i have a number of course that have been upgraded progressively from the old 1.9 days to Moodle 2.5
I want to get rid of the legacy files, because they are causing the backup files to swell to stupid sizes in the 1-3GB range.
But nothing seems to work. Turning them off, doesn't stop them entering the backup. Importing into a new course and then backing up, also doesn't prevent them showing up.
I have seen a lot of talk about this and this tracker issue seems to be about it.
https://tracker.moodle.org/browse/MDL-39780
Is there any way to kill legacy files, so they don't end up in the backup file?