EGR Delete (weld up pipe) Do i need to plug up the cooler?

Doing an engine swap this weekend Ordered a block off plate (of course it didnt show) so i was going to weld the pipe up, what do i need to do with the cooler? can i knock a freeze plug in it or what?

not real familure with these six ohs yet

Thanks Travis

p.s. head studs are real easy to do when the engine is on the trailer!!