diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index d7fe510b11..164f6e990f 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -322,7 +322,7 @@ class Tooltip {
       // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
       if ('ontouchstart' in document.documentElement) {
         Util.makeArray(document.body.children).forEach((element) => {
-          EventHandler.on(element, 'mouseover', Util.noop)
+          EventHandler.on(element, 'mouseover', Util.noop())
         })
       }
 
@@ -381,7 +381,7 @@ class Tooltip {
     // empty mouseover listeners we added for iOS support
     if ('ontouchstart' in document.documentElement) {
       Util.makeArray(document.body.children)
-        .forEach((element) => EventHandler.off(element, 'mouseover', Util.noop))
+        .forEach((element) => EventHandler.off(element, 'mouseover', Util.noop()))
     }
 
     this._activeTrigger[Trigger.CLICK] = false
diff --git a/js/src/util.js b/js/src/util.js
index de4f061bbe..667f46076f 100644
--- a/js/src/util.js
+++ b/js/src/util.js
@@ -235,8 +235,9 @@ const Util = {
     return Util.findShadowRoot(element.parentNode)
   },
 
-  // eslint-disable-next-line no-empty-function
   noop() {
+    // eslint-disable-next-line no-empty-function
+    return function () {}
   },
 
   get jQuery() {