Custom 3d helmet texture fail

Hii,

I,ve just started modding with Mcreator, and its going good so far.

Im testing an existing 3D Helmet model that came in a resource pack.

Now everything went well, except that there is some unwanted pixels of the texture somehow..?

Not sure how to discribe it, so here are some screenshots

https://prnt.sc/1u9ufjz << How its supposed to be

https://prnt.sc/1u9u51q << Ingame

These 2 textures are not supposed to be there.

For a weird reason these 2 things are already on the right spots, but it seems like they are ''extra'' textures added above/underneath the head.

Is there a fix for this, cuz i could really use some help here >.>