---
title: Delete an event handler
description: Delete an event handler that you no longer need in UI Builder.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/application-development/ui-builder/delete-event-handler.html
release: australia
product: UI Builder
classification: ui-builder
topic_type: task
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Manage actions in UI Builder pages, Working in UI Builder, UI Builder, Builder library, Developing your application, Building applications]
---

# Delete an event handler

Delete an event handler that you no longer need in UI Builder.

## Before you begin

Role required: admin

## Procedure

1.  Navigate to **All** > **Now Experience Framework** > **UI Builder**.

2.  Open an experience to work in or create an experience by selecting **Create** > **Experience**.

    For more information, see [Configure how users interact with your applications in UI Builder](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-development/ui-builder/work-experiences.md).

3.  Open or create a page.

    For more information about how to create a page in UI Builder, see [Create a page in UI Builder](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-development/ui-builder/create-page.md).

4.  Select a component with a preset configured.

5.  Select the **Events** tab in the configuration panel.

6.  Select the event handler that you want to delete.

7.  Select **Delete**.

8.  Select **Delete** in the confirmation modal.

9.  The event handler is removed from the associated event mapping.

    If you would like to delete the event mapping, see [Delete an event mapping](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-development/ui-builder/delete-event-mapping.md).


**Parent Topic:**[Manage actions in UI Builder pages](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/application-development/ui-builder/work-events.md)