diff --git a/code/controllers/Processes/planet.dm b/code/controllers/Processes/planet.dm
index 2629bc1d89..7b446b4d2d 100644
--- a/code/controllers/Processes/planet.dm
+++ b/code/controllers/Processes/planet.dm
@@ -2,6 +2,7 @@ var/datum/controller/process/planet/planet_controller = null
 
 /datum/controller/process/planet
 	var/list/planets = list()
+	var/list/z_to_planet = list()
 
 /datum/controller/process/planet/setup()
 	name = "planet controller"
@@ -30,6 +31,12 @@ var/datum/controller/process/planet/planet_controller = null
 				break
 	planetary_walls.Cut()
 
+/datum/controller/process/planet/proc/unallocateTurf(var/turf/T)
+	for(var/planet in planets)
+		var/datum/planet/P = planet
+		if(T.z in P.expected_z_levels)
+			P.planet_floors -= T
+
 /datum/controller/process/planet/doWork()
 	if(outdoor_turfs.len || planetary_walls.len)
 		allocateTurfs()
diff --git a/code/game/turfs/simulated/outdoors/outdoors.dm b/code/game/turfs/simulated/outdoors/outdoors.dm
index 68e83f7d7f..75c7e68083 100644
--- a/code/game/turfs/simulated/outdoors/outdoors.dm
+++ b/code/game/turfs/simulated/outdoors/outdoors.dm
@@ -31,7 +31,7 @@ var/list/outdoor_turfs = list()
 
 /turf/simulated/floor/Destroy()
 	if(outdoors)
-		outdoor_turfs.Remove(src)
+		planet_controller.unallocateTurf(src)
 	..()
 
 /turf/simulated/proc/update_icon_edge()