diff --git a/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/DomainEvents_Tests.cs b/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/DomainEvents_Tests.cs
index 0b56ec03a5..83298b16e0 100644
--- a/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/DomainEvents_Tests.cs
+++ b/test/Volo.Abp.EntityFrameworkCore.Tests/Volo/Abp/EntityFrameworkCore/DomainEvents_Tests.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
 using Shouldly;