To remove a friend, go through the ranking on the home screen, then "Manage my friends". Referrals can't be removed.
What to do
- On the home screen, tap the ranking.
- Tap "Manage my friends", then "Your friends".
- Choose the friend to remove and tap "Edit".
- Tap "Remove from your friends", then confirm with "Delete".
Good to know
You also disappear from that person's friend list.