A commonly misunderstood verse (by protestants anyway).
Tell me... when Israel was also called a kingdom of priests ("kingdom - Mamlakah " also being translated "royal" on occasion) in Exodus... did God do away with the ministerial priesthood?
Or does your Old Testament end part-way through the second book?
Matthew 5:17 Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.
Luke 24:44 And he said unto them, These are the words which I spake unto you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the prophets, and in the psalms, concerning me.
Furthermore, the levite priests never had a part of the land. They were God's part, He was theirs. Now, as Jesus said, his kingdom is not of this world. 'Nuff said