Android and Google System Groups?

Question

Google

SGS II, latest firmware (Android 2.3.5). Google contacts sync enabled. In the list of groups in the standard Contacts application, there are four groups that are labeled as "Google System Group": Colleagues, Family, Friends, My Contacts. My contacts are clear and I have (almost) nothing against them. But the other three are terribly enraged.
The problem is that:
1. These groups do not exist in Google. Generally. Nowhere. They are only on the phone, and gmail contacts added to them do not change in any way and do not belong to any group.
2. These groups cannot be deleted.
3. And, most importantly, these groups cannot be removed from the list!
Q: How do I get rid of this annoying junk on my phone?

Answer 1

1. Go to Google Contacts
2. At the bottom of the page, switch to the previous version of "Contacts"
3. Move users to the desired groups

Answer 2

There is no such functionality as "switch to the previous version of Contacts". The question remains open - how to delete these groups from the smartphone?