If it's expired, you'll want to get rid of your spray paint can, if it can't be recovered even using any of the above ways.  Check to see if there's anything else you can do before you do anything else. If the can is empty. They can be recycled with your regular recycling. Otherwise, it must be removed from your usual recycling and set aside for any local authority-arranged pickups or brought to a recycling facility for proper disposal. Always verify the can's directions for how to dispose of it and the recycling rules in your area.