diff --git a/services/catalog/src/EShopOnAbp.CatalogService.Application/CatalogServiceAppService.cs b/services/catalog/src/EShopOnAbp.CatalogService.Application/CatalogServiceAppService.cs
index 702d075b..7c9af03e 100644
--- a/services/catalog/src/EShopOnAbp.CatalogService.Application/CatalogServiceAppService.cs
+++ b/services/catalog/src/EShopOnAbp.CatalogService.Application/CatalogServiceAppService.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-using EShopOnAbp.CatalogService.Localization;
+using EShopOnAbp.CatalogService.Localization;
 using Volo.Abp.Application.Services;
 
 namespace EShopOnAbp.CatalogService
diff --git a/services/catalog/src/EShopOnAbp.CatalogService.HttpApi.Host/DbMigrations/CatalogServiceDatabaseMigrationChecker.cs b/services/catalog/src/EShopOnAbp.CatalogService.HttpApi.Host/DbMigrations/CatalogServiceDatabaseMigrationChecker.cs
index 57be9d19..51277363 100644
--- a/services/catalog/src/EShopOnAbp.CatalogService.HttpApi.Host/DbMigrations/CatalogServiceDatabaseMigrationChecker.cs
+++ b/services/catalog/src/EShopOnAbp.CatalogService.HttpApi.Host/DbMigrations/CatalogServiceDatabaseMigrationChecker.cs
@@ -1,6 +1,6 @@
 using EShopOnAbp.CatalogService.MongoDB;
-using EShopOnAbp.Shared.Hosting.Microservices.DbMigrations;
 using System;
+using EShopOnAbp.Shared.Hosting.Microservices.DbMigrations.MongoDb;
 using Volo.Abp.Data;
 using Volo.Abp.DistributedLocking;
 using Volo.Abp.MultiTenancy;