diff --git a/tests/regressiontests/utils/checksums.py b/tests/regressiontests/utils/checksums.py
index bb73576a80..cee6dca2a8 100644
--- a/tests/regressiontests/utils/checksums.py
+++ b/tests/regressiontests/utils/checksums.py
@@ -1,8 +1,8 @@
-from django.test import TestCase
+import unittest
 
 from django.utils import checksums
 
-class TestUtilsChecksums(TestCase):
+class TestUtilsChecksums(unittest.TestCase):
 
     def check_output(self, function, value, output=None):
         """
diff --git a/tests/regressiontests/utils/datastructures.py b/tests/regressiontests/utils/datastructures.py
index a353a32404..e684694d7c 100644
--- a/tests/regressiontests/utils/datastructures.py
+++ b/tests/regressiontests/utils/datastructures.py
@@ -1,7 +1,8 @@
-from django.test import TestCase
+import unittest
+
 from django.utils.datastructures import SortedDict
 
-class DatastructuresTests(TestCase):
+class DatastructuresTests(unittest.TestCase):
     def setUp(self):
         self.d1 = SortedDict()
         self.d1[7] = 'seven'
diff --git a/tests/regressiontests/utils/dateformat.py b/tests/regressiontests/utils/dateformat.py
index b80010f8d8..d83e3e191c 100644
--- a/tests/regressiontests/utils/dateformat.py
+++ b/tests/regressiontests/utils/dateformat.py
@@ -1,10 +1,11 @@
-import os
-from unittest import TestCase
 from datetime import datetime, date
+import os
+import unittest
+
 from django.utils.dateformat import format
 from django.utils.tzinfo import FixedOffset, LocalTimezone
 
-class DateFormatTests(TestCase):
+class DateFormatTests(unittest.TestCase):
     def test_date(self):
         d = date(2009, 5, 16)
         self.assertEquals(date.fromtimestamp(int(format(d, 'U'))), d)
diff --git a/tests/regressiontests/utils/datetime_safe.py b/tests/regressiontests/utils/datetime_safe.py
index 62b9c7481f..458a6b79f8 100644
--- a/tests/regressiontests/utils/datetime_safe.py
+++ b/tests/regressiontests/utils/datetime_safe.py
@@ -1,9 +1,9 @@
-from django.test import TestCase
+import unittest
 
 from datetime import date as original_date, datetime as original_datetime
 from django.utils.datetime_safe import date, datetime
 
-class DatetimeTests(TestCase):
+class DatetimeTests(unittest.TestCase):
 
     def setUp(self):
         self.just_safe = (1900, 1, 1)
diff --git a/tests/regressiontests/utils/feedgenerator.py b/tests/regressiontests/utils/feedgenerator.py
index 5a10de2d1b..9085d41c06 100644
--- a/tests/regressiontests/utils/feedgenerator.py
+++ b/tests/regressiontests/utils/feedgenerator.py
@@ -1,9 +1,9 @@
 import datetime
-from unittest import TestCase
+import unittest
 
 from django.utils import feedgenerator, tzinfo
 
-class FeedgeneratorTest(TestCase):
+class FeedgeneratorTest(unittest.TestCase):
     """
     Tests for the low-level syndication feed framework.
     """
diff --git a/tests/regressiontests/utils/functional.py b/tests/regressiontests/utils/functional.py
index 72610154d8..206a5838b5 100644
--- a/tests/regressiontests/utils/functional.py
+++ b/tests/regressiontests/utils/functional.py
@@ -1,9 +1,9 @@
-from unittest import TestCase
+import unittest
 
 from django.utils.functional import lazy
 
 
-class FunctionalTestCase(TestCase):
+class FunctionalTestCase(unittest.TestCase):
     def test_lazy(self):
         t = lazy(lambda: tuple(range(3)), list, tuple)
         for a, b in zip(t(), range(3)):
diff --git a/tests/regressiontests/utils/html.py b/tests/regressiontests/utils/html.py
index 61ca6f4c53..a9b0d337f2 100644
--- a/tests/regressiontests/utils/html.py
+++ b/tests/regressiontests/utils/html.py
@@ -1,8 +1,8 @@
-from django.test import TestCase
+import unittest
 
 from django.utils import html
 
-class TestUtilsHtml(TestCase):
+class TestUtilsHtml(unittest.TestCase):
 
     def check_output(self, function, value, output=None):
         """
diff --git a/tests/regressiontests/utils/module_loading.py b/tests/regressiontests/utils/module_loading.py
index b7df6d68b1..4422f8f5d8 100644
--- a/tests/regressiontests/utils/module_loading.py
+++ b/tests/regressiontests/utils/module_loading.py
@@ -1,12 +1,12 @@
 import os
 import sys
-from unittest import TestCase
+import unittest
 from zipimport import zipimporter
 
 from django.utils.importlib import import_module
 from django.utils.module_loading import module_has_submodule
 
-class DefaultLoader(TestCase):
+class DefaultLoader(unittest.TestCase):
     def test_loader(self):
         "Normal module existence can be tested"
         test_module = import_module('regressiontests.utils.test_module')
@@ -24,7 +24,7 @@ class DefaultLoader(TestCase):
         self.assertFalse(module_has_submodule(test_module, 'no_such_module'))
         self.assertRaises(ImportError, import_module, 'regressiontests.utils.test_module.no_such_module')
 
-class EggLoader(TestCase):
+class EggLoader(unittest.TestCase):
     def setUp(self):
         self.old_path = sys.path
         self.egg_dir = '%s/eggs' % os.path.dirname(__file__)
diff --git a/tests/regressiontests/utils/simplelazyobject.py b/tests/regressiontests/utils/simplelazyobject.py
index 1df55aa885..4a930dd69b 100644
--- a/tests/regressiontests/utils/simplelazyobject.py
+++ b/tests/regressiontests/utils/simplelazyobject.py
@@ -1,5 +1,6 @@
-from django.test import TestCase
+import unittest
 
+import django.utils.copycompat as copy
 from django.utils.functional import SimpleLazyObject
 
 class _ComplexObject(object):
@@ -23,7 +24,7 @@ class _ComplexObject(object):
 
 complex_object = lambda: _ComplexObject("joe")
 
-class TestUtilsSimpleLazyObject(TestCase):
+class TestUtilsSimpleLazyObject(unittest.TestCase):
     """
     Tests for SimpleLazyObject
     """
@@ -59,7 +60,6 @@ class TestUtilsSimpleLazyObject(TestCase):
         self.assertEqual(_ComplexObject, SimpleLazyObject(complex_object).__class__)
 
     def test_deepcopy(self):
-        import django.utils.copycompat as copy
         # Check that we *can* do deep copy, and that it returns the right
         # objects.
 
diff --git a/tests/regressiontests/utils/termcolors.py b/tests/regressiontests/utils/termcolors.py
index 7c8fe0d63b..ccae32cd16 100644
--- a/tests/regressiontests/utils/termcolors.py
+++ b/tests/regressiontests/utils/termcolors.py
@@ -1,8 +1,8 @@
-from unittest import TestCase
+import unittest
 
 from django.utils.termcolors import parse_color_setting, PALETTES, DEFAULT_PALETTE, LIGHT_PALETTE, DARK_PALETTE, NOCOLOR_PALETTE
 
-class TermColorTests(TestCase):
+class TermColorTests(unittest.TestCase):
 
     def test_empty_string(self):
         self.assertEquals(parse_color_setting(''), PALETTES[DEFAULT_PALETTE])
diff --git a/tests/regressiontests/utils/text.py b/tests/regressiontests/utils/text.py
index 7cf52ca92c..e7d2d38d3b 100644
--- a/tests/regressiontests/utils/text.py
+++ b/tests/regressiontests/utils/text.py
@@ -1,8 +1,8 @@
-from django.test import TestCase
+import unittest
 
 from django.utils import text
 
-class TestUtilsText(TestCase):
+class TestUtilsText(unittest.TestCase):
     def test_truncate_words(self):
         self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
             text.truncate_words(u'The quick brown fox jumped over the lazy dog.', 10))
diff --git a/tests/regressiontests/utils/timesince.py b/tests/regressiontests/utils/timesince.py
index d751121730..774aa3f7cd 100644
--- a/tests/regressiontests/utils/timesince.py
+++ b/tests/regressiontests/utils/timesince.py
@@ -1,11 +1,10 @@
-from django.test import TestCase
-
 import datetime
+import unittest
 
 from django.utils.timesince import timesince, timeuntil
 from django.utils.tzinfo import LocalTimezone, FixedOffset
 
-class TimesinceTests(TestCase):
+class TimesinceTests(unittest.TestCase):
 
     def setUp(self):
         self.t = datetime.datetime(2007, 8, 14, 13, 46, 0)
diff --git a/tests/regressiontests/utils/tzinfo.py b/tests/regressiontests/utils/tzinfo.py
index 60fc0b942e..edbb9a70da 100644
--- a/tests/regressiontests/utils/tzinfo.py
+++ b/tests/regressiontests/utils/tzinfo.py
@@ -1,8 +1,8 @@
-from django.test import TestCase
+import unittest
 
 from django.utils.tzinfo import FixedOffset
 
-class TzinfoTests(TestCase):
+class TzinfoTests(unittest.TestCase):
 
     def test_fixedoffset(self):
         self.assertEquals(repr(FixedOffset(0)), '+0000')