diff --git a/Documentation/PageTsconfig/TceMain.rst b/Documentation/PageTsconfig/TceMain.rst
index 933f1293..cd0c0331 100644
--- a/Documentation/PageTsconfig/TceMain.rst
+++ b/Documentation/PageTsconfig/TceMain.rst
@@ -295,14 +295,14 @@ set, the page access permissions are copied from the parent page.
 Example: Inherit the group id of the parent page
 """"""""""""""""""""""""""""""""""""""""""""""""
 
-..  code-block:: php
-    :caption: config/system/settings.php | typo3conf/system/settings.php
-
-    $GLOBALS['TYPO3_CONF_VARS']['BE']['defaultPageTSconfig'] .= '
-        TCEMAIN.permissions.groupid = copyFromParent
-        TCEMAIN.permissions.group = 31
-        TCEMAIN.permissions.everybody = 0
-    ';
+..  code-block:: typoscript
+    :caption: EXT:my_extension/Configuration/page.tsconfig
+
+    TCEMAIN.permissions {
+        groupid = copyFromParent
+        group = 31
+        everybody = 0
+    }
 
 By default all new pages created by users will inherit the group of the parent
 page. Members of this group get all permissions. Users not in the group get no
diff --git a/Documentation/UsingSetting/PageTSconfig.rst b/Documentation/UsingSetting/PageTSconfig.rst
index 0ca78166..ecfcc034 100644
--- a/Documentation/UsingSetting/PageTSconfig.rst
+++ b/Documentation/UsingSetting/PageTSconfig.rst
@@ -62,20 +62,6 @@ can also set the page TSconfig globally.
 The PSR-14 event :ref:`t3coreapi:BeforeLoadedPageTsConfigEvent` is available to
 add global static page TSconfig before anything else is loaded.
 
-.. _page-tsconfig-v11-v12:
-
-Global page TSconfig, compatible with TYPO3 v11 and v12
--------------------------------------------------------
-
-In TYPO3 v11 installations the content of :file:`Configuration/page.tsconfig`
-is not loaded automatically yet. You can achieve compatibility with both
-TYPO3 v11 and v12 by importing the content of this file with the API function
-:php:`ExtensionManagementUtility::addPageTSConfig`:
-
-..  literalinclude:: _PageTSconfig/_ext_localconf_page_tsconfig_v11.php
-    :language: php
-    :caption: EXT:my_sitepackage/ext_localconf.php
-
 .. _include-static-page-tsconfig-per-site:
 
 Page TSconfig on site level
diff --git a/Documentation/UsingSetting/UserTSconfig.rst b/Documentation/UsingSetting/UserTSconfig.rst
index a1b60356..e6666daa 100644
--- a/Documentation/UsingSetting/UserTSconfig.rst
+++ b/Documentation/UsingSetting/UserTSconfig.rst
@@ -81,23 +81,6 @@ this file:
 The PSR-14 event :ref:`t3coreapi:BeforeLoadedUserTsConfigEvent` is available to
 add global static user TSconfig before anything else is loaded.
 
-User TSconfig, compatible with TYPO3 v12 and v13
-------------------------------------------------
-
-In TYPO3 v12 installations the content of :file:`Configuration/user.tsconfig` is
-not loaded automatically. You can achieve compatibility with both TYPO3 v12 and
-v13 by importing the content of this file with the API function
-:php:`ExtensionManagementUtility::addUserTSConfig`:
-
-..  literalinclude:: _UserTSconfig/_ext_localconf_v12.php
-    :language: php
-    :caption: EXT:my_sitepackage/ext_localconf.php
-
-..  deprecated:: 13.0
-    The method :php:`\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addUserTSConfig()`
-    has been marked as deprecated in TYPO3 v13 and will be removed with TYPO3
-    v14.
-
 ..  index:: pair: User TSconfig; Verify configuration
 ..  _userverifyingthefinalconfiguration:
 
diff --git a/Documentation/UsingSetting/_PageTSconfig/_ext_localconf_page_tsconfig_v11.php b/Documentation/UsingSetting/_PageTSconfig/_ext_localconf_page_tsconfig_v11.php
deleted file mode 100644
index e08bb9ae..00000000
--- a/Documentation/UsingSetting/_PageTSconfig/_ext_localconf_page_tsconfig_v11.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use TYPO3\CMS\Core\Information\Typo3Version;
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
-
-defined('TYPO3') or die();
-
-$versionInformation = GeneralUtility::makeInstance(Typo3Version::class);
-// Only include page.tsconfig if TYPO3 version is below 12 so that it is not imported twice.
-if ($versionInformation->getMajorVersion() < 12) {
-    ExtensionManagementUtility::addPageTSConfig(
-        '@import "EXT:my_sitepackage/Configuration/page.tsconfig"'
-    );
-}
diff --git a/Documentation/UsingSetting/_UserTSconfig/_ext_localconf_v12.php b/Documentation/UsingSetting/_UserTSconfig/_ext_localconf_v12.php
deleted file mode 100644
index 35b653d5..00000000
--- a/Documentation/UsingSetting/_UserTSconfig/_ext_localconf_v12.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use TYPO3\CMS\Core\Information\Typo3Version;
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
-
-defined('TYPO3') or die();
-
-$versionInformation = GeneralUtility::makeInstance(Typo3Version::class);
-// Only include user.tsconfig if TYPO3 version is below 13 so that it is not imported twice.
-if ($versionInformation->getMajorVersion() < 13) {
-    ExtensionManagementUtility::addUserTSConfig(
-        '@import "EXT:my_sitepackage/Configuration/user.tsconfig"'
-    );
-}