qdel

code/game/objects/structures/girders.dm

@@ -140,7 +140,7 @@
 		if(wall_fake)
 			T.can_open = 1
 		T.add_hiddenprint(usr)
-		del(src)
+		qdel(src)
 		return
 
 	else if(istype(W, /obj/item/pipe))
@@ -236,7 +236,7 @@
 
 /obj/structure/girder/cult/dismantle()
 	new /obj/effect/decal/remains/human(get_turf(src))
-	del(src)
+	qdel(src)
 
 /obj/structure/girder/cult/attackby(obj/item/W as obj, mob/user as mob)
 	if(istype(W, /obj/item/weapon/wrench))

code/game/objects/structures/mineral_doors.dm

@@ -123,7 +123,7 @@
 		if(istype(M))
 			for(var/i = (devastated? 1 : 3), i <= oreAmount, i++)
 				new M.stack_type(get_turf(src))
-		del(src)
+		qdel(src)
 
 	ex_act(severity = 1)
 		switch(severity)