diff --git a/composer.json b/composer.json
index bfa6e3e59..254486913 100644
--- a/composer.json
+++ b/composer.json
@@ -55,8 +55,6 @@
         "drupol/php-conventions": "^5",
         "fakerphp/faker": "^1.13",
         "nelmio/alice": "^3.8",
-        "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^1.0",
         "phpstan/phpstan-strict-rules": "^1.0",
         "phpunit/phpunit": "^7.0",
         "symfony/debug-bundle": "^5.1",