more /root/Features/Delete Action Button/Trash Can.thread
2008-12-24 12:27:31Bob the BlueBerry
A delete action button, or like a trash can that you could drag the event into (like in very, very early Game Maker versions).
2010-03-16 21:52:43IsmAvatar
We have a delete button that you can click on to delete the selected event, but it currently doesn't support dragging events onto it to delete them. Nor is there any way to delete D&D Actions other than with the keyboard's "Delete" key at this time.

I'm leaving this topic open to encourage support of these features on top of what already exists, but at this time it's not a high priority of mine, and if nobody else implements it, don't expect to see this in a 1.6 release.