diff --git a/src/Squidex/Pipeline/RequestLogPerformanceMiddleware.cs b/src/Squidex/Pipeline/RequestLogPerformanceMiddleware.cs
index 428e82614..228566dcc 100644
--- a/src/Squidex/Pipeline/RequestLogPerformanceMiddleware.cs
+++ b/src/Squidex/Pipeline/RequestLogPerformanceMiddleware.cs
@@ -5,8 +5,6 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
-using System.Diagnostics;
-using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Squidex.Infrastructure;