diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index e7596a5..58b2c0b 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -947,33 +947,6 @@
         test_threadedtempfile
         test_threading
         """,
-    'riscos':
-        """
-        test_asynchat
-        test_atexit
-        test_bsddb
-        test_bsddb3
-        test_commands
-        test_crypt
-        test_dbm
-        test_dl
-        test_fcntl
-        test_fork1
-        test_gdbm
-        test_grp
-        test_largefile
-        test_locale
-        test_mmap
-        test_openpty
-        test_poll
-        test_pty
-        test_pwd
-        test_sundry
-        test_thread
-        test_threaded_import
-        test_threadedtempfile
-        test_threading
-        """,
     'darwin':
         """
         test__locale
diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index 32c9cef..2233f84 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -11,7 +11,7 @@
 import bz2
 from bz2 import BZ2File, BZ2Compressor, BZ2Decompressor
 
-has_cmdline_bunzip2 = sys.platform not in ("win32", "os2emx", "riscos")
+has_cmdline_bunzip2 = sys.platform not in ("win32", "os2emx")
 
 class BaseTest(unittest.TestCase):
     "Base for other testcases."
diff --git a/Lib/test/test_mhlib.py b/Lib/test/test_mhlib.py
index ad66ede..09522f7 100644
--- a/Lib/test/test_mhlib.py
+++ b/Lib/test/test_mhlib.py
@@ -13,8 +13,7 @@
 import sys
 import mhlib
 
-if (sys.platform.startswith("win") or sys.platform=="riscos" or
-      sys.platform.startswith("atheos")):
+if sys.platform.startswith("win") or sys.platform.startswith("atheos"):
     # mhlib.updateline() renames a file to the name of a file that already
     # exists.  That causes a reasonable OS <wink> to complain in test_sequence
     # here, like the "OSError: [Errno 17] File exists" raised on Windows.
diff --git a/Lib/test/test_select.py b/Lib/test/test_select.py
index fd76674..b45ec7f 100644
--- a/Lib/test/test_select.py
+++ b/Lib/test/test_select.py
@@ -42,7 +42,7 @@
 
 def test():
     import sys
-    if sys.platform[:3] in ('win', 'mac', 'os2', 'riscos'):
+    if sys.platform[:3] in ('win', 'mac', 'os2'):
         if verbose:
             print("Can't test select easily on", sys.platform)
         return
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 9093965..15c6e9c 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -3,7 +3,7 @@
 import signal
 import os, sys, time
 
-if sys.platform[:3] in ('win', 'os2') or sys.platform=='riscos':
+if sys.platform[:3] in ('win', 'os2'):
     raise TestSkipped, "Can't test signal on %s" % sys.platform
 
 MAX_DURATION = 20   # Entire test should last at most 20 sec.
diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index fa4c3ef..2d9612e 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -142,8 +142,6 @@
 if os.name == 'java':
     # Jython disallows @ in module names
     TESTFN = '$test'
-elif os.name == 'riscos':
-    TESTFN = 'testfile'
 else:
     TESTFN = '@test'
 
diff --git a/Lib/test/test_threadsignals.py b/Lib/test/test_threadsignals.py
index 286c2e4..9f076ef 100644
--- a/Lib/test/test_threadsignals.py
+++ b/Lib/test/test_threadsignals.py
@@ -7,7 +7,7 @@
 import sys
 from test.test_support import run_unittest, TestSkipped
 
-if sys.platform[:3] in ('win', 'os2') or sys.platform=='riscos':
+if sys.platform[:3] in ('win', 'os2'):
     raise TestSkipped, "Can't test signal on %s" % sys.platform
 
 process_pid = os.getpid()
diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index 91d6ba7..dff840e 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -26,10 +26,6 @@
         # urllib.pathname2url works, unfortunately...
         if os.name == 'mac':
             fname = '/' + fname.replace(':', '/')
-        elif os.name == 'riscos':
-            import string
-            fname = os.expand(fname)
-            fname = fname.translate(string.maketrans("/.", "./"))
 
         file_url = "file://%s" % fname
         f = urllib2.urlopen(file_url)