How clean quicktimeplayer on lion?

It is impossible to do it in QuiskTime. The best option I found is not to use QuickTime anymore and use VLC instead, steps: 1. Define VLC as default player for all video formats including MP4 2. Open ...  

I am looking for the same answer - there must be a way, but how  

I did that too, but be aware that when you right click on the Quick time player in the dock, it still shows all your history there, how to erase and disable this I would like to know.....  

Thanks, is working. :) I follow this command and is working.  

... hitting Clear Menu, you will clean QuickTime's recent files. When selecting ...