diff --git a/addons/website/static/src/js/editor/wysiwyg_multizone.js b/addons/website/static/src/js/editor/wysiwyg_multizone.js
index c0c5bb6b87b..01162f16168 100644
--- a/addons/website/static/src/js/editor/wysiwyg_multizone.js
+++ b/addons/website/static/src/js/editor/wysiwyg_multizone.js
@@ -77,14 +77,13 @@ var WysiwygMultizone = Wysiwyg.extend({
                 });
         });
 
-        // TODO review why this is needed
-        _.each(this.$('.oe_structure[data-editor-message!="False"]'), el => {
-            var isBlank = !el.innerHTML.trim();
-            if (isBlank) {
+        // Ensure :blank oe_structure elements are in fact empty as ':blank'
+        // does not really work with all browsers.
+        for (const el of this.$('.oe_structure')) {
+            if (!el.innerHTML.trim()) {
                 el.innerHTML = '';
             }
-            el.classList.toggle('oe_empty', isBlank);
-        });
+        }
 
         return this._super.apply(this, arguments).then(() => {
             // Showing Mega Menu snippets if one dropdown is already opened