"There shall not be unto you": What is the intent of this? (Ibid. 4) "You shall not make for yourself a graven image or the likeness, etc." would imply only that it is forbidden to make it. Whence do we derive that you may not keep what is already made? It is, therefore, written "There shall not be unto you."
What About an Idol You Did Not Make
Mekhilta Tractate Bachodesh 6:6