You should have some desires as a human
being; you cannot live totally without desires.
But those desires should be filtered by the
sense of discrimination within you. Your
buddhi, intelligence, has the function of
judging, deciding, and discriminating which
desires are useful. You should learn to
develop that function within yourself.
Then, decrease your desires. It is the
useless desires that create problems for you.
The Art of Joyful Living
Here's a link about the 4 functions of mind,
Including buddhi, the intelligence which
knows, decides, judges, and discriminates:
Here's a link about fulfilled and unfulfilled
desires in relation to karma: