Shader - Cant use TransformObjectToWorldNormal and TransformObjectToWorld

Hi i created an unlit shader and i trying to use the functions TransformObjectToWorldNormal() and TransformObjectToWorld(), and i keep having console erro of:

undeclared identifier 'TransformObjectToWorldNormal'

undeclared identifier 'TransformObjectToWorld'

I tried #include "UnityCG.cginc" but that dont sems to work, i cant find anywhere how to solve this problem.