Edge of spline visible?

There is an edge present on my model and i can't seem to remove it even after moving or deleting some points. How can I remove it ?

Picture of Edge of spline visible?
JON-A-TRON25 days ago

That's the sketch you used to revolve and create the lamp shade geometry. You can hide it by clicking the arrow next to Sketches in the Browser and clicking the light bulb next to it in that list.