04-09-2016 00:49
04-09-2016 00:49
04-09-2016 01:11
04-09-2016 01:11
What data are you looking to remove? If you'd like to delete your account with its settings and all the tracking data then you need to do this via customer support:
https://help.fitbit.com/?l=en_US&cu=1&fs=ContactUs
Removing a fitbit and then re-adding it will, I think, only delete the tracking data since the last sync.