Index: branches/5.3.x/core/kernel/db/cat_event_handler.php
===================================================================
--- branches/5.3.x/core/kernel/db/cat_event_handler.php
+++ branches/5.3.x/core/kernel/db/cat_event_handler.php
@@ -2205,21 +2205,6 @@
 		/* @var $object kDBItem */
 
 		$object->SetDBField($cached_field, $object->GetField($id_field));
-		$options = $object->GetFieldOptions($id_field);
-
-		if ( isset($options['options'][$user_id]) ) {
-			$object->SetDBField($cached_field, $options['options'][$user_id]);
-		}
-		else {
-			$user_config = $this->Application->getUnitConfig('u');
-			$id_field = $user_config->getIDField();
-			$table_name = $user_config->getTableName();
-
-			$sql = 'SELECT Username
-					FROM ' . $table_name . '
-					WHERE ' . $id_field . ' = ' . $user_id;
-			$object->SetDBField($cached_field, $this->Conn->GetOne($sql));
-		}
 	}
 
 	/**