diff --git a/code/_helpers/datum_pool.dm b/code/_helpers/datum_pool.dm
index b5bcea123fe..007a9976104 100644
--- a/code/_helpers/datum_pool.dm
+++ b/code/_helpers/datum_pool.dm
@@ -94,8 +94,8 @@ var/global/list/GlobalPool = list()
 		loc = args
 	..()
 
-/datum/proc/ResetVars(var/list/exlude = list())
-	var/list/excluded = list("animate_movement", "loc", "locs", "parent_type", "vars", "verbs", "type") + exlude
+/datum/proc/ResetVars(var/list/exclude = list())
+	var/list/excluded = list("animate_movement", "loc", "locs", "parent_type", "vars", "verbs", "type") + exclude
 
 	for(var/V in vars)
 		if(V in excluded)
diff --git a/code/_onclick/hud/spell_screen_objects.dm b/code/_onclick/hud/spell_screen_objects.dm
index a59474749a1..213a4ed16aa 100644
--- a/code/_onclick/hud/spell_screen_objects.dm
+++ b/code/_onclick/hud/spell_screen_objects.dm
@@ -23,9 +23,9 @@
 			spell_holder.client.screen -= src
 		spell_holder = null
 
-/obj/screen/movable/spell_master/ResetVars()
-	..("spell_objects", args)
-	spell_objects = list()
+/obj/screen/movable/spell_master/ResetVars(var/list/exclude = list())
+	exclude += "spell_objects"
+	..(exclude)
 
 /obj/screen/movable/spell_master/MouseDrop()
 	if(showing)
diff --git a/code/datums/expansions/expansion.dm b/code/datums/expansions/expansion.dm
index 7eee07e0d9c..96227aa98e0 100644
--- a/code/datums/expansions/expansion.dm
+++ b/code/datums/expansions/expansion.dm
@@ -25,12 +25,16 @@
 	var/list/datum/expansion/expansions = list()
 
 /obj/Destroy()
-	if(istype(expansions))
-		for(var/expansion in expansions)
-			qdel(expansions[expansion])
-		expansions.Cut()
+	for(var/expansion in expansions)
+		qdel(expansions[expansion])
+	expansions.Cut()
 	return ..()
 
+/obj/ResetVars(var/list/exclude = list())
+	exclude += "expansions"
+	..(exclude)
+	//expansions = list()
+
 /obj/proc/set_expansion(var/type, var/instance)
 	if(expansions[type])
 		qdel(expansions[type])