1. Open the Team on Teams panel that you intend to delete the Filter Template;
  2. Click on the Settings button.

    settings_delete.png

  3. Click on the Manage Templates icon;

    Manage

  4. The list of templates will appear. Click the trash can icon to delete the template that you want to remove;

    Delete

  5. A message will appear requesting your confirmation. Click Ok and the web part will refresh and the alert will be removed.