diff --git a/res/app/components/stf/screen/screen-directive.js b/res/app/components/stf/screen/screen-directive.js
index 2a07a604..a09752da 100644
--- a/res/app/components/stf/screen/screen-directive.js
+++ b/res/app/components/stf/screen/screen-directive.js
@@ -1,6 +1,6 @@
 var FastImageRender = require('./fast-image-render').FastImageRender
 
-module.exports = function DeviceScreenDirective($document, ScalingService, $rootScope) {
+module.exports = function DeviceScreenDirective($document, ScalingService) {
   return {
     restrict: 'E',
     template: require('./screen.jade'),