diff --git a/samples/MicroserviceDemo/modules/product/src/ProductManagement.HttpApi/ProductManagement/PublicProductsController.cs b/samples/MicroserviceDemo/modules/product/src/ProductManagement.HttpApi/ProductManagement/PublicProductsController.cs
index c87ee729ac..334629c258 100644
--- a/samples/MicroserviceDemo/modules/product/src/ProductManagement.HttpApi/ProductManagement/PublicProductsController.cs
+++ b/samples/MicroserviceDemo/modules/product/src/ProductManagement.HttpApi/ProductManagement/PublicProductsController.cs
@@ -1,6 +1,5 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
-using ProductManagement;
 using Volo.Abp;
 using Volo.Abp.Application.Dtos;
 using Volo.Abp.AspNetCore.Mvc;