Exactly, thanks for the clarification, Mike.
And that's not all, the worst case scenario may be that you screw up the registry and/or the whole installation of Windows. The least of your problems would be an error code window appearing each time Windows needs to play a sound and the file is not there. Another problem could be loading themes downloaded from Microsoft or even third party themes downloaded from sites like deviantART.
I understand that you don't need it, but the system does
If you need to clear some HDD space, there are other resources you can get rid of, hehe