Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
After messing around with it for a while I came to the conclusion that the only way for it to work properly is to start with a clean install of iOS and OSX on all devices.

----------

...and with a new iCloud account.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.