1. Click Application Links in the JIRA administration menu. The 'Configure Application Links' page will appear, showing the application links that have been set up.
  2. Look for a link to your application. It will have a base URL of the application linked to JIRA. For example:
  3. Click Delete next to the application link that you want to delete.
  4. A confirmation screen will appear. Click Confirm to delete the application link.