diff --git a/docs/en/tutorials/book-store/part-09.md b/docs/en/tutorials/book-store/part-09.md
index 5bf9f90af13..8cb88859b6a 100644
--- a/docs/en/tutorials/book-store/part-09.md
+++ b/docs/en/tutorials/book-store/part-09.md
@@ -1038,8 +1038,6 @@ Create a new Razor Component Page, `/Pages/Authors.razor`, in the {{ if UI == "B
 
 * This code is similar to the `Books.razor`, except it doesn't inherit from the `AbpCrudPageBase`, but uses its own implementation.
 * Injects the `IAuthorAppService` to consume the server side HTTP APIs from the UI. We can directly inject application service interfaces and use just like regular method calls by the help of [Dynamic C# HTTP API Client Proxy System](../../framework/api-development/dynamic-csharp-clients.md), which performs REST API calls for us. See the `Authors` class below to see the usage.
-* Injects the `IAuthorizationService` to check [permissions](../../framework/fundamentals/authorization.md).
-* Injects the `IObjectMapper` for [object to object mapping](../../framework/infrastructure/object-to-object-mapping.md).
 
 Create a new code behind file, `Authors.razor.cs`, under the `Pages` folder, with the following content: