
-import xml.parsers.expat
 import libvirt
-import warnings
 
 import qubes
 import qubes.config