STATUS: Enhancement Request SSB-112 exists for potential inclusion in a future release of the product.
WORKAROUND: There is a script provided that can be reviewed for utilization at your own discretion, which can delete subchapters via console.
Usage details: Upload it to the core-firmware and execute it. The script will ask which subchapters should be deleted.
scp stats-clean-ext.sh root@:/mnt/firmware/root
Choose Shells -> Core shell
Select the subchapters to be deleted and press Enter.
Before removal, you should ensure that the selected sub-chapters are not in use in any of the reports.
Nevertheless, if any of the given sub-chapters is still in use in some reports, the script will try to remove them from the appropriate reports.