diff --git a/src/platform/$.coffee b/src/platform/$.coffee
index 8efc55ad3..6d89ac0b6 100644
--- a/src/platform/$.coffee
+++ b/src/platform/$.coffee
@@ -76,12 +76,6 @@ $.ajax = do ->
     if /\.json$/.test url
       options.responseType ?= 'json'
     $.extend r, options
-    # XXX https://code.google.com/p/chromium/issues/detail?id=119256 (Maxthon is still on Chromium 30)
-    if options.responseType is 'json' and r.responseType isnt 'json' and delete r.response
-      Object.defineProperty r, 'response',
-        configurable: true
-        enumerable:   true
-        get: -> return JSON.parse r.responseText
     $.extend r.upload, upCallbacks
     r.send form
     r