To unassign a macro from a region:
In the Hierarchy window (Logical or Physical tab), select the macro to unassign.
From the Logic menu, choose Unassign From Region.
Tip: You can also right-click the macro, and choose Unassign From Region.
You can also unassign all macros from a specific region.
To unassign all macros from a region:
Select the region from which to unassign all macros.
From the Logic menu, choose Unassign All From Region.