diff --git a/phpstan/ignore-by-php-version.neon.php b/phpstan/ignore-by-php-version.neon.php
index a88d63bced28..21212110c723 100644
--- a/phpstan/ignore-by-php-version.neon.php
+++ b/phpstan/ignore-by-php-version.neon.php
@@ -1,14 +1,12 @@
 <?php declare(strict_types = 1);
 
-use PHPStan\DependencyInjection\NeonAdapter;
-
-$adapter = new NeonAdapter();
-
 // more inspiration at https://github.com/phpstan/phpstan-src/blob/master/build/ignore-by-php-version.neon.php
-$config = [];
+$includes = [];
 if (PHP_VERSION_ID >= 80000) {
-    $config = array_merge_recursive($config, $adapter->load(__DIR__ . '/baseline-8.1.neon'));
+    $includes[] = __DIR__ . '/baseline-8.1.neon';
 }
+
+$config['includes'] = $includes;
 $config['parameters']['phpVersion'] = PHP_VERSION_ID;
 
 return $config;