diff --git a/Neos.Flow/Classes/ObjectManagement/Configuration/Configuration.php b/Neos.Flow/Classes/ObjectManagement/Configuration/Configuration.php
index 03a83f480a..99a8da025c 100644
--- a/Neos.Flow/Classes/ObjectManagement/Configuration/Configuration.php
+++ b/Neos.Flow/Classes/ObjectManagement/Configuration/Configuration.php
@@ -127,7 +127,7 @@ public function __construct(string $objectName, string $className)
         }
 
         $this->objectName = $objectName;
-        $this->className = ($className ?? $objectName);
+        $this->className = $className;
     }
 
     /**
diff --git a/Neos.Flow/Classes/ObjectManagement/Configuration/ConfigurationBuilder.php b/Neos.Flow/Classes/ObjectManagement/Configuration/ConfigurationBuilder.php
index 94bac7ee24..3aaf4127c6 100644
--- a/Neos.Flow/Classes/ObjectManagement/Configuration/ConfigurationBuilder.php
+++ b/Neos.Flow/Classes/ObjectManagement/Configuration/ConfigurationBuilder.php
@@ -314,7 +314,7 @@ protected function parseScope(string $value): int
      * @return integer The autowiring option translated into one of Configuration::AUTOWIRING_MODE_*
      * @throws InvalidObjectConfigurationException if an invalid option has been specified
      */
-    protected static function parseAutowiring(bool|int $value): int
+    protected static function parseAutowiring(mixed $value): int
     {
         return match ($value) {
             true, Configuration::AUTOWIRING_MODE_ON => Configuration::AUTOWIRING_MODE_ON,