diff --git a/addons/website_slides/static/src/js/slides.js b/addons/website_slides/static/src/js/slides.js
index 964eebfcd10..07de74b013b 100644
--- a/addons/website_slides/static/src/js/slides.js
+++ b/addons/website_slides/static/src/js/slides.js
@@ -2,7 +2,6 @@
 
 import publicWidget from '@web/legacy/js/public/public_widget';
 import { deserializeDateTime } from "@web/core/l10n/dates";
-const { DateTime } = luxon;
 
 publicWidget.registry.websiteSlides = publicWidget.Widget.extend({
     selector: '#wrapwrap',
@@ -20,10 +19,10 @@ publicWidget.registry.websiteSlides = publicWidget.Widget.extend({
             // if presentation 7 days, 24 hours, 60 min, 60 second, 1000 millis old(one week)
             // then return fix formate string else timeago
             var displayStr = '';
-            if (datetimeObj && new Date().getTime() - datetimeObj.getTime() > 7 * 24 * 60 * 60 * 1000) {
-                displayStr = DateTime.fromJSDate(datetimeObj).toFormat('DD');
+            if (datetimeObj && new Date().getTime() - datetimeObj.valueOf() > 7 * 24 * 60 * 60 * 1000) {
+                displayStr = datetimeObj.toFormat('DD');
             } else {
-                displayStr = DateTime.fromJSDate(datetimeObj).toRelative();
+                displayStr = datetimeObj.toRelative();
             }
             $(el).text(displayStr);
         });