How to clean quick time player items?

... steps: Define VLC as default player for all video formats including ... >Main Interfaces>macos>Keep Recent items (disable) Voilà, like a charm ...  

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 ...