FunnelFlux lets you delete or reset old statistics that are no longer useful.
Removing records will free-up disk/database space on your server.
Navigate to "Data Updates" then "Reset Stats".
Select the date range and UTC of the stats or record you want to delete
Select the restriction on which funnel to delete the stats from
Choose the traffic source you want to delete the stats from
A total number of entrances will show that will be deleted permanently
Then click " RESET THESE STATS" to delete the data
Note: Keep in mind that this action is not reversible and do this with caution.