Photos/Videos have become system files

Hi,

Trying to clean up my Moto G (3rd Gen), theres 600MB of photos/video stored in DCIM/Camera, and I cannot get rid of them.

They're visible using ES File Explorer, which will let me copy and paste them, cut and paste (original file not removed) and move (which works like copy, i.e. original...

Photos/Videos have become system files

Photos/Videos have become system files