---
sourceDocument: Yokohama Build or modify applications
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/application-development

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Delete an event handler

# Delete an event handler {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

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

## Before you begin

Role required: admin

## Procedure

1. Navigate to AllNow Experience FrameworkUI Builder.
2. Open an experience to work in or create an experience by selecting CreateExperience.  
   For more information, see [Configure how users interact with your applications in UI Builder](https://servicenow-prod.fluidtopics.net/nDWg0NsWQpdF_OppvTVe5g "Learn what an experience is in UI Builder. Understand what an experience contains.").
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://servicenow-prod.fluidtopics.net/qg0Cc5eGfpImb71VJtmSew "Create a page in UI Builder for a portal, workspace, or custom application so that you can build a web experience for your users.").
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://servicenow-prod.fluidtopics.net/arwOv1ChCaMEa_YHrxLucw "Delete an event mapping that you no longer need in UI Builder.").
{#delete-event-handler__steps_kkv_nqq_ytb}

*[\>]: and then