diff --git a/assets/js/theme/design-system/dropdown.js b/assets/js/theme/design-system/dropdown.js
index 6eee0c0f562f99743b0fc27b9b9e22f260bdfd52..95b8b62800b64217ab98629dee50a67183f9fa3a 100644
--- a/assets/js/theme/design-system/dropdown.js
+++ b/assets/js/theme/design-system/dropdown.js
@@ -1,7 +1,3 @@
-const CLASSES = {
-    DropdownOpened: 'is-opened'
-};
-
 class Dropdown {
     constructor (selector) {
         this.element = document.querySelector(selector);
@@ -26,7 +22,6 @@ class Dropdown {
         this.state.isOpened = open;
         classAction = this.state.isOpened ? 'add' : 'remove';
         this.dropdownButton.setAttribute('aria-expanded', this.state.isOpened);
-        this.element.classList[classAction](CLASSES.DropdownOpened);
     }
 }