diff --git a/django/contrib/admin/views/decorators.py b/django/contrib/admin/views/decorators.py
index 4f6662c970..d16fc9ab71 100644
--- a/django/contrib/admin/views/decorators.py
+++ b/django/contrib/admin/views/decorators.py
@@ -5,7 +5,7 @@ from django.contrib.auth import authenticate, login
 from django.shortcuts import render_to_response
 from django.utils.translation import ugettext_lazy, ugettext as _
 from django.utils.safestring import mark_safe
-import base64, datetime, md5
+import base64, md5
 import cPickle as pickle
 
 ERROR_MESSAGE = ugettext_lazy("Please enter a correct username and password. Note that both fields are case-sensitive.")
diff --git a/django/contrib/databrowse/plugins/calendars.py b/django/contrib/databrowse/plugins/calendars.py
index 5d5a020e6d..a798868b55 100644
--- a/django/contrib/databrowse/plugins/calendars.py
+++ b/django/contrib/databrowse/plugins/calendars.py
@@ -8,8 +8,6 @@ from django.utils.translation import get_date_formats
 from django.utils.encoding import force_unicode
 from django.utils.safestring import mark_safe
 from django.views.generic import date_based
-import datetime
-import time
 
 class CalendarPlugin(DatabrowsePlugin):
     def __init__(self, field_names=None):
diff --git a/django/contrib/databrowse/plugins/fieldchoices.py b/django/contrib/databrowse/plugins/fieldchoices.py
index dea6bac700..0a58e7a6ab 100644
--- a/django/contrib/databrowse/plugins/fieldchoices.py
+++ b/django/contrib/databrowse/plugins/fieldchoices.py
@@ -7,8 +7,6 @@ from django.utils.text import capfirst
 from django.utils.encoding import smart_str, force_unicode
 from django.utils.safestring import mark_safe
 from django.views.generic import date_based
-import datetime
-import time
 import urllib
 
 class FieldChoicePlugin(DatabrowsePlugin):
diff --git a/django/contrib/databrowse/views.py b/django/contrib/databrowse/views.py
index d493f9dad3..c17aad5d85 100644
--- a/django/contrib/databrowse/views.py
+++ b/django/contrib/databrowse/views.py
@@ -2,8 +2,6 @@ from django.db.models import FieldDoesNotExist, DateTimeField
 from django.http import Http404
 from django.shortcuts import render_to_response
 from django.contrib.databrowse.datastructures import EasyModel, EasyChoice
-import datetime
-import time
 
 ###########
 # CHOICES #
diff --git a/django/contrib/formtools/preview.py b/django/contrib/formtools/preview.py
index bd0ce5cbb7..66583dde95 100644
--- a/django/contrib/formtools/preview.py
+++ b/django/contrib/formtools/preview.py
@@ -3,7 +3,6 @@ Formtools Preview application.
 """
 
 from django.conf import settings
-from django.core.exceptions import ImproperlyConfigured
 from django.http import Http404
 from django.shortcuts import render_to_response
 from django.template.context import RequestContext
diff --git a/django/contrib/formtools/tests.py b/django/contrib/formtools/tests.py
index a5a9222c46..feda6e041e 100644
--- a/django/contrib/formtools/tests.py
+++ b/django/contrib/formtools/tests.py
@@ -3,8 +3,6 @@ from django.contrib.formtools import preview
 from django import http
 from django.conf import settings
 from django.test import TestCase
-from django.test.client import Client
-
 
 success_string = "Done was called!"
 test_data = {'field1': u'foo',
@@ -88,6 +86,3 @@ class PreviewTests(TestCase):
         response = self.client.post('/test1/', test_data)
         self.assertEqual(response.content, success_string)
 
-
-if __name__ == '__main__':
-    unittest.main()
diff --git a/django/contrib/humanize/templatetags/humanize.py b/django/contrib/humanize/templatetags/humanize.py
index 4aa5a32e3f..05d322363b 100644
--- a/django/contrib/humanize/templatetags/humanize.py
+++ b/django/contrib/humanize/templatetags/humanize.py
@@ -2,8 +2,7 @@ from django.utils.translation import ungettext, ugettext as _
 from django.utils.encoding import force_unicode
 from django import template
 from django.template import defaultfilters
-from django.conf import settings
-from datetime import date, timedelta
+from datetime import date
 import re
 
 register = template.Library()
diff --git a/django/contrib/localflavor/ar/forms.py b/django/contrib/localflavor/ar/forms.py
index 7827698e77..b23923b47a 100644
--- a/django/contrib/localflavor/ar/forms.py
+++ b/django/contrib/localflavor/ar/forms.py
@@ -7,7 +7,6 @@ from django.newforms import ValidationError
 from django.newforms.fields import RegexField, CharField, Select, EMPTY_VALUES
 from django.utils.encoding import smart_unicode
 from django.utils.translation import ugettext
-import re
 
 class ARProvinceSelect(Select):
     """
diff --git a/django/contrib/localflavor/generic/forms.py b/django/contrib/localflavor/generic/forms.py
index a6d813723c..a5e431e4b3 100644
--- a/django/contrib/localflavor/generic/forms.py
+++ b/django/contrib/localflavor/generic/forms.py
@@ -1,38 +1,38 @@
-from django import newforms as forms
-
-DEFAULT_DATE_INPUT_FORMATS = (
-    '%Y-%m-%d', '%d/%m/%Y', '%d/%m/%y', # '2006-10-25', '25/10/2006', '25/10/06'
-    '%b %d %Y', '%b %d, %Y',            # 'Oct 25 2006', 'Oct 25, 2006'
-    '%d %b %Y', '%d %b, %Y',            # '25 Oct 2006', '25 Oct, 2006'
-    '%B %d %Y', '%B %d, %Y',            # 'October 25 2006', 'October 25, 2006'
-    '%d %B %Y', '%d %B, %Y',            # '25 October 2006', '25 October, 2006'
-)
-
-DEFAULT_DATETIME_INPUT_FORMATS = (
-    '%Y-%m-%d %H:%M:%S',     # '2006-10-25 14:30:59'
-    '%Y-%m-%d %H:%M',        # '2006-10-25 14:30'
-    '%Y-%m-%d',              # '2006-10-25'
-    '%d/%m/%Y %H:%M:%S',     # '25/10/2006 14:30:59'
-    '%d/%m/%Y %H:%M',        # '25/10/2006 14:30'
-    '%d/%m/%Y',              # '25/10/2006'
-    '%d/%m/%y %H:%M:%S',     # '25/10/06 14:30:59'
-    '%d/%m/%y %H:%M',        # '25/10/06 14:30'
-    '%d/%m/%y',              # '25/10/06'
-)
-
-class DateField(forms.DateField):
-    """
-    A date input field which uses non-US date input formats by default.
-    """
-    def __init__(self, input_formats=None, *args, **kwargs):
-        input_formats = input_formats or DEFAULT_DATE_INPUT_FORMATS
-        super(DateField, self).__init__(input_formats=input_formats, *args, **kwargs)
-
-class DateTimeField(forms.DateTimeField):
-    """
-    A date and time input field which uses non-US date and time input formats
-    by default.
-    """
-    def __init__(self, input_formats=None, *args, **kwargs):
-        input_formats = input_formats or DEFAULT_DATETIME_INPUT_FORMATS
-        super(DateTimeField, self).__init__(input_formats=input_formats, *args, **kwargs)
+from django import newforms as forms
+
+DEFAULT_DATE_INPUT_FORMATS = (
+    '%Y-%m-%d', '%d/%m/%Y', '%d/%m/%y', # '2006-10-25', '25/10/2006', '25/10/06'
+    '%b %d %Y', '%b %d, %Y',            # 'Oct 25 2006', 'Oct 25, 2006'
+    '%d %b %Y', '%d %b, %Y',            # '25 Oct 2006', '25 Oct, 2006'
+    '%B %d %Y', '%B %d, %Y',            # 'October 25 2006', 'October 25, 2006'
+    '%d %B %Y', '%d %B, %Y',            # '25 October 2006', '25 October, 2006'
+)
+
+DEFAULT_DATETIME_INPUT_FORMATS = (
+    '%Y-%m-%d %H:%M:%S',     # '2006-10-25 14:30:59'
+    '%Y-%m-%d %H:%M',        # '2006-10-25 14:30'
+    '%Y-%m-%d',              # '2006-10-25'
+    '%d/%m/%Y %H:%M:%S',     # '25/10/2006 14:30:59'
+    '%d/%m/%Y %H:%M',        # '25/10/2006 14:30'
+    '%d/%m/%Y',              # '25/10/2006'
+    '%d/%m/%y %H:%M:%S',     # '25/10/06 14:30:59'
+    '%d/%m/%y %H:%M',        # '25/10/06 14:30'
+    '%d/%m/%y',              # '25/10/06'
+)
+
+class DateField(forms.DateField):
+    """
+    A date input field which uses non-US date input formats by default.
+    """
+    def __init__(self, input_formats=None, *args, **kwargs):
+        input_formats = input_formats or DEFAULT_DATE_INPUT_FORMATS
+        super(DateField, self).__init__(input_formats=input_formats, *args, **kwargs)
+
+class DateTimeField(forms.DateTimeField):
+    """
+    A date and time input field which uses non-US date and time input formats
+    by default.
+    """
+    def __init__(self, input_formats=None, *args, **kwargs):
+        input_formats = input_formats or DEFAULT_DATETIME_INPUT_FORMATS
+        super(DateTimeField, self).__init__(input_formats=input_formats, *args, **kwargs)
diff --git a/django/contrib/localflavor/jp/forms.py b/django/contrib/localflavor/jp/forms.py
index 13083aab6e..d726f822d7 100644
--- a/django/contrib/localflavor/jp/forms.py
+++ b/django/contrib/localflavor/jp/forms.py
@@ -7,8 +7,6 @@ from django.newforms import ValidationError
 from django.utils.translation import ugettext
 from django.newforms.fields import RegexField, Select
 
-import re
-
 class JPPostalCodeField(RegexField):
     """
     A form field that validates its input is a Japanese postcode.
diff --git a/django/contrib/sessions/models.py b/django/contrib/sessions/models.py
index dfa7bed226..4769e63b1b 100644
--- a/django/contrib/sessions/models.py
+++ b/django/contrib/sessions/models.py
@@ -1,10 +1,5 @@
-import os
-import sys
-import time
-import datetime
 import base64
 import md5
-import random
 import cPickle as pickle
 
 from django.db import models
diff --git a/django/contrib/webdesign/tests.py b/django/contrib/webdesign/tests.py
index da9237a43b..d155620902 100644
--- a/django/contrib/webdesign/tests.py
+++ b/django/contrib/webdesign/tests.py
@@ -14,7 +14,6 @@ u'lorem ipsum dolor'
 """
 
 from django.contrib.webdesign.lorem_ipsum import *
-import datetime
 
 if __name__ == '__main__':
     import doctest
diff --git a/django/core/serializers/json.py b/django/core/serializers/json.py
index e17b821f52..20797c02f6 100644
--- a/django/core/serializers/json.py
+++ b/django/core/serializers/json.py
@@ -4,7 +4,6 @@ Serialize data to/from JSON
 
 import datetime
 from django.utils import simplejson
-from django.utils.simplejson import decoder
 from django.core.serializers.python import Serializer as PythonSerializer
 from django.core.serializers.python import Deserializer as PythonDeserializer
 try:
diff --git a/django/core/serializers/pyyaml.py b/django/core/serializers/pyyaml.py
index 4c32a9686f..58cf59bed9 100644
--- a/django/core/serializers/pyyaml.py
+++ b/django/core/serializers/pyyaml.py
@@ -4,7 +4,6 @@ YAML serializer.
 Requires PyYaml (http://pyyaml.org/), but that's checked for in __init__.
 """
 
-import datetime
 from django.db import models
 from django.core.serializers.python import Serializer as PythonSerializer
 from django.core.serializers.python import Deserializer as PythonDeserializer
diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index ba3e9efda8..697dcd3a67 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -21,7 +21,6 @@ if (version < (1,2,1) or (version[:3] == (1, 2, 1) and
 
 from MySQLdb.converters import conversions
 from MySQLdb.constants import FIELD_TYPE
-import types
 import re
 
 # Raise exceptions for database warnings if DEBUG is on
diff --git a/django/test/_doctest.py b/django/test/_doctest.py
index d1308b855e..a56483c3ab 100644
--- a/django/test/_doctest.py
+++ b/django/test/_doctest.py
@@ -100,7 +100,7 @@ __all__ = [
 
 import __future__
 
-import sys, traceback, inspect, linecache, os, re, types
+import sys, traceback, inspect, linecache, os, re
 import unittest, difflib, pdb, tempfile
 import warnings
 from StringIO import StringIO
diff --git a/django/test/client.py b/django/test/client.py
index b02d298418..67d3aa9030 100644
--- a/django/test/client.py
+++ b/django/test/client.py
@@ -1,7 +1,5 @@
-import datetime
 import sys
 from cStringIO import StringIO
-from urlparse import urlparse
 from django.conf import settings
 from django.contrib.auth import authenticate, login
 from django.core.handlers.base import BaseHandler
diff --git a/django/test/simple.py b/django/test/simple.py
index 6fa381ac4d..43e1156a0a 100644
--- a/django/test/simple.py
+++ b/django/test/simple.py
@@ -146,4 +146,3 @@ def run_tests(test_labels, verbosity=1, interactive=True, extra_tests=[]):
     teardown_test_environment()
     
     return len(result.failures) + len(result.errors)
-    
\ No newline at end of file