protected function removeItemAddressesThatAreEqualToOrderAddress($order)
    {
        $deliveryAddressId = $order->getDeliveryAddress()->getContactAddress()->getId();
        foreach ($order->getItems() as $item) {
            $itemEntity = $item->getEntity();
            $this->removeOrderAddressIfContactAddressIdIsEqualTo($itemEntity, $deliveryAddressId);
        }
    }