Removing Units or Heroes Icon

[GangSpear]

How can i remove the icon(Image?) in the mini map of heroes and units,any ideas?
Example:

 

[defskull]

1. Object Editor
2. Units Tab
3. Pick any unit
4. Stats - Hide Minimap Display set to True

 

[Bannar]

The second method: import empty model files for MiniMap-Hero.mdx and MiniMapUnitIcon.mdx.

Paths:
UI\MiniMap\MiniMap-Hero.mdx
UI\MiniMap\MiniMapIcon\MiniMapUnitIcon.mdx