A point of vertical intersection (PVI) and vertical curve are removed from a road in a single operation. You can remove a PVI and vertical curve from a road in-model, or by using the Profile View panel.
To remove a vertical curve in the model
Edit. The PVI and vertical curve are removed from the road.
To remove a vertical curve in the Profile View panel
Edit. 

Profile View, right-click the PVI of the vertical curve you want to remove. (Use Ctrl or Shift to select multiple PVIs.) Click Remove PVI. The PVI and vertical curve are removed from the road.