Navigation Memory - What is it? Can I claim it back?

Hey all… Quick Q… when i run the console ‘stat memory’ I am seeing 225MB allocation for Navigation Memory.

As I don’t have any characters or AI (hardly anything moving for that matter), is there a way of disabling the Navigation System? I’ve had a look at the Navigation settings within World Settings but nothing seems to remove that 225mb.

I don’t have any Nav Mesh Volumes or similar in my map.

As I’m targeting Console platform, i’d prefer this memory to be available for other things.

Best Regards,