diff --git a/composer.json b/composer.json
index 59b9592..395944d 100644
--- a/composer.json
+++ b/composer.json
@@ -10,17 +10,7 @@
 		"typo3/cms-frontend": "~13.1.0"
 	},
 	"require-dev": {
-		"bnf/phpstan-psr-container": "^1.0",
-		"de-swebhosting/php-codestyle": "^5.2",
 		"de-swebhosting/typo3-extension-buildtools": "dev-TYPO3_13",
-		"ergebnis/composer-normalize": "^2.42",
-		"friendsofphp/php-cs-fixer": "^3.54",
-		"friendsoftypo3/phpstan-typo3": "^0.9.0",
-		"michielroos/typo3scan": "^1.7",
-		"phpstan/phpstan": "^1.10",
-		"phpstan/phpstan-phpunit": "^1.3",
-		"squizlabs/php_codesniffer": "^3.9",
-		"symfony/dom-crawler": "^6.3",
 		"typo3/cms-filelist": "*",
 		"typo3/cms-fluid-styled-content": "~13.1.0",
 		"typo3/cms-install": "*",