On plasterboard if they are the standard plugs then pull them out. If they are the proper plasterboard plugs which are different I try pull one, but if it’s creating damage and don’t come out punch them trough. Seal the hole in plasterboard so filler sticks nicely and fill. On solid walls pull them out.
How do you get a stuck plug out of a socket?
How to Remove a Broken Prong Stuck in the Outlet
Turn off the circuit breaker to the outlet. Test it with a circuit tester to make sure the power is off. Remove the outlet if the prong will not pull out. Replace the outlet if the prong won’t come out. Change the defective plug.
Can you sand down wall plugs?
But you can fix it just by filling it, then tapping it in slightly, when it starts setting up, or just sand it down, then coat it some more.
Can you reuse Rawl plugs?
As long as the wall plugs are solid in the wall you can re-use them no problem.