Rules Reference Guide Constants Deleting a constant Deleting a constant In the upper-left corner of the Project Explorer, click the View Project/View Groups icon so that you see the Project view. (When the Project view appears, the tooltip for the icon is View Groups.) Select a study or library.The Study or Library Editor appears. Select the Constants tab. Select the constant to delete. Perform one of the following: Click Delete. Right-click, and select Delete. Parent topic: Constants