diff --git a/lib/grunt/utils.js b/lib/grunt/utils.js
index b868924cef..edc8ef1175 100644
--- a/lib/grunt/utils.js
+++ b/lib/grunt/utils.js
@@ -81,7 +81,6 @@ var util = module.exports = {
       'SL_Safari_5': {
         base: 'SauceLabs',
         browserName: 'safari',
-        platform: 'Mac 10.6',
         version: '5'
       },
       'SL_Safari_6': {