How do you delete all traces of the audio from a presentation?

1. Open the presentation in LecShare Pro
2. From the "Edit" menu, choose "Clear", then "Clear Audio"
3. Save the presentation and quit LecShare Pro.
4. Delete the .mov file that is in the same folder as your .ppt/.pptx file. (It will have the same file name as your .ppt/.pptx file.)
5. Reopen the presentation in LecShare Pro.