diff --git a/.gitattributes b/.gitattributes
index 75f3a26..4fc1008 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -11,7 +11,6 @@
 /.phpstorm.meta.php export-ignore
 /.prettierrc.js export-ignore
 /Tests/ export-ignore
-/codeception.yml export-ignore
 /package.json export-ignore
 /phive.xml export-ignore
 /phpcs.xml export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c7a446..71ace87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ### Deprecated
 
 ### Removed
+- Remove the ancient acceptance tests (#512)
 
 ### Fixed
 - Have all extension dependencies in the `ext_emconf.php` as well (#515)
diff --git a/Documentation/Running.rst b/Documentation/Running.rst
index 12eb4ee..532e36b 100644
--- a/Documentation/Running.rst
+++ b/Documentation/Running.rst
@@ -259,23 +259,3 @@ settings:
 -  (*) Use alternative configuration file.
 -  Use
    `.Build/vendor/typo3/testing-framework/Resources/Core/Build/FunctionalTests.xml`.
-
-.. _running-acceptance-tests:
-
-Running acceptance tests
-========================
-
-1. Make sure you have Chrome installed on your machine.
-2. `Download the latest version of ChromeDriver <https://chromedriver.chromium.org/downloads>`__.
-3. Unzip it.
-4. Execute `chromedriver --url-base=wd/hub`.
-5. In another terminal, run `.Build/vendor/bin/codecept run`.
-
-.. _running-acceptance-tests-in-phpstorm:
-
-Running acceptance tests in PhpStorm
-====================================
-
-1. Make sure the "Codeception Framework" plugin is activated.
-2. Right-click on `Tests/Acceptance/StarterCest.php`.
-3. Run 'Acceptance (Codeception)'.
diff --git a/Tests/Acceptance/StarterCest.php b/Tests/Acceptance/StarterCest.php
deleted file mode 100644
index 11ab7ec..0000000
--- a/Tests/Acceptance/StarterCest.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace TTN\Tea\Tests\Acceptance;
-
-/**
- * Test case.
- */
-class StarterCest
-{
-    public function _before(\AcceptanceTester $I): void
-    {
-        $I->amOnPage('/');
-    }
-
-    public function seeAuthorName(\AcceptanceTester $I): void
-    {
-        $I->see('Oliver Klee');
-    }
-
-    public function canNavigateToPastWorkshops(\AcceptanceTester $I): void
-    {
-        $I->click('Workshops');
-        $I->click('Rückblick');
-        $I->see('2017 (17)');
-    }
-}
diff --git a/Tests/Acceptance/_support/AcceptanceTester.php b/Tests/Acceptance/_support/AcceptanceTester.php
deleted file mode 100644
index a42108f..0000000
--- a/Tests/Acceptance/_support/AcceptanceTester.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/**
- * Inherited Methods.
- * @method void wantToTest($text)
- * @method void wantTo($text)
- * @method void execute($callable)
- * @method void expectTo($prediction)
- * @method void expect($prediction)
- * @method void amGoingTo($argumentation)
- * @method void am($role)
- * @method void lookForwardTo($achieveValue)
- * @method void comment($description)
- * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = null)
- *
- * @SuppressWarnings(PHPMD)
- */
-class AcceptanceTester extends \Codeception\Actor
-{
-    use _generated\AcceptanceTesterActions;
-
-    // Define custom actions here
-}
diff --git a/Tests/Acceptance/_support/Helper/Acceptance.php b/Tests/Acceptance/_support/Helper/Acceptance.php
deleted file mode 100644
index 5daf61f..0000000
--- a/Tests/Acceptance/_support/Helper/Acceptance.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Helper;
-
-// here you can define custom actions
-// all public methods declared in helper class will be available in $I
-
-class Acceptance extends \Codeception\Module
-{
-}
diff --git a/Tests/Acceptance/_support/_generated/.gitignore b/Tests/Acceptance/_support/_generated/.gitignore
deleted file mode 100644
index c96a04f..0000000
--- a/Tests/Acceptance/_support/_generated/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
\ No newline at end of file
diff --git a/codeception.yml b/codeception.yml
deleted file mode 100644
index 2541021..0000000
--- a/codeception.yml
+++ /dev/null
@@ -1,37 +0,0 @@
----
-suites:
-  acceptance:
-    actor: AcceptanceTester
-    modules:
-      enabled:
-        - WebDriver:
-            browser: chrome
-            url: "https://www.oliverklee.de"
-        - \Helper\Acceptance
-    path: "."
-extensions:
-  enabled:
-    - Codeception\Extension\RunFailed
-gherkin: [ ]
-modules:
-  config:
-    WebDriver:
-      browser: chrome
-      capabilities:
-        chromeOptions:
-          args:
-            - "--headless"
-            - "--disable-gpu"
-      port: 9515
-      window_size: false
-params:
-  - env
-paths:
-  data: .Build/public/typo3temp/var/tests/_data
-  envs: .Build/public/typo3temp/var/tests/_envs
-  output: .Build/public/typo3temp/var/tests/_output
-  support: Tests/Acceptance/_support
-  tests: Tests/Acceptance
-settings:
-  lint: true
-  shuffle: false
diff --git a/composer.json b/composer.json
index e8c3b63..81383eb 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,6 @@
 		"typo3/cms-frontend": "^10.4 || ^11.5.2"
 	},
 	"require-dev": {
-		"codeception/codeception": "^4.2.2",
 		"doctrine/dbal": "^2.13.8",
 		"ergebnis/composer-normalize": "^2.19.0",
 		"friendsofphp/php-cs-fixer": "^3.4.0",
@@ -187,7 +186,6 @@
 			"rm .prettierrc.js",
 			"rm package.json",
 			"rm stylelint.config.js",
-			"rm codeception.yml",
 			"rm phive.xml",
 			"rm phpstan-baseline.neon",
 			"rm phpstan.neon",
diff --git a/phpcs.xml b/phpcs.xml
index 7b1092b..3225022 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -16,9 +16,7 @@
 
     <!-- Classes -->
     <rule ref="Generic.Classes.DuplicateClassName"/>
-    <rule ref="PSR1.Classes.ClassDeclaration">
-        <exclude-pattern>Tests/Acceptance/_support/</exclude-pattern>
-    </rule>
+    <rule ref="PSR1.Classes.ClassDeclaration"/>
     <rule ref="Squiz.Classes.ClassFileName"/>
     <rule ref="Squiz.Classes.DuplicateProperty"/>
     <rule ref="Squiz.Classes.LowercaseClassKeywords"/>
@@ -67,9 +65,7 @@
     <rule ref="Squiz.Functions.GlobalFunction"/>
 
     <!-- Methods -->
-    <rule ref="PSR2.Methods.MethodDeclaration.Underscore">
-        <exclude-pattern>Tests/Acceptance/</exclude-pattern>
-    </rule>
+    <rule ref="PSR2.Methods.MethodDeclaration.Underscore"/>
 
     <!-- Metrics -->
     <rule ref="Generic.Metrics.CyclomaticComplexity"/>
diff --git a/phpstan.neon b/phpstan.neon
index 427225f..1087410 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -20,6 +20,3 @@ parameters:
     - Classes
     - Configuration
     - Tests
-
-  excludePaths:
-    - Tests/Acceptance/