diff --git a/lib/http.js b/lib/http.js
index 9b23ada063..a9cfeddeea 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -8,7 +8,7 @@ exports.IncomingMessage = require('_http_incoming').IncomingMessage;
 
 
 const common = require('_http_common');
-exports.METHODS = util._extend([], common.methods).sort();
+exports.METHODS = common.methods.slice().sort();
 
 
 exports.OutgoingMessage = require('_http_outgoing').OutgoingMessage;