To delete an album in Family Tree builder, please do the following:
Open your project in Family Tree Builder, and go to ‘Photos’ section (click ‘Photos’ icon in the main toolbar).
In the ‘Albums’ tab, click the album that you want to remove, and then click the ‘Delete’ button.
Note: This action does not delete any photos from your project, but only the album. Any photo that is in this album will remain in your family tree, and you can see them in the list of all photos you have added to your project.