diff --git a/lib/transports/polling-jsonp.js b/lib/transports/polling-jsonp.js
index 6b2a9965..93aa3a32 100644
--- a/lib/transports/polling-jsonp.js
+++ b/lib/transports/polling-jsonp.js
@@ -7,18 +7,24 @@ var Transport = require('../transport')
   , Polling = require('./polling')
   , util = require('../util')
 
-/**
- * Noop.
- */
-
-function empty () { }
-
 /**
  * Module exports.
  */
 
 module.exports = JSONPPolling;
 
+/**
+ * Cached regular expressions.
+ */
+
+var rNewline = /\n/g
+
+/**
+ * Noop.
+ */
+
+function empty () { }
+
 /**
  * JSONP Polling constructor.
  *