diff --git a/src/AuthSamples/samples/StaticFilesAuth/Startup.cs b/src/AuthSamples/samples/StaticFilesAuth/Startup.cs
index 88cc442b6e..188f818438 100644
--- a/src/AuthSamples/samples/StaticFilesAuth/Startup.cs
+++ b/src/AuthSamples/samples/StaticFilesAuth/Startup.cs
@@ -1,11 +1,14 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using Microsoft.AspNetCore.Authentication.Cookies;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http.Endpoints;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;