diff --git a/tests/call_function_test.py b/tests/call_function_test.py
index 04ecf169..cc6c32b6 100644
--- a/tests/call_function_test.py
+++ b/tests/call_function_test.py
@@ -1,7 +1,7 @@
 import logging
 import time
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.core
 import mitogen.master
@@ -89,4 +89,4 @@ class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/channel_test.py b/tests/channel_test.py
index d879341a..31d3f35d 100644
--- a/tests/channel_test.py
+++ b/tests/channel_test.py
@@ -1,4 +1,4 @@
-import unittest2 as unittest
+import unittest2
 
 import mitogen.core
 import testlib
@@ -17,4 +17,4 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/fakessh_test.py b/tests/fakessh_test.py
index 9e37945b..6e28be1d 100644
--- a/tests/fakessh_test.py
+++ b/tests/fakessh_test.py
@@ -2,14 +2,14 @@
 import os
 import shutil
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.fakessh
 
 import testlib
 
 
-class RsyncTest(testlib.DockerMixin, unittest.TestCase):
+class RsyncTest(testlib.DockerMixin, unittest2.TestCase):
     def test_rsync_from_master(self):
         context = self.docker_ssh_any()
 
@@ -60,4 +60,4 @@ class RsyncTest(testlib.DockerMixin, unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/first_stage_test.py b/tests/first_stage_test.py
index c94af2b5..d9a11956 100644
--- a/tests/first_stage_test.py
+++ b/tests/first_stage_test.py
@@ -1,7 +1,7 @@
 
 import subprocess
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 import testlib
@@ -40,4 +40,4 @@ class CommandLineTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/id_allocation_test.py b/tests/id_allocation_test.py
index 2dae132c..9cf36cb3 100644
--- a/tests/id_allocation_test.py
+++ b/tests/id_allocation_test.py
@@ -1,5 +1,5 @@
 
-import unittest2 as unittest
+import unittest2
 
 import testlib
 import id_allocation
@@ -13,4 +13,4 @@ class SlaveTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/importer_test.py b/tests/importer_test.py
index 489e24d6..b4f742c9 100644
--- a/tests/importer_test.py
+++ b/tests/importer_test.py
@@ -6,7 +6,7 @@ import zlib
 
 import mock
 import pytest
-import unittest2 as unittest
+import unittest2
 
 import mitogen.core
 import testlib
@@ -128,4 +128,4 @@ class EmailParseAddrSysTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/local_test.py b/tests/local_test.py
index 12b8b15b..8ba248da 100644
--- a/tests/local_test.py
+++ b/tests/local_test.py
@@ -1,7 +1,7 @@
 
 import os
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen
 import mitogen.ssh
@@ -11,7 +11,7 @@ import testlib
 import plain_old_module
 
 
-class LocalTest(testlib.RouterMixin, unittest.TestCase):
+class LocalTest(testlib.RouterMixin, unittest2.TestCase):
     stream_class = mitogen.ssh.Stream
 
     def test_stream_name(self):
@@ -21,4 +21,4 @@ class LocalTest(testlib.RouterMixin, unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/master_test.py b/tests/master_test.py
index 33b25565..7458f020 100644
--- a/tests/master_test.py
+++ b/tests/master_test.py
@@ -2,13 +2,13 @@
 import subprocess
 import time
 
-import unittest2 as unittest
+import unittest2
 
 import testlib
 import mitogen.master
 
 
-class ScanCodeImportsTest(unittest.TestCase):
+class ScanCodeImportsTest(unittest2.TestCase):
     func = staticmethod(mitogen.master.scan_code_imports)
 
     def test_simple(self):
@@ -22,7 +22,7 @@ class ScanCodeImportsTest(unittest.TestCase):
         ])
 
 
-class IterReadTest(unittest.TestCase):
+class IterReadTest(unittest2.TestCase):
     func = staticmethod(mitogen.master.iter_read)
 
     def make_proc(self):
@@ -74,7 +74,7 @@ class IterReadTest(unittest.TestCase):
             proc.terminate()
 
 
-class WriteAllTest(unittest.TestCase):
+class WriteAllTest(unittest2.TestCase):
     func = staticmethod(mitogen.master.write_all)
 
     def make_proc(self):
@@ -115,4 +115,4 @@ class WriteAllTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/module_finder_test.py b/tests/module_finder_test.py
index 46b3a3be..1b18e748 100644
--- a/tests/module_finder_test.py
+++ b/tests/module_finder_test.py
@@ -1,6 +1,6 @@
 import inspect
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 
@@ -146,4 +146,4 @@ class FindRelatedImportsTest(testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/nested_test.py b/tests/nested_test.py
index 4ce58c06..c11c2e4e 100644
--- a/tests/nested_test.py
+++ b/tests/nested_test.py
@@ -1,6 +1,6 @@
 import os
 
-import unittest2 as unittest
+import unittest2
 
 import testlib
 
@@ -17,4 +17,4 @@ class NestedTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/responder_test.py b/tests/responder_test.py
index 5891b0ca..7256cb88 100644
--- a/tests/responder_test.py
+++ b/tests/responder_test.py
@@ -3,7 +3,7 @@ import mock
 import subprocess
 import sys
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 import testlib
@@ -12,7 +12,7 @@ import plain_old_module
 import simple_pkg.a
 
 
-class GoodModulesTest(testlib.RouterMixin, unittest.TestCase):
+class GoodModulesTest(testlib.RouterMixin, unittest2.TestCase):
     def test_plain_old_module(self):
         # The simplest case: a top-level module with no interesting imports or
         # package machinery damage.
@@ -34,7 +34,7 @@ class GoodModulesTest(testlib.RouterMixin, unittest.TestCase):
         self.assertEquals(output, "['__main__', 50]\n")
 
 
-class BrokenModulesTest(unittest.TestCase):
+class BrokenModulesTest(unittest2.TestCase):
     def test_obviously_missing(self):
         # Ensure we don't crash in the case of a module legitimately being
         # unavailable. Should never happen in the real world.
@@ -79,4 +79,4 @@ class BrokenModulesTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/select_test.py b/tests/select_test.py
index 44af5f47..bf73561d 100644
--- a/tests/select_test.py
+++ b/tests/select_test.py
@@ -1,5 +1,5 @@
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 
@@ -262,4 +262,4 @@ class GetTest(testlib.RouterMixin, testlib.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/ssh_test.py b/tests/ssh_test.py
index bdd6c825..b8114139 100644
--- a/tests/ssh_test.py
+++ b/tests/ssh_test.py
@@ -2,13 +2,13 @@ import mitogen
 import mitogen.ssh
 import mitogen.utils
 
-import unittest2 as unittest
+import unittest2
 
 import testlib
 import plain_old_module
 
 
-class FakeSshTest(testlib.RouterMixin, unittest.TestCase):
+class FakeSshTest(testlib.RouterMixin, unittest2.TestCase):
     def test_okay(self):
         context = self.router.ssh(
                 hostname='hostname',
@@ -20,7 +20,7 @@ class FakeSshTest(testlib.RouterMixin, unittest.TestCase):
         self.assertEquals(3, context.call(plain_old_module.add, 1, 2))
 
 
-class SshTest(testlib.DockerMixin, unittest.TestCase):
+class SshTest(testlib.DockerMixin, unittest2.TestCase):
     stream_class = mitogen.ssh.Stream
 
     def test_stream_name(self):
@@ -101,4 +101,4 @@ class SshTest(testlib.DockerMixin, unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()
diff --git a/tests/testlib.py b/tests/testlib.py
index 29c8ab62..949b691c 100644
--- a/tests/testlib.py
+++ b/tests/testlib.py
@@ -7,7 +7,7 @@ import sys
 import time
 import urlparse
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 if mitogen.is_master:  # TODO: shouldn't be necessary.
@@ -114,7 +114,7 @@ def wait_for_port(
                                  % (host, port))
 
 
-class TestCase(unittest.TestCase):
+class TestCase(unittest2.TestCase):
     def assertRaises(self, exc, func, *args, **kwargs):
         """Like regular assertRaises, except return the exception that was
         raised. Can't use context manager because tests must run on Python2.4"""
diff --git a/tests/utils_test.py b/tests/utils_test.py
index c9c2241b..4c2e2e0f 100644
--- a/tests/utils_test.py
+++ b/tests/utils_test.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-import unittest2 as unittest
+import unittest2
 
 import mitogen.master
 import mitogen.utils
@@ -15,7 +15,7 @@ def func(router):
     return router
 
 
-class RunWithRouterTest(unittest.TestCase):
+class RunWithRouterTest(unittest2.TestCase):
     # test_shutdown_on_exception
     # test_shutdown_on_success
 
@@ -25,7 +25,7 @@ class RunWithRouterTest(unittest.TestCase):
         self.assertFalse(router.broker._thread.isAlive())
 
 
-class WithRouterTest(unittest.TestCase):
+class WithRouterTest(unittest2.TestCase):
     def test_with_broker(self):
         router = func()
         self.assertIsInstance(router, mitogen.master.Router)
@@ -33,4 +33,4 @@ class WithRouterTest(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest2.main()