diff --git a/core/lib/Thelia/Action/Cart.php b/core/lib/Thelia/Action/Cart.php
index 0ade18a77..a9cdb66dc 100644
--- a/core/lib/Thelia/Action/Cart.php
+++ b/core/lib/Thelia/Action/Cart.php
@@ -231,7 +231,7 @@ class Cart extends BaseAction implements EventSubscriberInterface
      *
      * @return CartItem
      */
-    protected function doAddItem(EventDispatcherInterface $dispatcher, \Thelia\Model\Cart $cart, $productId, \Thelia\Model\ProductSaleElements $productSaleElements, $quantity, $productPrices)
+    protected function doAddItem(EventDispatcherInterface $dispatcher, \Thelia\Model\Cart $cart, $productId, \Thelia\Model\ProductSaleElements $productSaleElements, $quantity, ProductPriceTools $productPrices)
     {
         $cartItem = new CartItem();
         $cartItem->setDisptacher($dispatcher);
diff --git a/core/lib/Thelia/Model/ProductPriceQuery.php b/core/lib/Thelia/Model/ProductPriceQuery.php
index e3c9df496..82c30b1db 100644
--- a/core/lib/Thelia/Model/ProductPriceQuery.php
+++ b/core/lib/Thelia/Model/ProductPriceQuery.php
@@ -17,18 +17,4 @@ use Thelia\Model\Base\ProductPriceQuery as BaseProductPriceQuery;
 class ProductPriceQuery extends BaseProductPriceQuery
 {
 
-    public function findByCurrencyAndProductSaleElements($currencyId, $productSaleElementsId)
-    {
-        ArticleQuery::create()->select(array('Id', 'Name'))->find();
-
-        $currencyId = $this->getCurrency();
-        if (null !== $currencyId) {
-            $currency = CurrencyQuery::create()->findOneById($currencyId);
-            if (null === $currency) {
-                throw new \InvalidArgumentException('Cannot found currency id: `' . $currency . '` in product_sale_elements loop');
-            }
-        }
-
-    }
-
 } // ProductPriceQuery
diff --git a/core/lib/Thelia/Model/Tools/ProductPriceTools.php b/core/lib/Thelia/Model/Tools/ProductPriceTools.php
index 04cc28a74..d51a27982 100644
--- a/core/lib/Thelia/Model/Tools/ProductPriceTools.php
+++ b/core/lib/Thelia/Model/Tools/ProductPriceTools.php
@@ -41,14 +41,6 @@ class ProductPriceTools
         $this->promoPrice = $promoPrice;
     }
 
-    /**
-     * @param float $price
-     */
-    public function setPrice($price)
-    {
-        $this->price = $price;
-    }
-
     /**
      * @return float
      */
@@ -57,14 +49,6 @@ class ProductPriceTools
         return $this->price;
     }
 
-    /**
-     * @param float $promoPrice
-     */
-    public function setPromoPrice($promoPrice)
-    {
-        $this->promoPrice = $promoPrice;
-    }
-
     /**
      * @return float
      */