diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst
index 652a2f4..c822e7d 100644
--- a/Doc/library/ctypes.rst
+++ b/Doc/library/ctypes.rst
@@ -369,7 +369,7 @@
 :attr:`_as_parameter_` attribute and uses this as the function argument.  Of
 course, it must be one of integer, string, or bytes::
 
-   >>> class Bottles(object):
+   >>> class Bottles:
    ...     def __init__(self, number):
    ...         self._as_parameter_ = number
    ...
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 764fd8f..af005b3 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -256,7 +256,7 @@
       ['Struct', '__builtins__', '__doc__', '__file__', '__name__',
        '__package__', '_clearcache', 'calcsize', 'error', 'pack', 'pack_into',
        'unpack', 'unpack_from']
-      >>> class Foo(object):
+      >>> class Foo:
       ...     def __dir__(self):
       ...         return ["kan", "ga", "roo"]
       ...
@@ -864,7 +864,7 @@
    function for setting, and *fdel* a function for del'ing, an attribute.  Typical
    use is to define a managed attribute ``x``::
 
-      class C(object):
+      class C:
           def __init__(self):
               self._x = None
 
@@ -883,7 +883,7 @@
    property will copy *fget*'s docstring (if it exists).  This makes it possible to
    create read-only properties easily using :func:`property` as a :term:`decorator`::
 
-      class Parrot(object):
+      class Parrot:
           def __init__(self):
               self._voltage = 100000
 
@@ -900,7 +900,7 @@
    corresponding accessor function set to the decorated function.  This is
    best explained with an example::
 
-      class C(object):
+      class C:
           def __init__(self):
               self._x = None
 
@@ -1200,7 +1200,7 @@
    attribute.  For example, the following two statements create identical
    :class:`type` objects:
 
-      >>> class X(object):
+      >>> class X:
       ...     a = 1
       ...
       >>> X = type('X', (object,), dict(a=1))
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 9b2aa40..b4854c6 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -323,7 +323,7 @@
 
    :func:`groupby` is equivalent to::
 
-      class groupby(object):
+      class groupby:
           # [k for k, g in groupby('AAAABBBCCDAABBB')] --> A B C D A B
           # [list(g) for k, g in groupby('AAAABBBCCD')] --> AAAA BBB CC D
           def __init__(self, iterable, key=None):
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index a3fd970..9fa2d81 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -1318,7 +1318,7 @@
 
    from multiprocessing.managers import BaseManager
 
-   class MathsClass(object):
+   class MathsClass:
        def add(self, x, y):
            return x + y
        def mul(self, x, y):
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
index ae15786..b76f6eb 100644
--- a/Doc/library/sqlite3.rst
+++ b/Doc/library/sqlite3.rst
@@ -682,7 +682,7 @@
 This is a good approach if you write the class yourself. Let's suppose you have
 a class like this::
 
-   class Point(object):
+   class Point:
        def __init__(self, x, y):
            self.x, self.y = x, y