Use this procedure to delete a level from a building. 
- On the Quick Access toolbar, click Project Navigator 
.  
- Click the Project tab, and under Levels, click 
.  
- Click the name of the level to delete. 
 
- Delete the level using either of the following methods: 
- Right-click, and click Delete Level. 
 
- In the Levels dialog box, click 
.  
  
- Click OK. 
 
- Click Yes in the subsequent dialog box to update the changed level information throughout the project. 
Note: Constructs assigned to the deleted level are not deleted.