diff --git a/addons/website_slides/__manifest__.py b/addons/website_slides/__manifest__.py
index b861058b3f5..bf892f0f5b7 100644
--- a/addons/website_slides/__manifest__.py
+++ b/addons/website_slides/__manifest__.py
@@ -76,7 +76,6 @@ Featuring
             'website_slides/static/src/slide_category_list_renderer.js',
             'website_slides/static/src/scss/slide_views.scss',
             'website_slides/static/src/js/slide_category_one2many.js',
-            'website_slides/static/src/js/rating_field_backend.js',
             'website_slides/static/src/js/components/**/*.js',
         ],
         'web.assets_frontend': [
diff --git a/addons/website_slides/static/src/js/rating_field_backend.js b/addons/website_slides/static/src/js/rating_field_backend.js
deleted file mode 100644
index e7dfd1a7633..00000000000
--- a/addons/website_slides/static/src/js/rating_field_backend.js
+++ /dev/null
@@ -1,37 +0,0 @@
-/** @odoo-module **/
-
-import basicFields from 'web.basic_fields';
-import fieldRegistry from 'web.field_registry';
-
-import { qweb as QWeb} from 'web.core';
-
-var FieldFloatRating = basicFields.FieldFloat.extend({
-    xmlDependencies: !basicFields.FieldFloat.prototype.xmlDependencies ?
-        ['/portal_rating/static/src/xml/portal_tools.xml'] : basicFields.FieldFloat.prototype.xmlDependencies.concat(
-            ['/portal_rating/static/src/xml/portal_tools.xml']
-        ),
-    //--------------------------------------------------------------------------
-    // Private
-    //--------------------------------------------------------------------------
-
-    /**
-     * @override
-     * @private
-     */
-    _render: function () {
-        var self = this;
-
-        return Promise.resolve(this._super()).then(function () {
-            self.$el.html(QWeb.render('portal_rating.rating_stars_static', {
-                'val': self.value / 2,
-                'inline_mode': true
-            }));
-        });
-    },
-});
-
-fieldRegistry.add('field_float_rating', FieldFloatRating);
-
-export default {
-    FieldFloatRating: FieldFloatRating,
-};