Is there hidden data in this .blend file? Trying to minimize the file size I have this .blend file of a beard, and I'm trying to minimize the file size. I reduced the number of vertices from 30,718 to 88, but the file size only went from ~18MB to ~10MB. I can't figure out what the other data might be. 

I have other files with more vertices/objects/materials that are only about 1MB, so it sure seems like something is hidden (at least from my inadequate eyes).

The file:
Yes. There are three packed jpg files. 

Go to UV editor, select the first one, then click on the X button near its name, while holding the shift key. 

Repeat this for the second and the third one, then save this file again. 

A "0" will appear near the deleted images.