diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index a881a44..7ac8759 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,8 +1,7 @@
 parameters:
+	checkGenericClassInNonGenericObjectType: false
 	customRulesetUsed: false
 	level: 8
-	bootstrapFiles:
-		- tests/phpstan/bootstrap.php
 	paths:
 		- src/
 	scanDirectories:
diff --git a/tests/phpstan/bootstrap.php b/tests/phpstan/bootstrap.php
deleted file mode 100644
index abaf869..0000000
--- a/tests/phpstan/bootstrap.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-/**
- * Definitions for PHPStan.
- *
- * @author    Pronamic <info@pronamic.eu>
- * @copyright 2005-2023 Pronamic
- * @license   GPL-3.0-or-later
- * @package   Pronamic\WordPress\Pay
- */
-
-define( 'SCRIPT_DEBUG', true );