diff --git a/src/diskcollections/interfaces.py b/src/diskcollections/interfaces.py
index c604544..cc6af99 100644
--- a/src/diskcollections/interfaces.py
+++ b/src/diskcollections/interfaces.py
@@ -1,4 +1,4 @@
-import collections
+import collections.abc
 
 
 class ISerializer:
diff --git a/src/diskcollections/iterables/clients.py b/src/diskcollections/iterables/clients.py
index 9a6ab03..e1870bd 100644
--- a/src/diskcollections/iterables/clients.py
+++ b/src/diskcollections/iterables/clients.py
@@ -3,7 +3,6 @@
 from typing import Optional
 
 from diskcollections.interfaces import IClientSequence
-from diskcollections.py2to3 import TemporaryDirectory
 
 mode_str = "w+"
 mode_bytes = "w+b"
@@ -25,7 +24,7 @@ def __init__(self, iterable=(), mode=mode_bytes):
         self.__mode = mode
         self.__available_modes = modes - {mode}
         self.__files = []
-        self.__directory = TemporaryDirectory()
+        self.__directory = tempfile.TemporaryDirectory()
         self.extend(iterable)
 
     def __repr__(self):
@@ -238,4 +237,4 @@ def safe_write(self, file_path, value):
             except TypeError as e:
                 exc = e
 
-        raise exc
\ No newline at end of file
+        raise exc
diff --git a/src/diskcollections/iterables/iterables.py b/src/diskcollections/iterables/iterables.py
index c2a56ef..59a2b83 100644
--- a/src/diskcollections/iterables/iterables.py
+++ b/src/diskcollections/iterables/iterables.py
@@ -1,10 +1,9 @@
-import collections
 import inspect
+from collections.abc import MutableSequence
 from functools import partial
-from diskcollections.py2to3 import izip
 
 
-class List(collections.abc.MutableSequence):
+class List(MutableSequence):
     def __init__(
         self, iterable=None, client_class=None, serializer_class=None
     ):
@@ -76,7 +75,7 @@ def insert(self, index, value):
         self.__client.insert(index, encoded_value)
 
 
-class Deque(collections.abc.MutableSequence):
+class Deque(MutableSequence):
     def __init__(
         self,
         iterable=(),
@@ -124,7 +123,7 @@ def __eq__(self, other):
         if len(self) != len(other):
             return False
 
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i != j:
                 return False
 
@@ -134,14 +133,14 @@ def __ne__(self, other):
         if len(self) != len(other):
             return True
 
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i != j:
                 return True
 
         return False
 
     def __lt__(self, other):
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i >= j:
                 return False
 
@@ -151,7 +150,7 @@ def __lt__(self, other):
         return True
 
     def __le__(self, other):
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i > j:
                 return False
 
@@ -161,14 +160,14 @@ def __le__(self, other):
         return True
 
     def __gt__(self, other):
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i <= j:
                 return False
 
         return True
 
     def __ge__(self, other):
-        for i, j in izip(self, other):
+        for i, j in zip(self, other):
             if i < j:
                 return False
 
diff --git a/src/diskcollections/py2to3.py b/src/diskcollections/py2to3.py
deleted file mode 100644
index 21812bd..0000000
--- a/src/diskcollections/py2to3.py
+++ /dev/null
@@ -1,26 +0,0 @@
-import itertools
-import shutil
-import sys
-import tempfile
-
-if sys.version_info >= (3, 0):
-    basestring = str
-    izip = zip
-else:
-    basestring = basestring
-    izip = itertools.izip
-
-if sys.version_info >= (3, 4):
-    TemporaryDirectory = tempfile.TemporaryDirectory
-else:
-
-    class TemporaryDirectory:
-        def __init__(self):
-            self._directory_path = tempfile.mkdtemp()
-
-        @property
-        def name(self):
-            return self._directory_path
-
-        def cleanup(self):
-            shutil.rmtree(self.name)