How do I add and delete units from a nation?

[Epaminondas]

Can someone tell me what I am doing wrong here?

I also want to boost province test, so I wanted to see if I can change the Early Arco province defense to Hoplite (I moved them to EA) and Agema Companions (I moved them too).

So I put:

#selectnation 0
#defcom1 746
#defcom2 242
#defunit1 14
#defunit2 1553
#defmult1 4
#defmult2 4
#end

I thought the above cleared the default Early Arco province defense, but the result is that--while I do get the Hoplites and Agemas, and the new commanders are there too--the default province defense (that is, Cardaces, Slingers, and Peltasts, but no Myrmidons?) also seems to be around.