diff --git a/lib/manager.js b/lib/manager.js
index 9d72a54e94..d442be70bc 100644
--- a/lib/manager.js
+++ b/lib/manager.js
@@ -112,7 +112,8 @@ function Manager (server, options) {
   });
 
   // reset listeners
-  this.oldListeners = server.listeners('request').splice(0);
+  this.oldListeners = server.listeners('request').slice(0);
+  server.removeAllListeners('request');
 
   server.on('request', function (req, res) {
     self.handleRequest(req, res);