diff --git a/Controller/Controller.php b/Controller/Controller.php
index 7d0f4bd..8792073 100755
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -15,7 +15,6 @@ declare(strict_types=1);
 namespace Modules\Exchange\Controller;
 
 use phpOMS\Module\ModuleAbstract;
-use phpOMS\Module\WebInterface;
 
 /**
  * Exchange controller class.
diff --git a/Interfaces/GSD/Importer.php b/Interfaces/GSD/Importer.php
index 445ca28..43b3712 100755
--- a/Interfaces/GSD/Importer.php
+++ b/Interfaces/GSD/Importer.php
@@ -570,7 +570,6 @@ final class Importer extends ImporterAbstract
     {
         $itemAttrType = [];
 
-        // @todo check if attr. types already exist, if yes don't create, just save them in here.
         if (($itemAttrType['tradegroup'] = ItemAttributeTypeMapper::getBy('tradegroup', 'name')) instanceof NullItemAttributeType) {
             $itemAttrType['tradegroup'] = new ItemAttributeType('tradegroup');
             ItemAttributeTypeMapper::create($itemAttrType['tradegroup']);