Hi. No, in most object oriented languages there is no other way to remove an object that remove all the references to it and then force a garbage collector. As Laurent suggested, in this case, the better option is to explore the pointers to such objects to see who are ponting to it. cheers mariano On Mon, Feb 28, 2011 at 9:08 PM, laurent laffont <laurent.laffont@gmail.com>wrote:

If instance is not referenced anymore, you can:

Smalltalk garbageCollect.

If still here, you can search (but not easy) for references with:

PointerExplorer new openExplorerFor: myInstance.

Laurent.

On Mon, Feb 28, 2011 at 8:54 PM, DougEdmunds <dougedmunds@gmail.com>wrote:

...

Is there a way to delete/remove/kill an instance other than by quitting and starting Pharo up again?

In my example, I installed the ContactListEditor package from http://www.pharocasts.com/2011/02/pharo-gui-with-polymorph.html

After several "ContactListEditor open" doIts, I closed most of the windows. I inspected "ContactListEditor allInstances" and it has an array of instances, one for each 'doIt'. The instances are still 'alive', including those whose windows were closed.

If I save and quit Pharo, and restart it, the only instances that are alive are the ones that have open windows.

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