diff --git a/build.js b/build.js
index c39f88c7..83190996 100644
--- a/build.js
+++ b/build.js
@@ -205,7 +205,7 @@ function embed(version, scripts, out, fn, optionals) {
     }
 
     if (version && parseInt(version[0]) < 5 && version[0] !== 'c')  {
-        scripts = scripts.concat(cdnLegacy);
+        // scripts = scripts.concat(cdnLegacy);
     }
 
     scripts.forEach(function (script) {