diff --git a/.gitignore b/.gitignore
index 465cdb4633..60bfe60fe5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,4 @@ validation-report.json
 # Folders to ignore
 node_modules
 bower_components
+/docs-assets/js/customize.js
diff --git a/Gruntfile.js b/Gruntfile.js
index 77477596d8..c60e600ab8 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -72,6 +72,16 @@ module.exports = function(grunt) {
       bootstrap: {
         src: ['<%= concat.bootstrap.dest %>'],
         dest: 'dist/js/<%= pkg.name %>.min.js'
+      },
+      customize: {
+        src: [
+          'docs-assets/js/less.js',
+          'docs-assets/js/jszip.js',
+          'docs-assets/js/uglify.js',
+          'docs-assets/js/filesaver.js',
+          'docs-assets/js/customizer.js'
+        ],
+        dest: 'docs-assets/js/customize.js'
       }
     },
 
diff --git a/_includes/footer.html b/_includes/footer.html
index 56518ac49f..1188e10cf8 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -9,12 +9,8 @@
 <script src="{{ page.base_url }}docs-assets/js/application.js"></script>
 
 {% if page.slug == "customize" %}
-<script src="{{ page.base_url }}docs-assets/js/less.js"></script>
-<script src="{{ page.base_url }}docs-assets/js/jszip.js"></script>
-<script src="{{ page.base_url }}docs-assets/js/uglify.js"></script>
-<script src="{{ page.base_url }}docs-assets/js/filesaver.js"></script>
 <script src="{{ page.base_url }}docs-assets/js/raw-files.js"></script>
-<script src="{{ page.base_url }}docs-assets/js/customizer.js"></script>
+<script src="{{ page.base_url }}docs-assets/js/customize.js"></script>
 {% endif %}
 
 {% comment %}