Removed versionadded/changed annotations for 2.1.

25 files changed, 0 insertions, 208 deletions

diff --git a/docs/howto/custom-lookups.txt b/docs/howto/custom-lookups.txt
index 1e73d329e7..7504997ed5 100644
--- a/docs/howto/custom-lookups.txt
+++ b/docs/howto/custom-lookups.txt
@@ -148,11 +148,6 @@ And on databases that support distinct on fields (such as PostgreSQL),
 
     SELECT ... DISTINCT ON ABS("experiments"."change")
 
-.. versionchanged:: 2.1
-
-    Ordering and distinct support as described in the last two paragraphs was
-    added.
-
 When looking for which lookups are allowable after the ``Transform`` has been
 applied, Django uses the ``output_field`` attribute. We didn't need to specify
 this here as it didn't change, but supposing we were applying ``AbsoluteValue``
diff --git a/docs/howto/custom-management-commands.txt b/docs/howto/custom-management-commands.txt
index d547bd97e2..aeee00016a 100644
--- a/docs/howto/custom-management-commands.txt
+++ b/docs/howto/custom-management-commands.txt
@@ -144,12 +144,6 @@ decorator on your :meth:`~BaseCommand.handle` method::
 Since translation deactivation requires access to configured settings, the
 decorator can't be used for commands that work without configured settings.
 
-.. versionchanged:: 2.1
-
-    The ``@no_translations`` decorator is new. In older versions, translations
-    are deactivated before running a command unless the command's
-    ``leave_locale_alone`` attribute (now removed) is set to ``True``.
-
 Testing
 =======
 
diff --git a/docs/ref/contrib/admin/actions.txt b/docs/ref/contrib/admin/actions.txt
index 015427054a..f0c8be7728 100644
--- a/docs/ref/contrib/admin/actions.txt
+++ b/docs/ref/contrib/admin/actions.txt
@@ -361,8 +361,6 @@ Conditionally enabling or disabling actions
 Setting permissions for actions
 -------------------------------
 
-.. versionadded:: 2.1
-
 Actions may limit their availability to users with specific permissions by
 setting an ``allowed_permissions`` attribute on the action function::
 
diff --git a/docs/ref/contrib/admin/index.txt b/docs/ref/contrib/admin/index.txt
index c163dc9f2e..75ad811e69 100644
--- a/docs/ref/contrib/admin/index.txt
+++ b/docs/ref/contrib/admin/index.txt
@@ -157,8 +157,6 @@ application and imports it.
 
     .. attribute:: default_site
 
-        .. versionadded:: 2.1
-
         A dotted import path to the default admin site's class or to a callable
         that returns a site instance. Defaults to
         ``'django.contrib.admin.sites.AdminSite'``. See
@@ -754,10 +752,6 @@ subclass::
                   return self.first_name + ' ' + self.last_name
               full_name.admin_order_field = Concat('first_name', Value(' '), 'last_name')
 
-      .. versionadded:: 2.1
-
-          Support for expressions in ``admin_order_field`` was added.
-
     * Elements of ``list_display`` can also be properties. Please note however,
       that due to the way properties work in Python, setting
       ``short_description`` on a property is only possible when using the
@@ -1279,10 +1273,6 @@ subclass::
     searching with :lookup:`exact` only works with a single search word since
     two or more words can't all be an exact match unless all words are the same.
 
-    .. versionadded:: 2.1
-
-        The ability to specify a field lookup was added.
-
     Some (older) shortcuts for specifying a field lookup are also available.
     You can prefix a field in ``search_fields`` with the following characters
     and it's equivalent to adding ``__<lookup>`` to the field:
@@ -1313,8 +1303,6 @@ subclass::
 
 .. attribute:: ModelAdmin.sortable_by
 
-    .. versionadded:: 2.1
-
     By default, the change list page allows sorting by all model fields (and
     callables that have the ``admin_order_field`` property) specified in
     :attr:`list_display`.
@@ -1433,8 +1421,6 @@ templates used by the :class:`ModelAdmin` views:
 
 .. method:: ModelAdmin.delete_queryset(request, queryset)
 
-    .. versionadded:: 2.1
-
     The ``delete_queryset()`` method is given the ``HttpRequest`` and a
     ``QuerySet`` of objects to be deleted. Override this method to customize
     the deletion process for the "delete selected objects" :doc:`action
@@ -1595,8 +1581,6 @@ templates used by the :class:`ModelAdmin` views:
 
 .. method:: ModelAdmin.get_sortable_by(request)
 
-    .. versionadded:: 2.1
-
     The ``get_sortable_by()`` method is passed the ``HttpRequest`` and is
     expected to return a collection (e.g. ``list``, ``tuple``, or ``set``) of
     field names that will be sortable in the change list page.
@@ -1884,8 +1868,6 @@ templates used by the :class:`ModelAdmin` views:
 
 .. method:: ModelAdmin.has_view_permission(request, obj=None)
 
-    .. versionadded:: 2.1
-
     Should return ``True`` if viewing ``obj`` is permitted, ``False`` otherwise.
     If obj is ``None``, should return ``True`` or ``False`` to indicate whether
     viewing of objects of this type is permitted in general (e.g., ``False``
@@ -2009,8 +1991,6 @@ templates used by the :class:`ModelAdmin` views:
 
 .. method:: ModelAdmin.get_deleted_objects(objs, request)
 
-    .. versionadded:: 2.1
-
     A hook for customizing the deletion process of the :meth:`delete_view` and
     the "delete selected" :doc:`action <actions>`.
 
@@ -2128,10 +2108,6 @@ To avoid conflicts with user-supplied scripts or libraries, Django's jQuery
 in your own admin JavaScript without including a second copy, you can use the
 ``django.jQuery`` object on changelist and add/edit views.
 
-.. versionchanged:: 2.1
-
-    jQuery was upgraded from 2.2.3 to 3.3.1.
-
 The :class:`ModelAdmin` class requires jQuery by default, so there is no need
 to add jQuery to your ``ModelAdmin``’s list of media resources unless you have
 a specific need. For example, if you require the jQuery library to be in the
@@ -2411,12 +2387,6 @@ The ``InlineModelAdmin`` class adds or customizes:
     otherwise. ``obj`` is the parent object being edited or ``None`` when
     adding a new parent.
 
-    .. versionchanged:: 2.1
-
-        The ``obj`` argument was added. During the deprecation period, it may
-        also be ``None`` if third-party calls to ``has_add_permission()`` don't
-        provide it.
-
 .. method:: InlineModelAdmin.has_change_permission(request, obj=None)
 
     Should return ``True`` if editing an inline object is permitted, ``False``
@@ -2726,13 +2696,6 @@ app or per model. The following can:
 * ``search_form.html``
 * ``submit_line.html``
 
-.. versionchanged:: 2.1
-
-    The ability to override the ``actions.html``, ``change_form_object_tools.html``,
-    ``change_list_object_tools.html``, ``change_list_results.html``,
-    ``date_hierarchy.html``, ``pagination.html``, ``prepopulated_fields_js.html``,
-    ``search_form.html``, and ``submit_line.html`` templates was added.
-
 For those templates that cannot be overridden in this way, you may still
 override them for your entire project. Just place the new version in your
 ``templates/admin`` directory. This is particularly useful to create custom 404
@@ -2967,8 +2930,6 @@ put ``'django.contrib.admin.apps.SimpleAdminConfig'`` instead of
 Overriding the default admin site
 ---------------------------------
 
-.. versionadded:: 2.1
-
 You can override the default ``django.contrib.admin.site`` by setting the
 :attr:`~.SimpleAdminConfig.default_site` attribute of a custom ``AppConfig``
 to the dotted import path of either a ``AdminSite`` subclass or a callable that
diff --git a/docs/ref/contrib/auth.txt b/docs/ref/contrib/auth.txt
index efbffa62c2..9376ea6fcb 100644
--- a/docs/ref/contrib/auth.txt
+++ b/docs/ref/contrib/auth.txt
@@ -210,14 +210,6 @@ Methods
         :meth:`~django.contrib.auth.models.User.set_unusable_password()` has
         been called for this user.
 
-        .. versionchanged:: 2.1
-
-            In older versions, this also returns ``False`` if the password is
-            ``None`` or an empty string, or if the password uses a hasher
-            that's not in the :setting:`PASSWORD_HASHERS` setting. That
-            behavior is considered a bug as it prevents users with such
-            passwords from requesting a password reset.
-
     .. method:: get_group_permissions(obj=None)
 
         Returns a set of permission strings that the user has, through their
diff --git a/docs/ref/contrib/gis/functions.txt b/docs/ref/contrib/gis/functions.txt
index 60476902bb..453c1385d5 100644
--- a/docs/ref/contrib/gis/functions.txt
+++ b/docs/ref/contrib/gis/functions.txt
@@ -283,8 +283,6 @@ representing the bounding box of the geometry.
 
 .. class:: ForcePolygonCW(expression, **extra)
 
-.. versionadded:: 2.1
-
 *Availability*: `PostGIS <https://postgis.net/docs/ST_ForcePolygonCW.html>`__,
 SpatiaLite
 
diff --git a/docs/ref/contrib/gis/geos.txt b/docs/ref/contrib/gis/geos.txt
index c19a5ab05c..068fe7d006 100644
--- a/docs/ref/contrib/gis/geos.txt
+++ b/docs/ref/contrib/gis/geos.txt
@@ -487,8 +487,6 @@ Topological Methods
 
 .. method:: GEOSGeometry.buffer_with_style(width, quadsegs=8, end_cap_style=1, join_style=1, mitre_limit=5.0)
 
-    .. versionadded:: 2.1
-
     Same as :meth:`buffer`, but allows customizing the style of the buffer.
 
     * ``end_cap_style`` can be round (``1``), flat (``2``), or square (``3``).
diff --git a/docs/ref/contrib/postgres/fields.txt b/docs/ref/contrib/postgres/fields.txt
index 01d47af55b..11fcec664f 100644
--- a/docs/ref/contrib/postgres/fields.txt
+++ b/docs/ref/contrib/postgres/fields.txt
@@ -577,12 +577,6 @@ To query for missing keys, use the ``isnull`` lookup::
     >>> Dog.objects.filter(data__owner__isnull=True)
     <QuerySet [<Dog: Shep>]>
 
-.. versionchanged:: 2.1
-
-    In older versions, using ``None`` as a  lookup value matches objects that
-    don't have the key rather than objects that have the key with a ``None``
-    value.
-
 .. warning::
 
     Since any string could be a key in a JSON object, any lookup other than
diff --git a/docs/ref/django-admin.txt b/docs/ref/django-admin.txt
index 22a5c4dbac..5a4ce33c56 100644
--- a/docs/ref/django-admin.txt
+++ b/docs/ref/django-admin.txt
@@ -432,8 +432,6 @@ Only support for PostgreSQL is implemented.
 
 .. django-admin-option:: --include-views
 
-.. versionadded:: 2.1
-
 If this option is provided, models are also created for database views.
 
 ``loaddata``
diff --git a/docs/ref/models/database-functions.txt b/docs/ref/models/database-functions.txt
index c82a7cd7b7..c7f7b5d981 100644
--- a/docs/ref/models/database-functions.txt
+++ b/docs/ref/models/database-functions.txt
@@ -535,8 +535,6 @@ Usage example::
 
 .. class:: TruncWeek(expression, output_field=None, tzinfo=None, **extra)
 
-    .. versionadded:: 2.1
-
     Truncates to midnight on the Monday of the week.
 
     .. attribute:: kind = 'week'
@@ -1172,8 +1170,6 @@ Text functions
 
 .. class:: Chr(expression, **extra)
 
-.. versionadded:: 2.1
-
 Accepts a numeric field or expression and returns the text representation of
 the expression as a single character. It works the same as Python's :func:`chr`
 function.
@@ -1225,8 +1221,6 @@ Usage example::
 
 .. class:: Left(expression, length, **extra)
 
-.. versionadded:: 2.1
-
 Returns the first ``length`` characters of the given text field or expression.
 
 Usage example::
@@ -1287,8 +1281,6 @@ Usage example::
 
 .. class:: LPad(expression, length, fill_text=Value(' '), **extra)
 
-.. versionadded:: 2.1
-
 Returns the value of the given text field or expression padded on the left side
 with ``fill_text`` so that the resulting value is ``length`` characters long.
 The default ``fill_text`` is a space.
@@ -1308,8 +1300,6 @@ Usage example::
 
 .. class:: LTrim(expression, **extra)
 
-.. versionadded:: 2.1
-
 Similar to :class:`~django.db.models.functions.Trim`, but removes only leading
 spaces.
 
@@ -1318,8 +1308,6 @@ spaces.
 
 .. class:: Ord(expression, **extra)
 
-.. versionadded:: 2.1
-
 Accepts a single text field or expression and returns the Unicode code point
 value for the first character of that expression. It works similar to Python's
 :func:`ord` function, but an exception isn't raised if the expression is more
@@ -1341,8 +1329,6 @@ Usage example::
 
 .. class:: Repeat(expression, number, **extra)
 
-.. versionadded:: 2.1
-
 Returns the value of the given text field or expression repeated ``number``
 times.
 
@@ -1360,8 +1346,6 @@ Usage example::
 
 .. class:: Replace(expression, text, replacement=Value(''), **extra)
 
-.. versionadded:: 2.1
-
 Replaces all occurrences of ``text`` with ``replacement`` in ``expression``.
 The default replacement text is the empty string. The arguments to the function
 are case-sensitive.
@@ -1403,8 +1387,6 @@ Usage example::
 
 .. class:: Right(expression, length, **extra)
 
-.. versionadded:: 2.1
-
 Returns the last ``length`` characters of the given text field or expression.
 
 Usage example::
@@ -1420,8 +1402,6 @@ Usage example::
 
 .. class:: RPad(expression, length, fill_text=Value(' '), **extra)
 
-.. versionadded:: 2.1
-
 Similar to :class:`~django.db.models.functions.LPad`, but pads on the right
 side.
 
@@ -1430,8 +1410,6 @@ side.
 
 .. class:: RTrim(expression, **extra)
 
-.. versionadded:: 2.1
-
 Similar to :class:`~django.db.models.functions.Trim`, but removes only trailing
 spaces.
 
@@ -1491,8 +1469,6 @@ Usage example::
 
 .. class:: Trim(expression, **extra)
 
-.. versionadded:: 2.1
-
 Returns the value of the given text field or expression with leading and
 trailing spaces removed.
 
diff --git a/docs/ref/models/expressions.txt b/docs/ref/models/expressions.txt
index 2413952228..bfd5ddea2c 100644
--- a/docs/ref/models/expressions.txt
+++ b/docs/ref/models/expressions.txt
@@ -17,10 +17,6 @@ Django supports negation, addition, subtraction, multiplication, division,
 modulo arithmetic, and the power operator on query expressions, using Python
 constants, variables, and even other expressions.
 
-.. versionchanged:: 2.1
-
-    Support for negation was added.
-
 Some examples
 =============
 
diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt
index 2d95233351..1b572d8076 100644
--- a/docs/ref/models/fields.txt
+++ b/docs/ref/models/fields.txt
@@ -422,10 +422,6 @@ A field to store raw binary data. It can be assigned :class:`bytes`,
 By default, ``BinaryField`` sets :attr:`~Field.editable` to ``False``, in which
 case it can't be included in a :class:`~django.forms.ModelForm`.
 
-.. versionchanged:: 2.1
-
-    Older versions don't allow setting ``editable`` to ``True``.
-
 ``BinaryField`` has one extra optional argument:
 
 .. attribute:: BinaryField.max_length
@@ -453,12 +449,6 @@ or :class:`~django.forms.NullBooleanSelect` if :attr:`null=True <Field.null>`.
 The default value of ``BooleanField`` is ``None`` when :attr:`Field.default`
 isn't defined.
 
-.. versionchanged:: 2.1
-
-    In older versions, this field doesn't permit ``null=True``, so you have to
-    use :class:`NullBooleanField` instead. Using the latter is now discouraged
-    as it's likely to be deprecated in a future version of Django.
-
 ``CharField``
 -------------
 
diff --git a/docs/ref/models/indexes.txt b/docs/ref/models/indexes.txt
index 1b27c17193..e894aa8d9a 100644
--- a/docs/ref/models/indexes.txt
+++ b/docs/ref/models/indexes.txt
@@ -40,10 +40,6 @@ For example ``Index(fields=['headline', '-pub_date'])`` would create SQL with
 ``(headline, pub_date DESC)``. Index ordering isn't supported on MySQL. In that
 case, a descending index is created as a normal index.
 
-.. versionchanged:: 2.1
-
-    Older versions don't accept a tuple.
-
 ``name``
 --------
 
diff --git a/docs/ref/models/options.txt b/docs/ref/models/options.txt
index e06a099a61..d28cd3fe16 100644
--- a/docs/ref/models/options.txt
+++ b/docs/ref/models/options.txt
@@ -325,10 +325,6 @@ Django quotes column and table names behind the scenes.
     before the model is created by :djadmin:`migrate` in order to prevent any
     omitted permissions from being created.
 
-    .. versionchanged:: 2.1
-
-        The ``view`` permission was added.
-
 ``proxy``
 ---------
 
diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt
index 3ddd516eaf..4c161200da 100644
--- a/docs/ref/models/querysets.txt
+++ b/docs/ref/models/querysets.txt
@@ -544,10 +544,6 @@ ordering. For example::
     >>> Blog.objects.values('name__lower')
     <QuerySet [{'name__lower': 'beatles blog'}]>
 
-.. versionchanged:: 2.1
-
-    Support for lookups was added.
-
 An aggregate within a ``values()`` clause is applied before other arguments
 within the same ``values()`` clause. If you need to group by another value,
 add it to an earlier ``values()`` clause instead. For example::
@@ -752,10 +748,6 @@ Examples::
     >>> Entry.objects.filter(headline__contains='Lennon').dates('pub_date', 'day')
     [datetime.date(2005, 3, 20)]
 
-.. versionchanged:: 2.1
-
-    "week" support was added.
-
 ``datetimes()``
 ~~~~~~~~~~~~~~~
 
@@ -781,10 +773,6 @@ object. If it's ``None``, Django uses the :ref:`current time zone
 <default-current-time-zone>`. It has no effect when :setting:`USE_TZ` is
 ``False``.
 
-.. versionchanged:: 2.1
-
-    "week" support was added.
-
 .. _database-time-zone-definitions:
 
 .. note::
@@ -2561,8 +2549,6 @@ with a copy of the ``QuerySet``’s methods. See
 ``explain()``
 ~~~~~~~~~~~~~
 
-.. versionadded:: 2.1
-
 .. method:: explain(format=None, **options)
 
 Returns a string of the ``QuerySet``’s execution plan, which details how the
diff --git a/docs/ref/request-response.txt b/docs/ref/request-response.txt
index 84aa72da20..b04d3b9d17 100644
--- a/docs/ref/request-response.txt
+++ b/docs/ref/request-response.txt
@@ -318,8 +318,6 @@ Methods
 
 .. method:: HttpRequest.get_full_path_info()
 
-    .. versionadded:: 2.1
-
     Like :meth:`get_full_path`, but uses :attr:`path_info` instead of
     :attr:`path`.
 
@@ -815,10 +813,6 @@ Methods
       isn't supported by all browsers, so it's not a replacement for Django's
       CSRF protection, but rather a defense in depth measure.
 
-    .. versionchanged:: 2.1
-
-        The ``samesite`` argument was added.
-
     .. _HTTPOnly: https://www.owasp.org/index.php/HTTPOnly
     .. _SameSite: https://www.owasp.org/index.php/SameSite
 
@@ -1107,12 +1101,6 @@ Attributes
     headers are automatically set when they can be guessed from contents of
     ``open_file``.
 
-    .. versionadded:: 2.1
-
-        The ``as_attachment`` and ``filename`` keywords argument were added.
-        Also, ``FileResponse`` sets the ``Content`` headers if it can guess
-        them.
-
 .. _wsgi.file_wrapper: https://www.python.org/dev/peps/pep-3333/#optional-platform-specific-file-handling
 
 ``FileResponse`` accepts any file-like object with binary content, for example
@@ -1128,8 +1116,6 @@ Methods
 
 .. method:: FileResponse.set_headers(open_file)
 
-    .. versionadded:: 2.1
-
     This method is automatically called during the response initialization and
     set various headers (``Content-Length``, ``Content-Type``, and
     ``Content-Disposition``) depending on ``open_file``.
diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index 5ebc26d868..0aefd6bce5 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -371,8 +371,6 @@ its own CSRF cookie.
 ``CSRF_COOKIE_SAMESITE``
 ------------------------
 
-.. versionadded:: 2.1
-
 Default: ``'Lax'``
 
 The value of the `SameSite`_ flag on the CSRF cookie. This flag prevents the
@@ -3050,8 +3048,6 @@ its own session cookie.
 ``SESSION_COOKIE_SAMESITE``
 ---------------------------
 
-.. versionadded:: 2.1
-
 Default: ``'Lax'``
 
 The value of the `SameSite`_ flag on the session cookie. This flag prevents the
diff --git a/docs/ref/templates/builtins.txt b/docs/ref/templates/builtins.txt
index 6332f28c20..7aed6ee6fe 100644
--- a/docs/ref/templates/builtins.txt
+++ b/docs/ref/templates/builtins.txt
@@ -1793,8 +1793,6 @@ If ``value`` is the list ``['a', 'b', 'c']``, the output will be the string
 ``json_script``
 ---------------
 
-.. versionadded:: 2.1
-
 Safely outputs a Python object as JSON, wrapped in a ``<script>`` tag, ready
 for use with JavaScript.
 
diff --git a/docs/ref/utils.txt b/docs/ref/utils.txt
index 06de2731ec..6a7d4b6549 100644
--- a/docs/ref/utils.txt
+++ b/docs/ref/utils.txt
@@ -1128,8 +1128,6 @@ functions without the ``u``.
 
 .. function:: get_supported_language_variant(lang_code, strict=False)
 
-    .. versionadded:: 2.1
-
     Returns ``lang_code`` if it's in the :setting:`LANGUAGES` setting, possibly
     selecting a more generic variant. For example, ``'es'`` is returned if
     ``lang_code`` is ``'es-ar'`` and ``'es'`` is in :setting:`LANGUAGES` but
diff --git a/docs/topics/auth/default.txt b/docs/topics/auth/default.txt
index 640130beb0..fc2b00f109 100644
--- a/docs/topics/auth/default.txt
+++ b/docs/topics/auth/default.txt
@@ -823,12 +823,6 @@ access with an HTTP 403 Forbidden response. Anonymous users are redirected to
 the login page or shown an HTTP 403 Forbidden response, depending on the
 :attr:`~django.contrib.auth.mixins.AccessMixin.raise_exception` attribute.
 
-.. versionchanged:: 2.1
-
-    In older versions, authenticated users who lacked permissions were
-    redirected to the login page (which resulted in a loop) instead of
-    receiving an HTTP 403 Forbidden response.
-
 .. class:: AccessMixin
 
     .. attribute:: login_url
diff --git a/docs/topics/auth/passwords.txt b/docs/topics/auth/passwords.txt
index 4a4497cf8a..1f86a1820c 100644
--- a/docs/topics/auth/passwords.txt
+++ b/docs/topics/auth/passwords.txt
@@ -412,14 +412,6 @@ from the ``User`` model.
     Returns ``False`` if the password is a result of
     :meth:`.User.set_unusable_password`.
 
-    .. versionchanged:: 2.1
-
-        In older versions, this also returns ``False`` if the password is
-        ``None`` or an empty string, or if the password uses a hasher that's
-        not in the :setting:`PASSWORD_HASHERS` setting. That behavior is
-        considered a bug as it prevents users with such passwords from
-        requesting a password reset.
-
 .. _password-validation:
 
 Password validation
@@ -538,10 +530,6 @@ Django includes four validators:
     common passwords. This file should contain one lowercase password per line
     and may be plain text or gzipped.
 
-    .. versionchanged:: 2.1
-
-        In older versions, a list of 1,000 common passwords is used.
-
 .. class:: NumericPasswordValidator()
 
     Validates whether the password is not entirely numeric.
diff --git a/docs/topics/cache.txt b/docs/topics/cache.txt
index 6827b3f40e..57c4a685eb 100644
--- a/docs/topics/cache.txt
+++ b/docs/topics/cache.txt
@@ -329,10 +329,6 @@ cross-process caching is possible. This obviously also means the local memory
 cache isn't particularly memory-efficient, so it's probably not a good choice
 for production environments. It's nice for development.
 
-.. versionchanged:: 2.1
-
-    Older versions use a pseudo-random culling strategy rather than LRU.
-
 Dummy caching (for development)
 -------------------------------
 
@@ -907,8 +903,6 @@ from the cache, not just the keys set by your application. ::
 
 .. method:: cache.touch(key, timeout=DEFAULT_TIMEOUT, version=None)
 
-.. versionadded:: 2.1
-
 ``cache.touch()`` sets a new expiration for a key. For example, to update a key
 to expire 10 seconds from now::
 
diff --git a/docs/topics/i18n/translation.txt b/docs/topics/i18n/translation.txt
index 04b1060909..3b09e41617 100644
--- a/docs/topics/i18n/translation.txt
+++ b/docs/topics/i18n/translation.txt
@@ -1778,10 +1778,6 @@ language choice in the user's session. It also saves the language choice in a
 cookie that is named ``django_language`` by default. (The name can be changed
 through the :setting:`LANGUAGE_COOKIE_NAME` setting.)
 
-.. versionchanged:: 2.1
-
-    In older versions, the cookie is only set if session support isn't enabled.
-
 After setting the language choice, Django looks for a ``next`` parameter in the
 ``POST`` or ``GET`` data. If that is found and Django considers it to be a safe
 URL (i.e. it doesn't point to a different host and uses a safe scheme), a
@@ -2098,10 +2094,6 @@ etc. Untranslated strings for territorial language variants use the translations
 of the generic language. For example, untranslated ``pt_BR`` strings use ``pt``
 translations.
 
-.. versionchanged:: 2.1
-
-    Fallback to the generic language as described above was added.
-
 This way, you can write applications that include their own translations, and
 you can override base translations in your project. Or, you can just build
 a big project out of several apps and put all translations into one big common
diff --git a/docs/topics/migrations.txt b/docs/topics/migrations.txt
index 2f33b97878..ae9c92dc3b 100644
--- a/docs/topics/migrations.txt
+++ b/docs/topics/migrations.txt
@@ -683,10 +683,6 @@ Django can serialize the following:
 - Any class reference (must be in module's top-level scope)
 - Anything with a custom ``deconstruct()`` method (:ref:`see below <custom-deconstruct-method>`)
 
-.. versionchanged:: 2.1
-
-    Serialization support for :class:`functools.partialmethod` was added.
-
 .. versionchanged:: 2.2
 
     Serialization support for ``NoneType`` was added.
diff --git a/docs/topics/testing/tools.txt b/docs/topics/testing/tools.txt
index e656f89124..233edde2ce 100644
--- a/docs/topics/testing/tools.txt
+++ b/docs/topics/testing/tools.txt
@@ -128,10 +128,6 @@ Use the ``django.test.Client`` class to make requests.
     The ``json_encoder`` argument allows setting a custom JSON encoder for
     the JSON serialization that's described in :meth:`post`.
 
-    .. versionchanged:: 2.1
-
-        The ``json_encoder`` argument was added.
-
     Once you have a ``Client`` instance, you can call any of the following
     methods:
 
@@ -221,12 +217,6 @@ Use the ``django.test.Client`` class to make requests.
         :class:`Client`. This serialization also happens for :meth:`put`,
         :meth:`patch`, and :meth:`delete` requests.
 
-        .. versionchanged:: 2.1
-
-            The JSON serialization described above was added. In older versions,
-            you can call :func:`json.dumps` on ``data`` before passing it to
-            ``post()`` to achieve the same thing.
-
         .. versionchanged:: 2.2
 
             The JSON serialization was extended to support lists and tuples. In
@@ -1449,8 +1439,6 @@ your test suite.
 .. method:: SimpleTestCase.assertWarnsMessage(expected_warning, expected_message, callable, *args, **kwargs)
             SimpleTestCase.assertWarnsMessage(expected_warning, expected_message)
 
-    .. versionadded:: 2.1
-
     Analogous to :meth:`SimpleTestCase.assertRaisesMessage` but for
     :meth:`~unittest.TestCase.assertWarnsRegex` instead of
     :meth:`~unittest.TestCase.assertRaisesRegex`.
@@ -1755,12 +1743,6 @@ class. Given::
 ``SampleTestCaseChild.test`` will be labeled with ``'slow'``, ``'core'``,
 ``'bar'``, and ``'foo'``.
 
-.. versionchanged:: 2.1
-
-   In older versions, tagged tests don't inherit tags from classes, and
-   tagged subclasses don't inherit tags from superclasses. For example,
-   ``SampleTestCaseChild.test`` is labeled only with ``'bar'``.
-
 Then you can choose which tests to run. For example, to run only fast tests:
 
 .. console::