pass one fix

code/game/objects/effects/aliens.dm

@@ -178,7 +178,6 @@
 
 /obj/structure/alien/weeds/Destroy()
 	var/turf/T = loc
-	loc = null
 	for (var/obj/structure/alien/weeds/W in range(1,T))
 		W.updateWeedOverlays()
 	linked_node = null

code/game/objects/items/devices/chameleonproj.dm

@@ -124,7 +124,3 @@
 					spawn(25) can_move = 1
 			step(src,direction)
 		return
-
-/obj/effect/dummy/chameleon/Destroy()
-	master.disrupt(0)
-	return ..()

code/game/objects/items/stacks/stack.dm

@@ -24,7 +24,6 @@
 /obj/item/stack/Destroy()
 	if (usr && usr.machine==src)
 		usr << browse(null, "window=stack")
-	src.loc = null
 	return ..()
 
 /obj/item/stack/examine()

code/game/objects/structures/tables_racks.dm

@@ -564,7 +564,7 @@
 	if (istype(I, /obj/item/stack/tile/grass))
 		qdel(I)
 		new /obj/structure/table/woodentable/poker( src.loc )
-		del(src)
+		qdel(src)
 		visible_message("<span class='notice'>[user] adds the grass to the wooden table</span>")