diff --git a/Classes/Domain/Index/AbstractIndexer.php b/Classes/Domain/Index/AbstractIndexer.php
index d264b08..6644716 100644
--- a/Classes/Domain/Index/AbstractIndexer.php
+++ b/Classes/Domain/Index/AbstractIndexer.php
@@ -68,10 +68,6 @@ abstract class AbstractIndexer implements IndexerInterface
         $this->identifier = $identifier;
     }
 
-    /**
-     * @param ConnectionInterface $connection
-     * @param ConfigurationContainerInterface $configuration
-     */
     public function __construct(ConnectionInterface $connection, ConfigurationContainerInterface $configuration)
     {
         $this->connection = $connection;
diff --git a/Classes/Domain/Index/TcaIndexer/RelationResolver.php b/Classes/Domain/Index/TcaIndexer/RelationResolver.php
index fb19a4f..6af330e 100644
--- a/Classes/Domain/Index/TcaIndexer/RelationResolver.php
+++ b/Classes/Domain/Index/TcaIndexer/RelationResolver.php
@@ -97,7 +97,7 @@ class RelationResolver implements Singleton
         return array_map('trim', explode(',', $value));
     }
 
-    protected function getUtilityForMode(): string
+    protected function getUtilityForMode() : string
     {
         if (TYPO3_MODE === 'BE') {
             return BackendUtility::class;