diff --git a/samples/BookStore/src/Acme.BookStore.Application/Permissions/BookStorePermissions.cs b/samples/BookStore/src/Acme.BookStore.Application/Permissions/BookStorePermissions.cs
index ea8a26d6ef..b1ec575904 100644
--- a/samples/BookStore/src/Acme.BookStore.Application/Permissions/BookStorePermissions.cs
+++ b/samples/BookStore/src/Acme.BookStore.Application/Permissions/BookStorePermissions.cs
@@ -1,5 +1,4 @@
 using System;
-using Volo.Abp.Reflection;
 
 namespace Acme.BookStore.Permissions
 {
@@ -13,7 +12,7 @@ namespace Acme.BookStore.Permissions
         public static string[] GetAll()
         {
             //Return an array of all permissions
-            return ReflectionHelper.GetPublicConstantsRecursively(typeof(BookStorePermissions));
+            return Array.Empty<string>();
         }
     }
 }
\ No newline at end of file