diff --git a/GainStation13/code/modules/resize/height_limits.dm b/GainStation13/code/modules/resize/height_limits.dm
index 1f3670e4d3..b8fc50e8ac 100644
--- a/GainStation13/code/modules/resize/height_limits.dm
+++ b/GainStation13/code/modules/resize/height_limits.dm
@@ -19,21 +19,50 @@ GLOBAL_LIST_EMPTY(see_toggle_smallsprite)
 	set name = "Toggle Others' Giant Sprite"
 	set category = "Preferences.GS13"
 	set desc = "Change display settings to and from displaying others' giant sprites."
+	var/list/remove_from_list = new()
+
 	mob.see_resized_others = !mob.see_resized_others
+
 	if(mob.see_resized_others)
 		GLOB.see_toggle_smallsprite += mob
-		for(var/mob/living/L in GLOB.enabled_smallsprite)
-			if(L && L != mob && L.alternate_appearances && L.alternate_appearances["gscode_smallsprite"])
-				var/datum/atom_hud/alternate_appearance/AA = L.alternate_appearances["gscode_smallsprite"]
-				AA.add_to_single_hud(mob, L)
+		for(var/mob/living/resize_mob in GLOB.enabled_smallsprite)
+			if(QDELETED(resize_mob))
+				remove_from_list += resize_mob
+				continue
+
+			if(resize_mob && resize_mob != mob && resize_mob.alternate_appearances && resize_mob.alternate_appearances["gscode_smallsprite"])
+				var/datum/atom_hud/alternate_appearance/appearance = resize_mob.alternate_appearances["gscode_smallsprite"]
+				appearance.add_to_single_hud(mob, resize_mob)
+
+		GLOB.enabled_smallsprite -= remove_from_list
 		to_chat(src, "Resize others view toggled ON.")
-	else
-		GLOB.see_toggle_smallsprite -= mob
-		for(var/mob/living/L in GLOB.enabled_smallsprite)
-			if(L && L.alternate_appearances && L.alternate_appearances["gscode_smallsprite"])
-				var/datum/atom_hud/alternate_appearance/AA = L.alternate_appearances["gscode_smallsprite"]
-				AA.remove_from_single_hud(mob, L)
-		to_chat(src, "Resize others view toggled OFF.")
+		return
+
+	GLOB.see_toggle_smallsprite -= mob
+	for(var/mob/living/resize_mob in GLOB.enabled_smallsprite)
+		if(QDELETED(resize_mob))
+			remove_from_list += resize_mob
+			continue
+
+		if(resize_mob && resize_mob.alternate_appearances && resize_mob.alternate_appearances["gscode_smallsprite"])
+			var/datum/atom_hud/alternate_appearance/appearance = resize_mob.alternate_appearances["gscode_smallsprite"]
+			appearance.remove_from_single_hud(mob, resize_mob)
+
+	GLOB.enabled_smallsprite -= remove_from_list
+	to_chat(src, "Resize others view toggled OFF.")
+
+///Generate the image based on the mob's current icon and apply matrix transformations to adjust its position and angle
+/mob/living/proc/create_smallsprite()
+	var/image/smallsprite = image(icon=icon, icon_state=icon_state, loc=src, layer=layer, pixel_x=pixel_x, pixel_y=pixel_y)
+	smallsprite.overlays += overlays
+	smallsprite.override = TRUE
+
+	var/matrix/ntransform = matrix(lying, MATRIX_ROTATE)
+	if(lying != 0)
+		ntransform.Translate(0, -get_standard_pixel_y_offset(lying))
+
+	smallsprite.transform = ntransform
+	return smallsprite
 
 /**
 * Call to regenerate the sprites and update huds.
@@ -43,37 +72,42 @@ GLOBAL_LIST_EMPTY(see_toggle_smallsprite)
 * * If the size_multiplier was not higher than one then remove the mob from the list of smallsprite mobs
 */
 /mob/living/proc/regenerate_smallsprite()
+	var/list/remove_from_list = new()
+
 	if(length(alternate_appearances) && alternate_appearances["gscode_smallsprite"])
-		for(var/mob/M in GLOB.see_toggle_smallsprite)
-			var/datum/atom_hud/alternate_appearance/AA = alternate_appearances["gscode_smallsprite"]
-			AA.remove_from_single_hud(M, src)
+		for(var/mob/viewer_mob in GLOB.see_toggle_smallsprite)
+			if(QDELETED(viewer_mob))
+				remove_from_list += viewer_mob
+				continue
+
+			var/datum/atom_hud/alternate_appearance/appearance = alternate_appearances["gscode_smallsprite"]
+			appearance.remove_from_single_hud(viewer_mob, src)
 		remove_alt_appearance("gscode_smallsprite")
+
 	if(size_multiplier > 1)
 		if(!GLOB.enabled_smallsprite[src])
 			GLOB.enabled_smallsprite += src
-		add_alt_appearance(/datum/atom_hud/alternate_appearance/basic/showSmall, "gscode_smallsprite", generate_smallsprite(), FALSE)
-		for(var/mob/M in GLOB.see_toggle_smallsprite)
-			if(M != src)
-				var/datum/atom_hud/alternate_appearance/AA = alternate_appearances["gscode_smallsprite"]
-				AA.add_to_single_hud(M, src)
+
+		add_alt_appearance(/datum/atom_hud/alternate_appearance/basic/showSmall, "gscode_smallsprite", create_smallsprite(), FALSE)
+		for(var/mob/viewer_mob in GLOB.see_toggle_smallsprite)
+			if(QDELETED(viewer_mob))
+				remove_from_list += viewer_mob
+				continue
+
+			if(viewer_mob != src)
+				var/datum/atom_hud/alternate_appearance/appearance = alternate_appearances["gscode_smallsprite"]
+				appearance.add_to_single_hud(viewer_mob, src)
 		return TRUE
+
 	else
 		if(GLOB.enabled_smallsprite[src])
 			GLOB.enabled_smallsprite -= src
-		return FALSE
 
-///Generate the image based on the mob's current icon and apply matrix transformations to adjust its position and angle
-/mob/living/proc/generate_smallsprite()
-	var/image/I = image(icon=icon, icon_state=icon_state, loc=src, layer=layer, pixel_x=pixel_x, pixel_y=pixel_y)
-	I.overlays += overlays
-	I.override = TRUE
-	var/matrix/ntransform = matrix(lying, MATRIX_ROTATE)
-	if(lying != 0)
-		ntransform.Translate(0, -get_standard_pixel_y_offset(lying))
-	I.transform = ntransform
-	return I
+	GLOB.see_toggle_smallsprite -= remove_from_list
+
+	return FALSE
 
 //Called periodically to regenerate the mob's smallsprite
-/mob/living/BiologicalLife(delta_time, times_fired)
+/mob/living/carbon/human/BiologicalLife(delta_time, times_fired)
 	. = ..()
 	regenerate_smallsprite()