Destroy a Global Constant
To destroy a global constant that you no longer are using, be sure that you delete all uses of the constant in the application, or Vision cannot compile and run your application.
To destroy a global constant
2. Position the cursor on the name of the constant.
3. Select Destroy from the menu.
Vision asks you to confirm that you want to destroy the constant you have selected.
4. Enter y and press Return Vision removes the constant from the application constants catalog.