diff --git a/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/ServiceCollectionExtensions.cs b/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/ServiceCollectionExtensions.cs
deleted file mode 100644
index 4b61ae5a6e..0000000000
--- a/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/ServiceCollectionExtensions.cs
+++ /dev/null
@@ -1,67 +0,0 @@
-// This software is part of the Autofac IoC container
-// Copyright © 2017 Autofac Contributors
-// http://autofac.org
-//
-// Permission is hereby granted, free of charge, to any person
-// obtaining a copy of this software and associated documentation
-// files (the "Software"), to deal in the Software without
-// restriction, including without limitation the rights to use,
-// copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following
-// conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-// OTHER DEALINGS IN THE SOFTWARE.
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using JetBrains.Annotations;
-using Microsoft.Extensions.DependencyInjection;
-using Volo.Abp;
-
-namespace Autofac.Extensions.DependencyInjection
-{
-    /// <summary>
-    /// Extension methods on <see cref="IServiceCollection"/> to register the <see cref="IServiceProviderFactory{TContainerBuilder}"/>.
-    /// </summary>
-    public static class ServiceCollectionExtensions
-    {
-        /// <summary>
-        /// Adds the <see cref="AutofacServiceProviderFactory"/> to the service collection.
-        /// </summary>
-        /// <param name="services">The service collection to add the factory to.</param>
-        /// <param name="configurationAction">Action on a <see cref="ContainerBuilder"/> that adds component registrations to the container.</param>
-        /// <returns>The service collection.</returns>
-        public static IServiceCollection AddAutofac(this IServiceCollection services, Action<ContainerBuilder> configurationAction = null)
-        {
-            return services
-                .ClearServiceProviderFactories()
-                .AddSingleton<IServiceProviderFactory<ContainerBuilder>>(new AutofacServiceProviderFactory(configurationAction));
-        }
-
-        private static IServiceCollection ClearServiceProviderFactories([NotNull] this IServiceCollection services)
-        {
-            Check.NotNull(services, nameof(services));
-
-            services.RemoveAll(
-                service => service.ImplementationInstance?
-                               .GetType()
-                               .GetInterfaces()
-                               .Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IServiceProviderFactory<>)) == true
-            );
-
-            return services;
-        }
-    }
-}