unsubclass

un- +‎ subclass

unsubclass (third-person singular simple present unsubclasses, present participle unsubclassing, simple past and past participle unsubclassed)

1. (object-oriented programming, transitive) To cause (a previously subclassed window or object) no longer to act like a member of a subclass.
   • 1990, Paul W. Cheatham, David E. Reich, Robert F. G. Robinson, OS/2 presentation manager programming, page 339:

     A good convention for working with multiple subclasses is to only subclass the window procedure that is the first in the call chain and only unsubclass the one that is first.

   • 1996, Ted Coombs, Jason Coombs, Don Brewer, The Netscape LiveWire Sourcebook:

     Unsubclassing the plug-in window ensures that Navigator can continue to function normally once the plug-in module is unloaded.

   • 1997, Douglas A. Young, Netscape developer's guide to plug-ins, page 177:

     It is very important to remember to unsubclass the plug-in window when the plug-in is destroyed.