diff --git a/src/Microsoft.AspNet.Authentication.Cookies/CookieServiceCollectionExtensions.cs b/src/Microsoft.AspNet.Authentication.Cookies/CookieServiceCollectionExtensions.cs
deleted file mode 100644
index 00132beac2..0000000000
--- a/src/Microsoft.AspNet.Authentication.Cookies/CookieServiceCollectionExtensions.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using Microsoft.AspNet.Authentication.Cookies;
-using Microsoft.Extensions.Configuration;
-
-namespace Microsoft.Extensions.DependencyInjection
-{
-    /// <summary>
-    /// Extension methods for setting up cookie authentication services in an <see cref="IServiceCollection" />.
-    /// </summary>
-    public static class CookieServiceCollectionExtensions
-    {
-        /// <summary>
-        /// Adds cookie authentication services to the specified <see cref="IServiceCollection" />. 
-        /// </summary>
-        /// <param name="services">The <see cref="IServiceCollection" /> to add services to.</param>
-        /// <param name="configure">An action delegate to configure the provided <see cref="CookieAuthenticationOptions"/>.</param>
-        /// <returns>A reference to this instance after the operation has completed.</returns>
-        public static IServiceCollection AddCookieAuthentication(this IServiceCollection services, Action<CookieAuthenticationOptions> configure)
-        {
-            if (services == null)
-            {
-                throw new ArgumentNullException(nameof(services));
-            }
-
-            if (configure == null)
-            {
-                throw new ArgumentNullException(nameof(configure));
-            }
-
-            return services.Configure(configure);
-        }
-
-        /// <summary>
-        /// Adds cookie authentication services to the specified <see cref="IServiceCollection" />. 
-        /// </summary>
-        /// <param name="services">The <see cref="IServiceCollection" /> to add services to.</param>
-        /// <param name="config">An <see cref="IConfiguration"/> instance that contains configuration data representing  a <see cref="CookieAuthenticationOptions"/>.</param>
-        /// <returns>A reference to this instance after the operation has completed.</returns>
-        public static IServiceCollection AddCookieAuthentication(this IServiceCollection services, IConfiguration config)
-        {
-            if (services == null)
-            {
-                throw new ArgumentNullException(nameof(services));
-            }
-
-            if (config == null)
-            {
-                throw new ArgumentNullException(nameof(config));
-            }
-
-            return services.Configure<CookieAuthenticationOptions>(config);
-        }
-    }
-}