diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index a4ebff4..e92a3f7 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1209,34 +1209,6 @@
         test_kqueue
         test_ossaudiodev
         """,
-   'mac':
-        """
-        test_atexit
-        test_bz2
-        test_crypt
-        test_curses
-        test_dbm
-        test_fcntl
-        test_fork1
-        test_epoll
-        test_grp
-        test_ioctl
-        test_largefile
-        test_locale
-        test_kqueue
-        test_mmap
-        test_openpty
-        test_ossaudiodev
-        test_poll
-        test_popen
-        test_posix
-        test_pty
-        test_pwd
-        test_resource
-        test_signal
-        test_sundry
-        test_tarfile
-        """,
     'unixware7':
         """
         test_epoll
diff --git a/Lib/test/test_frozen.py b/Lib/test/test_frozen.py
index 28186bb..11a366c 100644
--- a/Lib/test/test_frozen.py
+++ b/Lib/test/test_frozen.py
@@ -39,13 +39,12 @@
         else:
             self.fail("import __phello__.foo should have failed")
 
-            if sys.platform != "mac":  # On the Mac this import does succeed.
-                try:
-                    import __phello__.foo
-                except ImportError:
-                    pass
-                else:
-                    self.fail("import __phello__.foo should have failed")
+            try:
+                import __phello__.foo
+            except ImportError:
+                pass
+            else:
+                self.fail("import __phello__.foo should have failed")
 
         del sys.modules['__hello__']
         del sys.modules['__phello__']
diff --git a/Lib/test/test_reprlib.py b/Lib/test/test_reprlib.py
index 627482c..0e799f6 100644
--- a/Lib/test/test_reprlib.py
+++ b/Lib/test/test_reprlib.py
@@ -304,8 +304,7 @@
 
 def test_main():
     run_unittest(ReprTests)
-    if os.name != 'mac':
-        run_unittest(LongReprTest)
+    run_unittest(LongReprTest)
 
 
 if __name__ == "__main__":
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py
index 8813c6e..fe92f45 100644
--- a/Lib/test/test_select.py
+++ b/Lib/test/test_select.py
@@ -4,7 +4,7 @@
 import os
 import sys
 
-@unittest.skipIf(sys.platform[:3] in ('win', 'mac', 'os2', 'riscos'),
+@unittest.skipIf(sys.platform[:3] in ('win', 'os2', 'riscos'),
                  "can't easily test on this system")
 class SelectTestCase(unittest.TestCase):
 
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 76d870b..25025dd 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -1465,9 +1465,7 @@
 
 def test_main():
     tests = [GeneralModuleTests, BasicTCPTest, TCPCloserTest, TCPTimeoutTest,
-             TestExceptions, BufferIOTest, BasicTCPTest2]
-    if sys.platform != 'mac':
-        tests.extend([ BasicUDPTest, UDPTimeoutTest ])
+             TestExceptions, BufferIOTest, BasicTCPTest2, BasicUDPTest, UDPTimeoutTest ]
 
     tests.extend([
         NonBlockingTCPTests,
diff --git a/Lib/test/test_strptime.py b/Lib/test/test_strptime.py
index 9f1bb44..77d3789 100644
--- a/Lib/test/test_strptime.py
+++ b/Lib/test/test_strptime.py
@@ -298,9 +298,6 @@
         self.assertEqual(strp_output.tm_isdst, 0)
         strp_output = _strptime._strptime_time("GMT", "%Z")
         self.assertEqual(strp_output.tm_isdst, 0)
-        if sys.platform == "mac":
-            # Timezones don't really work on MacOS9
-            return
         time_tuple = time.localtime()
         strf_output = time.strftime("%Z")  #UTC does not have a timezone
         strp_output = _strptime._strptime_time(strf_output, "%Z")
@@ -317,8 +314,6 @@
     def test_bad_timezone(self):
         # Explicitly test possibility of bad timezone;
         # when time.tzname[0] == time.tzname[1] and time.daylight
-        if sys.platform == "mac":
-            return #MacOS9 has severely broken timezone support.
         tz_name = time.tzname[0]
         if tz_name.upper() in ("UTC", "GMT"):
             return
diff --git a/Lib/test/test_tempfile.py b/Lib/test/test_tempfile.py
index 823c3d4..b0976d2 100644
--- a/Lib/test/test_tempfile.py
+++ b/Lib/test/test_tempfile.py
@@ -20,9 +20,7 @@
 
 # TEST_FILES may need to be tweaked for systems depending on the maximum
 # number of files that can be opened at one time (see ulimit -n)
-if sys.platform == 'mac':
-    TEST_FILES = 32
-elif sys.platform in ('openbsd3', 'openbsd4'):
+if sys.platform in ('openbsd3', 'openbsd4'):
     TEST_FILES = 48
 else:
     TEST_FILES = 100
@@ -265,7 +263,7 @@
         file = self.do_create()
         mode = stat.S_IMODE(os.stat(file.name).st_mode)
         expected = 0o600
-        if sys.platform in ('win32', 'os2emx', 'mac'):
+        if sys.platform in ('win32', 'os2emx'):
             # There's no distinction among 'user', 'group' and 'world';
             # replicate the 'user' bits.
             user = expected >> 6
@@ -488,7 +486,7 @@
             mode = stat.S_IMODE(os.stat(dir).st_mode)
             mode &= 0o777 # Mask off sticky bits inherited from /tmp
             expected = 0o700
-            if sys.platform in ('win32', 'os2emx', 'mac'):
+            if sys.platform in ('win32', 'os2emx'):
                 # There's no distinction among 'user', 'group' and 'world';
                 # replicate the 'user' bits.
                 user = expected >> 6
diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index 11848e0..1a8ffac 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -22,11 +22,6 @@
         # XXX Name hacking to get this to work on Windows.
         fname = os.path.abspath(urllib.request.__file__).replace('\\', '/')
 
-        # And more hacking to get it to work on MacOS. This assumes
-        # urllib.pathname2url works, unfortunately...
-        if os.name == 'mac':
-            fname = '/' + fname.replace(':', '/')
-
         if os.name == 'nt':
             file_url = "file:///%s" % fname
         else: