diff --git a/fundamentals/aot/diagnostics/Rdg10/Program.cs b/fundamentals/aot/diagnostics/Rdg10/Program.cs
deleted file mode 100644
index 50072b7..0000000
--- a/fundamentals/aot/diagnostics/Rdg10/Program.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-using System.Text.Json.Serialization;
-
-var builder = WebApplication.CreateSlimBuilder();
-var todos = new[]
-{
-    new Todo(1, "Write tests"),
-    new Todo(2, "Fix tests")
-};
-
-builder.Services.AddSingleton(todos);
-
-builder.Services.ConfigureHttpJsonOptions(options =>
-{
-    options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default);
-});
-
-var app = builder.Build();
-
-
-app.MapGet("/v1/todos/{id?}", (int? Id, Todo[] todos) =>
-{
-    if (Id.HasValue)
-    {
-        return todos.ToList().Find(todoItem => todoItem.Id == Id)
-   is Todo todo
-       ? Results.Ok(todo)
-       : Results.NotFound();
-    }
-    else
-    {
-        return Results.Ok(todos);
-    }
-
-});
-
-app.Run();
-
-
-public class Todo
-{
-    public DateTime DueDate { get; }
-    public int Id { get; private set; }
-    public string Task { get; private set; }
-
-    // Additional constructors
-    public Todo(int Id, string Task, DateTime DueDate)
-
-    {
-        this.Id = Id;
-        this.Task = Task;
-        this.DueDate = DueDate;
-    }
-
-    public Todo(int Id, string Task)
-        : this(Id, Task, default)
-    {
-    }
-}
-
-[JsonSerializable(typeof(Todo[]))]
-internal partial class AppJsonSerializerContext : JsonSerializerContext
-{
-}
-
diff --git a/fundamentals/aot/diagnostics/Rdg10/Rdg10.csproj b/fundamentals/aot/diagnostics/Rdg10/Rdg10.csproj
deleted file mode 100644
index 8186e5b..0000000
--- a/fundamentals/aot/diagnostics/Rdg10/Rdg10.csproj
+++ /dev/null
@@ -1,11 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <InvariantGlobalization>true</InvariantGlobalization>
-    <PublishAot>true</PublishAot>
-  </PropertyGroup>
-
-</Project>