--- lib/Crypto/Cipher/blockalgo.py
+++ lib/Crypto/Cipher/blockalgo.py
@@ -22,8 +22,6 @@
 """Module with definitions common to all block ciphers."""
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 #: *Electronic Code Book (ECB)*.
--- lib/Crypto/PublicKey/DSA.py
+++ lib/Crypto/PublicKey/DSA.py
@@ -82,8 +82,6 @@ __revision__ = "$Id$"
 __all__ = ['generate', 'construct', 'error', 'DSAImplementation', '_DSAobj']
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 
 from Crypto.PublicKey import _DSA, _slowmath, pubkey
 from Crypto import Random
--- lib/Crypto/PublicKey/RSA.py
+++ lib/Crypto/PublicKey/RSA.py
@@ -68,8 +68,6 @@ __revision__ = "$Id$"
 __all__ = ['generate', 'construct', 'error', 'importKey', 'RSAImplementation', '_RSAobj']
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 #from Crypto.Util.python_compat import *
 from Crypto.Util.number import getRandomRange, bytes_to_long, long_to_bytes
--- lib/Crypto/PublicKey/_slowmath.py
+++ lib/Crypto/PublicKey/_slowmath.py
@@ -30,8 +30,6 @@ __all__ = ['rsa_construct']
 
 import sys
 
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.number import size, inverse, GCD
 
 class error(Exception):
--- lib/Crypto/Random/Fortuna/FortunaAccumulator.py
+++ lib/Crypto/Random/Fortuna/FortunaAccumulator.py
@@ -25,8 +25,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
     
 from binascii import b2a_hex
--- lib/Crypto/Random/Fortuna/FortunaGenerator.py
+++ lib/Crypto/Random/Fortuna/FortunaGenerator.py
@@ -25,8 +25,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] is 2 and  sys.version_info[1] is 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import struct
--- lib/Crypto/Random/Fortuna/SHAd256.py
+++ lib/Crypto/Random/Fortuna/SHAd256.py
@@ -32,8 +32,6 @@ __revision__ = "$Id$"
 __all__ = ['new', 'digest_size']
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 from binascii import b2a_hex
--- lib/Crypto/Random/random.py
+++ lib/Crypto/Random/random.py
@@ -29,8 +29,6 @@ __all__ = ['StrongRandom', 'getrandbits'
 
 from Crypto import Random
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 
 class StrongRandom(object):
     def __init__(self, rng=None, randfunc=None):
--- lib/Crypto/SelfTest/PublicKey/test_DSA.py
+++ lib/Crypto/SelfTest/PublicKey/test_DSA.py
@@ -28,8 +28,6 @@ __revision__ = "$Id$"
 
 import sys
 import os
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import unittest
--- lib/Crypto/SelfTest/PublicKey/test_RSA.py
+++ lib/Crypto/SelfTest/PublicKey/test_RSA.py
@@ -28,8 +28,6 @@ __revision__ = "$Id$"
 
 import sys
 import os
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import unittest
--- lib/Crypto/SelfTest/Random/Fortuna/test_FortunaAccumulator.py
+++ lib/Crypto/SelfTest/Random/Fortuna/test_FortunaAccumulator.py
@@ -27,8 +27,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import unittest
--- lib/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
+++ lib/Crypto/SelfTest/Random/Fortuna/test_FortunaGenerator.py
@@ -27,8 +27,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import unittest
--- lib/Crypto/SelfTest/Random/test_random.py
+++ lib/Crypto/SelfTest/Random/test_random.py
@@ -28,8 +28,6 @@ __revision__ = "$Id$"
 
 import unittest
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 class SimpleTest(unittest.TestCase):
--- lib/Crypto/SelfTest/st_common.py
+++ lib/Crypto/SelfTest/st_common.py
@@ -29,8 +29,6 @@ __revision__ = "$Id$"
 import unittest
 import binascii
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 class _list_testloader(unittest.TestLoader):
--- lib/Crypto/SelfTest/Util/test_Counter.py
+++ lib/Crypto/SelfTest/Util/test_Counter.py
@@ -27,8 +27,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 import unittest
--- lib/Crypto/SelfTest/Util/test_number.py
+++ lib/Crypto/SelfTest/Util/test_number.py
@@ -27,8 +27,6 @@
 __revision__ = "$Id$"
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 
 import unittest
 
--- lib/Crypto/Signature/PKCS1_PSS.py
+++ lib/Crypto/Signature/PKCS1_PSS.py
@@ -67,8 +67,6 @@ __revision__ = "$Id$"
 __all__ = [ 'new', 'PSS_SigScheme' ]
 
 from Crypto.Util.py3compat import *
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 import Crypto.Util.number
 from Crypto.Util.number import ceil_shift, ceil_div, long_to_bytes
 from Crypto.Util.strxor import strxor
--- lib/Crypto/Util/Counter.py
+++ lib/Crypto/Util/Counter.py
@@ -52,8 +52,6 @@ An example of usage is the following:
 :undocumented: __package__
 """
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 from Crypto.Util.py3compat import *
 
 from Crypto.Util import _counter
--- lib/Crypto/Util/_number_new.py
+++ lib/Crypto/Util/_number_new.py
@@ -28,8 +28,6 @@ __revision__ = "$Id$"
 __all__ = ['ceil_shift', 'ceil_div', 'floor_div', 'exact_log2', 'exact_div']
 
 import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
-    from Crypto.Util.py21compat import *
 
 def ceil_shift(n, b):
     """Return ceil(n / 2**b) without performing any floating-point or division operations.
--- lib/Crypto/Util/py21compat.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-#  Util/py21compat.py : Compatibility code for Python 2.1
-#
-# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
-#
-# ===================================================================
-# The contents of this file are dedicated to the public domain.  To
-# the extent that dedication to the public domain is not available,
-# everyone is granted a worldwide, perpetual, royalty-free,
-# non-exclusive license to exercise all rights associated with the
-# contents of this file for any purpose whatsoever.
-# No rights are reserved.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-# ===================================================================
-
-"""Compatibility code for Python 2.1
-
-Currently, this just defines:
-    - True and False
-    - object
-    - isinstance
-"""
-
-__revision__ = "$Id$"
-__all__ = []
-
-import sys
-import __builtin__
-
-# 'True' and 'False' aren't defined in Python 2.1.  Define them.
-try:
-    True, False
-except NameError:
-    (True, False) = (1, 0)
-    __all__ += ['True', 'False']
-
-# New-style classes were introduced in Python 2.2.  Defining "object" in Python
-# 2.1 lets us use new-style classes in versions of Python that support them,
-# while still maintaining backward compatibility with old-style classes
-try:
-    object
-except NameError:
-    class object: pass
-    __all__ += ['object']
-
-# Starting with Python 2.2, isinstance allows a tuple for the second argument.
-# Also, builtins like "tuple", "list", "str", "unicode", "int", and "long"
-# became first-class types, rather than functions.  We want to support
-# constructs like:
-#   isinstance(x, (int, long))
-# So we hack it for Python 2.1.
-try:
-    isinstance(5, (int, long))
-except TypeError:
-    __all__ += ['isinstance']
-    _builtin_type_map = {
-        tuple: type(()),
-        list: type([]),
-        str: type(""),
-        unicode: type(u""),
-        int: type(0),
-        long: type(0L),
-    }
-    def isinstance(obj, t):
-        if not __builtin__.isinstance(t, type(())):
-            # t is not a tuple
-            return __builtin__.isinstance(obj, _builtin_type_map.get(t, t))
-        else:
-            # t is a tuple
-            for typ in t:
-                if __builtin__.isinstance(obj, _builtin_type_map.get(typ, typ)):
-                    return True
-            return False
-
-# vim:set ts=4 sw=4 sts=4 expandtab: