No, the system is not meant to erase traces - it is rather designed to keep them.
It is not possible to have a perfectly "clean" project, just like it is not possible to get a perfectly "clean" CVS repository in the long run :)
We recommand instead to use new CVS modules, and close/categorize noisy trackers items.
Updated $Date: 2005/04/15 18:20:12 $