diff --git a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
index eec672e718..c00c652500 100644
--- a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
+++ b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
@@ -1,10 +1,8 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.Authorization