diff --git a/Controller/ApiAttributeController.php b/Controller/ApiAttributeController.php
index dafef68..afb478e 100755
--- a/Controller/ApiAttributeController.php
+++ b/Controller/ApiAttributeController.php
@@ -451,17 +451,17 @@ final class ApiAttributeController extends Controller
         // @todo: I don't think values can be deleted? Only Attributes
         // However, It should be possible to remove UNUSED default values
         // either here or other function?
-        if (!empty($val = $this->validateAttributeValueDelete($request))) {
-            $response->header->status = RequestStatusCode::R_400;
-            $this->createInvalidDeleteResponse($request, $response, $val);
+        // if (!empty($val = $this->validateAttributeValueDelete($request))) {
+        //     $response->header->status = RequestStatusCode::R_400;
+        //     $this->createInvalidDeleteResponse($request, $response, $val);
 
-            return;
-        }
+        //     return;
+        // }
 
-        /** @var \Modules\Billing\Models\BillAttributeValue $billAttributeValue */
-        $billAttributeValue = BillAttributeValueMapper::get()->where('id', (int) $request->getData('id'))->execute();
-        $this->deleteModel($request->header->account, $billAttributeValue, BillAttributeValueMapper::class, 'bill_attribute_value', $request->getOrigin());
-        $this->createStandardDeleteResponse($request, $response, $billAttributeValue);
+        // /** @var \Modules\Billing\Models\BillAttributeValue $billAttributeValue */
+        // $billAttributeValue = BillAttributeValueMapper::get()->where('id', (int) $request->getData('id'))->execute();
+        // $this->deleteModel($request->header->account, $billAttributeValue, BillAttributeValueMapper::class, 'bill_attribute_value', $request->getOrigin());
+        // $this->createStandardDeleteResponse($request, $response, $billAttributeValue);
     }
 
     /**
diff --git a/Controller/ApiBillController.php b/Controller/ApiBillController.php
index 64fafde..39ddce1 100755
--- a/Controller/ApiBillController.php
+++ b/Controller/ApiBillController.php
@@ -726,9 +726,11 @@ final class ApiBillController extends Controller
         $element->bill = new NullBill($bill->id);
 
         // discounts
+        // @todo: implement a addDiscount function
+        /*
         if ($request->getData('discount_percentage') !== null) {
-            // @todo: implement a addDiscount function
         }
+        */
 
         return $element;
     }
diff --git a/Controller/ApiPriceController.php b/Controller/ApiPriceController.php
index 7c304a6..9602395 100755
--- a/Controller/ApiPriceController.php
+++ b/Controller/ApiPriceController.php
@@ -306,7 +306,7 @@ final class ApiPriceController extends Controller
     private function validatePriceCreate(RequestAbstract $request) : array
     {
         $val = [];
-        if (false) {
+        if (($val['name'] = !$request->hasData('name'))) {
             return $val;
         }