diff --git a/addons/website/controllers/main.py b/addons/website/controllers/main.py
index bbbb0c5960b..e6efda5b16a 100644
--- a/addons/website/controllers/main.py
+++ b/addons/website/controllers/main.py
@@ -469,14 +469,6 @@ class Website(Home):
         request.env['web_editor.assets'].make_scss_customization(url, values)
         return True
 
-    @http.route(['/website/multi_render'], type='json', auth="public", website=True)
-    def multi_render(self, ids_or_xml_ids, values=None):
-        View = request.env['ir.ui.view']
-        res = {}
-        for id_or_xml_id in ids_or_xml_ids:
-            res[id_or_xml_id] = View._render_template(id_or_xml_id, values)
-        return res
-
     @http.route(['/website/update_visitor_timezone'], type='json', auth="public", website=True)
     def update_visitor_timezone(self, timezone):
         visitor_sudo = request.env['website.visitor']._get_visitor_from_request()
diff --git a/addons/website/static/src/js/content/lazy_template_call.js b/addons/website/static/src/js/content/lazy_template_call.js
deleted file mode 100644
index f38aab40693..00000000000
--- a/addons/website/static/src/js/content/lazy_template_call.js
+++ /dev/null
@@ -1,43 +0,0 @@
-odoo.define('website.content.lazy_template_call', function (require) {
-'use strict';
-
-var publicWidget = require('web.public.widget');
-
-publicWidget.registry.LazyTemplateRenderer = publicWidget.Widget.extend({
-    selector: '#wrapwrap:has([data-oe-call])',
-
-    /**
-     * Lazy replaces the `[data-oe-call]` elements by their corresponding
-     * template content.
-     *
-     * @override
-     */
-    start: function () {
-        var def = this._super.apply(this, arguments);
-
-        var $oeCalls = this.$('[data-oe-call]');
-        var oeCalls = _.uniq($oeCalls.map(function () {
-            return $(this).data('oe-call');
-        }).get());
-        if (!oeCalls.length) {
-            return def;
-        }
-
-        var renderDef = this._rpc({
-            route: '/website/multi_render',
-            params: {
-                'ids_or_xml_ids': oeCalls,
-            },
-        }).then(function (data) {
-            _.each(data, function (d, k) {
-                var $data = $(d).addClass('o_block_' + k);
-                $oeCalls.filter('[data-oe-call="' + k + '"]').each(function () {
-                    $(this).replaceWith($data.clone());
-                });
-            });
-        });
-
-        return Promise.all([def, renderDef]);
-    },
-});
-});
diff --git a/addons/website/views/assets.xml b/addons/website/views/assets.xml
index 79a723289d2..89638b3bb92 100644
--- a/addons/website/views/assets.xml
+++ b/addons/website/views/assets.xml
@@ -83,7 +83,6 @@
 
         <script type="text/javascript" src="/website/static/src/js/content/website_root.js"/>
         <script type="text/javascript" src="/website/static/src/js/content/compatibility.js"/>
-        <script type="text/javascript" src="/website/static/src/js/content/lazy_template_call.js"/>
         <script type="text/javascript" src="/website/static/src/js/content/menu.js"/>
         <script type="text/javascript" src="/website/static/src/js/content/snippets.animation.js"/>