diff --git a/HttpServer/Events/OnWorkerStart.php b/HttpServer/Events/OnWorkerStart.php
index 5679cfa5..c903626c 100644
--- a/HttpServer/Events/OnWorkerStart.php
+++ b/HttpServer/Events/OnWorkerStart.php
@@ -42,10 +42,6 @@ class OnWorkerStart extends Callback
 	{
 		putenv('worker=' . $worker_id);
 
-		Process::signal(SIGUSR1 | SIGUSR2, function () {
-			var_dump(func_get_args());
-		});
-
 		Runtime::enableCoroutine(true, $this->hook);
 
 		Coroutine::set(['enable_deadlock_check' => false]);