Pass 3

code/modules/power/apc.dm

@@ -1330,7 +1330,7 @@ obj/machinery/power/apc/proc/autoset(var/val, var/on)
 	area.power_change()
 	if(occupant)
 		malfvacate(1)
-	del(wires)
+	qdel(wires)
 	if(cell)
 		qdel(cell)
 	return ..()

code/modules/power/supermatter/supermatter.dm

@@ -72,7 +72,7 @@
 /obj/machinery/power/supermatter_shard/Destroy()
 	investigate_log("has been destroyed.", "supermatter")
 	qdel(radio)
-	. = ..()
+	return ..()
 
 /obj/machinery/power/supermatter_shard/proc/explode()
 	investigate_log("has exploded.", "supermatter")