diff --git a/Gruntfile.js b/Gruntfile.js
index 3c90efc4..d8c6938b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -115,7 +115,6 @@ module.exports = function(grunt) {
     },
     uglify: {
       options: {
-        report: 'gzip',
         mangle: true,
         preserveComments: false,
         banner : require('fs').readFileSync('lib/license_header.js').toString()