When you delete a media gallery, you also delete the files associated with the media gallery. Telligent Enterprise does not require you to delete the files before deleting the media gallery.
To delete a media gallery:
Navigate to Control Panel Dashboard > System Administration > Media Gallery Administration > Galleries and groups > Media Galleries > Media Galleries to display the list of media galleries in your Web site.
Click Delete beside the media gallery to remove it from the list. A prompt dialog displays. When you click OK, the file is removed from the list.