Delete the object with the delete command. You can use it to delete two and three dimensional objects.
Location of the Delete Command
You can access the Delete command from the Drawings tab under the Edit heading.
Usage Steps
Click the Delete icon in the ribbon menu .
Select the objects you want to delete and click the right mouse button.
The objects you selected will be deleted.
Object deletion can be done by pressing the Del/Delete key on the keyboard while the object is selected.