That's something that plagued my ThinkPads since forever, made worse when they moved from the rounded trackpoint nub to the flat one. Easy fix, take out the rub

That's something that plagued my ThinkPads since forever, made worse when they moved from the rounded trackpoint nub to the flat one. Easy fix, take out the rubber trackpoint nub and put it back (maybe clean the area a bit). Or disable it if you're more productive with the touchpad.