Optimization - Need some tips/help with large landscape

Hi again! I’ve been trying to disable AO but setting the intensity to 0 doesn’t seem to disable it. I can still see it in stat gpu. I also tried r.DistanceFieldAO=0 but that didn’t do the trick, and I cannot find any command for disabling SSAO. Why can’t I get rid of that call!? Edit: showflag.Am…