diff --git a/build/tasks/build-task.coffee b/build/tasks/build-task.coffee
index 6fe6c775a..efddcd44b 100644
--- a/build/tasks/build-task.coffee
+++ b/build/tasks/build-task.coffee
@@ -51,6 +51,12 @@ module.exports = (grunt) ->
       path.join('pegjs', 'examples')
       path.join('plist', 'tests')
       path.join('xmldom', 'test')
+      path.join('combined-stream', 'test')
+      path.join('delayed-stream', 'test')
+      path.join('fstream-ignore', 'test')
+      path.join('harmony-collections', 'test')
+      path.join('normalize-package-data', 'test')
+      path.join('npm', 'test')
       path.join('jasmine-reporters', 'ext')
       path.join('build', 'Release', 'obj.target')
       path.join('build', 'Release', 'obj')