diff --git a/core/themes/olivero/js/polyfills.es6.js b/core/themes/olivero/js/polyfills.es6.js
deleted file mode 100644
index 4e828889138..00000000000
--- a/core/themes/olivero/js/polyfills.es6.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/* eslint-disable */
-/**
- * From https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach#Polyfill
- * Licensed public domain (CC0).
- * @see https://creativecommons.org/publicdomain/zero/1.0/
- * @see https://developer.mozilla.org/en-US/docs/MDN/About
- *
- * @todo Remove when https://www.drupal.org/node/3143465 is fixed.
- */
-if (window.NodeList && !NodeList.prototype.forEach) {
-  NodeList.prototype.forEach = function (callback, thisArg) {
-    thisArg = thisArg || window;
-    for (var i = 0; i < this.length; i++) {
-      callback.call(thisArg, this[i], i, this);
-    }
-  };
-}
-
-/**
- * From https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill
- * Licensed public domain (CC0).
- * @see https://creativecommons.org/publicdomain/zero/1.0/
- * @see https://developer.mozilla.org/en-US/docs/MDN/About
- */
-if (!Element.prototype.matches) {
-  Element.prototype.matches =
-    Element.prototype.msMatchesSelector ||
-    Element.prototype.webkitMatchesSelector;
-}
diff --git a/core/themes/olivero/js/polyfills.js b/core/themes/olivero/js/polyfills.js
deleted file mode 100644
index 7b9214c3e9c..00000000000
--- a/core/themes/olivero/js/polyfills.js
+++ /dev/null
@@ -1,20 +0,0 @@
-/**
-* DO NOT EDIT THIS FILE.
-* See the following change record for more information,
-* https://www.drupal.org/node/2815083
-* @preserve
-**/
-
-if (window.NodeList && !NodeList.prototype.forEach) {
-  NodeList.prototype.forEach = function (callback, thisArg) {
-    thisArg = thisArg || window;
-
-    for (var i = 0; i < this.length; i++) {
-      callback.call(thisArg, this[i], i, this);
-    }
-  };
-}
-
-if (!Element.prototype.matches) {
-  Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
-}
\ No newline at end of file
diff --git a/core/themes/olivero/olivero.libraries.yml b/core/themes/olivero/olivero.libraries.yml
index 679f9e2caf7..1dcf8a8dbd4 100644
--- a/core/themes/olivero/olivero.libraries.yml
+++ b/core/themes/olivero/olivero.libraries.yml
@@ -57,11 +57,12 @@ global-styling:
 
   js:
     js/checkbox.js: {}
-    js/polyfills.js: {}
     js/scripts.js: {}
     js/navigation.js: {}
     js/second-level-navigation.js: {}
   dependencies:
+    - core/drupal.element.matches
+    - core/drupal.nodelist.foreach
     - core/drupal
 
 book: