This has been raised previously in the product forums as per:

https://productforums.google.com/forum/#!topic/apps/k1etwf4k9sQ

I've also raised two support tickets with Google over the past two years to get this fixed on my account each time. Support advised that they were no longer offering 'private registration' as an option on renewal with Enom and to transfer to another registrar if this was required...