Remove segments from .MKV

Hey everyone,

I have a .MKV file which links 2 other .MKV files (to play them at two different moments). I would like to remove those links. I've been looking for a while but the best solution I was able to find is a Debian script and my OS is Windows 7.

What I want to do is not to delete the other files (and thus this cannot be the solution), but really to delete the links to the segments.

I am trying to use mkvToolNix: I've already found how to create link (pretty easy) but I haven't managed to find how to delete those.

Thank you,
surreaL-