diff --git a/Gruntfile.js b/Gruntfile.js
index e0982d0423..8bed4052cb 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -47,7 +47,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"pixelegg/css/pixelegg.css",
 						"api/templates/default/print.css",
@@ -61,7 +60,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"pixelegg/css/mobile.css",
 						"api/templates/default/print.css",
@@ -88,7 +86,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"pixelegg/css/monochrome.css",
 						"api/templates/default/print.css",
@@ -102,7 +99,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"pixelegg/css/pixelegg.css",
 						"api/templates/default/print.css",
@@ -120,7 +116,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"api/templates/default/default.css",
 						"jdots/egw_fw.css",
@@ -137,7 +132,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"api/templates/default/default.css",
 						"jdots/egw_fw.css",
@@ -153,7 +147,6 @@ module.exports = function (grunt) {
 						"vendor/bower-asset/cropper/dist/cropper.min.css",
 						"api/templates/default/css/flags.css",
 						"api/templates/default/css/htmlarea.css",
-						"api/templates/default/def_tutorials.css",
 						"api/templates/default/etemplate2.css",
 						"api/templates/default/default.css",
 						"jdots/egw_fw.css",