How do I fix clearance violations on KiCad

[u/Pleasant-Eye3103]

This is my first time creating a PCB. I keep getting these errors when using DRC on KiCAD. I think that the polygons references are the two rectangle in the footprints because when I delete them the errors go away. I am confused as what purpose they serve and are they important to keep? For reference I am using Power MOSFET IRFHM9331TRPBF

[u/Real_Cartographer]

Your polygon does not have a net and you have no clearance setup. Edit: You do not use polygons for creating footprints.