diff --git a/aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/EntityFrameworkCore/AbpProEntityFrameworkCoreModule.cs b/aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/EntityFrameworkCore/AbpProEntityFrameworkCoreModule.cs
index 1110c83b..be378d36 100644
--- a/aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/EntityFrameworkCore/AbpProEntityFrameworkCoreModule.cs
+++ b/aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/EntityFrameworkCore/AbpProEntityFrameworkCoreModule.cs
@@ -24,11 +24,6 @@ namespace Lion.AbpPro.EntityFrameworkCore
                  * default repositories only for aggregate roots */
                 options.AddDefaultRepositories(includeAllEntities: true);
             });
-
-            Configure<AbpSequentialGuidGeneratorOptions>(options =>
-            {
-                options.DefaultSequentialGuidType = SequentialGuidType.SequentialAsString;
-            });
             
             Configure<AbpDbContextOptions>(options =>
             {