diff --git a/code/controllers/subsystem/vis_overlays.dm b/code/controllers/subsystem/vis_overlays.dm
index b672217480..c862b2a3e3 100644
--- a/code/controllers/subsystem/vis_overlays.dm
+++ b/code/controllers/subsystem/vis_overlays.dm
@@ -5,14 +5,10 @@ SUBSYSTEM_DEF(vis_overlays)
 	init_order = INIT_ORDER_VIS
 
 	var/list/vis_overlay_cache
-	var/list/unique_vis_overlays
 	var/list/currentrun
-	var/datum/callback/rotate_cb
 
 /datum/controller/subsystem/vis_overlays/Initialize()
 	vis_overlay_cache = list()
-	unique_vis_overlays = list()
-	rotate_cb = CALLBACK(src, .proc/rotate_vis_overlay)
 	return ..()
 
 /datum/controller/subsystem/vis_overlays/fire(resumed = FALSE)
@@ -32,7 +28,7 @@ SUBSYSTEM_DEF(vis_overlays)
 		if(MC_TICK_CHECK)
 			return
 
-//the "thing" var can be anything with vis_contents which includes images
+//the "thing" var can be anything with vis_contents which includes images - in the future someone should totally allow vis overlays to be passed in as an arg instead of all this bullshit
 /datum/controller/subsystem/vis_overlays/proc/add_vis_overlay(atom/movable/thing, icon, iconstate, layer, plane, dir, alpha = 255, add_appearance_flags = NONE, unique = FALSE)
 	var/obj/effect/overlay/vis/overlay
 	if(!unique)
@@ -47,7 +43,6 @@ SUBSYSTEM_DEF(vis_overlays)
 		overlay = _create_new_vis_overlay(icon, iconstate, layer, plane, dir, alpha, add_appearance_flags)
 		overlay.cache_expiration = -1
 		var/cache_id = "\ref[overlay]@{[world.time]}"
-		unique_vis_overlays += overlay
 		vis_overlay_cache[cache_id] = overlay
 		. = overlay
 	thing.vis_contents += overlay
@@ -57,7 +52,6 @@ SUBSYSTEM_DEF(vis_overlays)
 
 	if(!thing.managed_vis_overlays)
 		thing.managed_vis_overlays = list(overlay)
-		RegisterSignal(thing, COMSIG_ATOM_DIR_CHANGE, rotate_cb)
 	else
 		thing.managed_vis_overlays += overlay
 	return overlay
@@ -80,19 +74,4 @@ SUBSYSTEM_DEF(vis_overlays)
 		return
 	thing.managed_vis_overlays -= overlays
 	if(!length(thing.managed_vis_overlays))
-		thing.managed_vis_overlays = null
-		UnregisterSignal(thing, COMSIG_ATOM_DIR_CHANGE)
-
-/datum/controller/subsystem/vis_overlays/proc/rotate_vis_overlay(atom/thing, old_dir, new_dir)
-	if(old_dir == new_dir)
-		return
-	var/rotation = dir2angle(old_dir) - dir2angle(new_dir)
-	var/list/overlays_to_remove = list()
-	for(var/i in thing.managed_vis_overlays - unique_vis_overlays)
-		var/obj/effect/overlay/vis/overlay = i
-		add_vis_overlay(thing, overlay.icon, overlay.icon_state, overlay.layer, overlay.plane, turn(overlay.dir, rotation), overlay.alpha, overlay.appearance_flags)
-		overlays_to_remove += overlay
-	for(var/i in thing.managed_vis_overlays & unique_vis_overlays)
-		var/obj/effect/overlay/vis/overlay = i
-		overlay.dir = turn(overlay.dir, rotation)
-	remove_vis_overlay(thing, overlays_to_remove)
+		thing.managed_vis_overlays = null
\ No newline at end of file