Use this procedure to remove an interference condition from a slab or roof slab.
The object from which the interference condition was created remains in the drawing; only the interference condition is removed.
- Select the slab or roof slab.
if the object selected is… then… a slab click 
. 
a roof slab click . - Select the objects to remove as interference conditions, and press Enter. Note: You can also remove interference conditions through the Interference Conditions worksheet.