diff --git a/app/Services/Admin/Master/Product/ProductService.php b/app/Services/Admin/Master/Product/ProductService.php
index 45a545d..795c6cb 100644
--- a/app/Services/Admin/Master/Product/ProductService.php
+++ b/app/Services/Admin/Master/Product/ProductService.php
@@ -238,7 +238,6 @@ public function update(Product $product, array $data): Product
             $product->productVariants()
                 ->whereNotIn('id', $existingVariantIds)
                 ->each(function (ProductVariant $variant) {
-                    $variant->productPrices()->delete();
                     $variant->delete();
                 });
 
@@ -417,7 +416,6 @@ public function destroy(Product $product): bool
 
         $result = DB::transaction(function () use ($product) {
             $product->productVariants->each(function (ProductVariant $variant) {
-                $variant->productPrices()->delete();
                 $variant->delete();
             });
 
diff --git a/app/Services/Admin/Master/Product/ProductVariantService.php b/app/Services/Admin/Master/Product/ProductVariantService.php
index ecddb33..3d813bc 100644
--- a/app/Services/Admin/Master/Product/ProductVariantService.php
+++ b/app/Services/Admin/Master/Product/ProductVariantService.php
@@ -184,8 +184,6 @@ public function destroy(Product $product, ProductVariant $variant): bool
         $this->assertNotPending($product);
 
         $result = DB::transaction(function () use ($variant) {
-            $variant->productPrices()->delete();
-
             return $variant->delete();
         });