diff --git a/grunt.tasks.js b/grunt.tasks.js
index 10185910..acccbe3e 100644
--- a/grunt.tasks.js
+++ b/grunt.tasks.js
@@ -36,8 +36,6 @@ module.exports = function(grunt) {
         'electron',
         'sign-exe:win32-build-x64',
         'sign-exe:win32-build-ia32',
-        'copy:desktop-darwin-helper-x64',
-        'copy:desktop-darwin-installer',
         'copy:desktop-windows-helper-ia32',
         'copy:desktop-windows-helper-x64',
         'chmod:linux-desktop-x64'