diff --git a/resources/build.defaults.yaml b/resources/build.defaults.yaml
index 58c67f5..ffe7ae3 100644
--- a/resources/build.defaults.yaml
+++ b/resources/build.defaults.yaml
@@ -1,9 +1,6 @@
 drupal:
   docroot: web
 
-php:
-  test_runner: phpunit
-
 experimental:
   runStaticAnalysisOnTests: false
 
diff --git a/src/DataTransferObject/ConfigDto.php b/src/DataTransferObject/ConfigDto.php
index 4e2fe71..3cc5016 100644
--- a/src/DataTransferObject/ConfigDto.php
+++ b/src/DataTransferObject/ConfigDto.php
@@ -239,10 +239,6 @@ final class ConfigDto
             'phpunit' => new Assert\Optional(
                 new Assert\IsFalse(),
             ),
-
-            'test_runner' => new Assert\Optional(
-                new Assert\Choice(['phpunit', 'pest', 'paratest']),
-            ),
         ],
     )]
     public array $php;
diff --git a/templates/php/drupal/run.twig b/templates/php/drupal/run.twig
index 6e58a02..d69cc0c 100755
--- a/templates/php/drupal/run.twig
+++ b/templates/php/drupal/run.twig
@@ -111,9 +111,9 @@ function stop {
   docker compose down
 }
 
-{% if not php.phpunit is same as false and not php.test_runner is same as false %}
+{% if not php.phpunit is same as false %}
 function test {
-  _exec php {{ php.test_runner }} --colors=always "${@}"
+  _exec php phpunit --colors=always "${@}"
 }
 {% endif %}