diff --git a/_dev/js/theme/components/responsive.js b/_dev/js/theme/components/responsive.js
index b699b703..fe4eff35 100644
--- a/_dev/js/theme/components/responsive.js
+++ b/_dev/js/theme/components/responsive.js
@@ -39,9 +39,6 @@ function toggleMobileStyles() {
         swapChildren(el, target);
       }
     });
-
-    document.querySelectorAll('[data-collapse-hide-mobile]:not(.show)').forEach((el) => el.classList.remove('collapse'));
-    document.querySelectorAll('[data-modal-hide-mobile].show').forEach((el) => el.classList.remove('show'));
   }
   prestashop.emit('responsive update', {
     mobile: prestashop.responsive.mobile,
diff --git a/modules/ps_mainmenu/ps_mainmenu.tpl b/modules/ps_mainmenu/ps_mainmenu.tpl
index 136f0b13..840fac22 100644
--- a/modules/ps_mainmenu/ps_mainmenu.tpl
+++ b/modules/ps_mainmenu/ps_mainmenu.tpl
@@ -33,7 +33,7 @@
           </div>
           {/if}
           {if $node.children|count}
-            <div class="{if $depth === 0}main-menu__sub {/if} collapse d-md-block" data-collapse-hide-mobile
+            <div class="{if $depth === 0}main-menu__sub {/if} collapse d-md-block"
                  id="top_sub_menu_{$_expand_id}" role="group" aria-labelledby="{$node.page_identifier}"
                  aria-expanded="false" aria-hidden="true">
               <div {if $depth === 0}class="menu-sub__content"{/if}>