There's a bit of a contradiction there. You wrote that you are revoking those addresses, but also that you are using those addresses. When you sign a message using one of those addresses, what are we supposed to do? 
Simple: If you receive (p.s. You won't!) a signed message from those "revoked" addresses → ignore that message entirely and its sender!But you wrote:
3) to prove I'm the owner of those Bitcoin addresses.
If they are revoked, then they can't be used to prove that you are the owner of those Bitcoin addresses.