diff --git a/src/QUI/ERP/Discount/Discount.php b/src/QUI/ERP/Discount/Discount.php
index c066ae61035ecf0a847f77542c1f284ba6c753e6..473baf7ac594a3d6ed52a40a12d3a31a1d88ba8d 100644
--- a/src/QUI/ERP/Discount/Discount.php
+++ b/src/QUI/ERP/Discount/Discount.php
@@ -10,7 +10,6 @@
 use QUI\Users\User;
 use QUI\Permissions\Permission;
 use QUI\Utils\Security\Orthos;
-use QUI\ERP\Products\Utils\Calc;
 
 use QUI\ERP\Areas\Utils as AreaUtils;
 
@@ -394,6 +393,7 @@ public function canUsedWith(QUI\ERP\Products\Interfaces\ProductInterface $Produc
             $productCategories = $Product->getCategories();
 
             foreach ($productCategories as $Category) {
+                /* @var $Category QUI\ERP\Products\Category\Category */
                 if ((int)$Category->getId() === (int)$category) {
                     return true;
                 }