diff --git a/lib/WebSocketServer.js b/lib/WebSocketServer.js
index 571078f80..8ebd6bf81 100644
--- a/lib/WebSocketServer.js
+++ b/lib/WebSocketServer.js
@@ -73,7 +73,6 @@ class WebSocketServer extends EventEmitter {
         });
         res.end(body);
       });
-      this._server.allowHalfOpen = false;
       this._server.listen(options.port, options.host, options.backlog, callback);
     } else if (options.server) {
       this._server = options.server;