diff --git a/phpstan.neon b/phpstan.neon
index efbf455d..eecac9c2 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -44,6 +44,9 @@ parameters:
 		-
 			message: '#^Call to function method_exists\(\) with ''Doctrine\\\\ORM\\\\EntityManager'' and ''create'' will always evaluate to true\.$#'
 			path: src/Doctrine/Mapping/ClassMetadataFactory.php
+		-
+			message: '#^Call to function ini_set\(\) with deprecated option ''assert\.exception''\.$#'
+			path: tests/bootstrap.php
 
 		-
 			message: '#^Call to function method_exists\(\) with Doctrine\\DBAL\\Connection and ''getNativeConnection'' will always evaluate to true\.$#' # needed for older DBAL versions
diff --git a/phpunit.xml b/phpunit.xml
index f4beeb21..93b7e4c7 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -13,9 +13,6 @@
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
 		 convertDeprecationsToExceptions="true"
 >
-	<php>
-		<ini name="assert.exception" value="0"/>
-	</php>
 	<coverage>
         <include>
             <directory suffix=".php">./src</directory>
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index edf6599d..7994f793 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -4,6 +4,8 @@
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
+@ini_set('assert.exception', '0'); // @ deprecated in PHP 8.3
+
 PHPStanTestCase::getContainer();
 
 require_once __DIR__ . '/orm-3-bootstrap.php';