How to remove this type of solid layer

[saeed]

as seen in the attached image, no matter if i set infill to %0 ,there is a green type of solid layer in some area, what its called and how to set it off?
thanks all

[S3D-Jason]

Might be related to the top and bottom solid layers. If you set both of those to zero, does it go away?

[saeed]

thank you so much , exactly was related to top layers