3D armour problem with MCreator

I created a custom armour model, but when I open it up in minecraft  test environment it has the default armour also loaded up along with it? what should I do to fix it?

In mcreator, it's also asking for the armour layer_1 and layer_2.png so I gave it a transparent image but it still renders the default armor.

This is how it is:

This is how its supposed to be: