clean

clean 1. adj.  Used of hardware or software designs, implies
   `elegance in the small', that is, a design or implementation that
   may not hold any surprises but does things in a way that is
   reasonably intuitive and relatively easy to comprehend from the
   outside.  The antonym is `grungy' or {crufty}.  2. v. To
   remove unneeded or undesired files in a effort to reduce clutter:
   "I'm cleaning up my account."  "I cleaned up the garbage and now
   have 100 Meg free on that partition."