but I don't know how that would affect the lifespan of the device
Originally posted by: DarkThinker
Gparted should be available by default on many GNOME distros. If not install it through your package manager. Delete the partitions then format the drives to FAT again (I format mine to ext2) and that should do it.
Originally posted by: SleepWalkerX
The first thing that comes to mind is dban.