Finished code

code/modules/clothing/shoes/_shoes.dm

@@ -16,8 +16,8 @@
 	var/equipped_before_drop = FALSE
 
 	//CITADEL EDIT Enables digitigrade shoe styles
-	adjusted = NORMAL_STYLE
-	alternate_worn_icon = 'modular_citadel/icons/mob/digishoes.dmi'
+	var/adjusted = NORMAL_STYLE
+	var/mutantrace_variation = MUTANTRACE_VARIATION
 
 /obj/item/clothing/shoes/ComponentInitialize()
 	. = ..()
@@ -63,11 +63,13 @@
 		worn_y_dimension -= (offset * 2)
 		user.update_inv_shoes()
 		equipped_before_drop = TRUE
+
 	if(mutantrace_variation && ishuman(user))
 		var/mob/living/carbon/human/H = user
 		if(DIGITIGRADE in H.dna.species.species_traits)
 			adjusted = DIGITIGRADE_STYLE
-		H.update_inv_shoes()
+		else if(adjusted == DIGITIGRADE_STYLE)
+			adjusted = NORMAL_STYLE
 
 /obj/item/clothing/shoes/proc/restore_offsets(mob/user)
 	equipped_before_drop = FALSE

code/modules/mob/living/carbon/human/species.dm

@@ -917,10 +917,6 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 				return FALSE
 			if(num_legs < 2)
 				return FALSE
-			if(DIGITIGRADE in species_traits)
-				if(!disable_warning)
-					to_chat(H, "<span class='warning'>The footwear around here isn't compatible with your feet!</span>")
-				return FALSE
 			return equip_delay_self_check(I, H, bypass_equip_delay_self)
 		if(SLOT_BELT)
 			if(H.belt)

code/modules/mob/living/carbon/human/update_icons.dm

@@ -274,6 +274,11 @@ There are several things that need to be remembered:
 			if(hud_used.inventory_shown)			//if the inventory is open
 				client.screen += shoes					//add it to client's screen
 		update_observer_view(shoes,1)
+		if(S.adjusted == DIGITIGRADE_STYLE)
+			S.icon_override = 'modular_citadel/icons/mob/digishoes.dmi'
+		else if(S.adjusted == NORMAL_STYLE)
+			S.icon_override = null
+
 		overlays_standing[SHOES_LAYER] = shoes.build_worn_icon(state = shoes.icon_state, default_layer = SHOES_LAYER, default_icon_file = ((shoes.icon_override) ? shoes.icon_override : 'icons/mob/feet.dmi'))
 		var/mutable_appearance/shoes_overlay = overlays_standing[SHOES_LAYER]
 		if(OFFSET_SHOES in dna.species.offset_features)
@@ -282,13 +287,6 @@ There are several things that need to be remembered:
 		overlays_standing[SHOES_LAYER] = shoes_overlay
 	apply_overlay(SHOES_LAYER)
 
-var/obj/item/clothing/shoes/S = H.shoes
-			if(swap_back)
-					S.adjusted = NORMAL_STYLE
-				else
-					S.adjusted = DIGITIGRADE_STYLE
-				H.update_inv_w_uniform()
-
 /mob/living/carbon/human/update_inv_s_store()
 	remove_overlay(SUIT_STORE_LAYER)
 

code/modules/surgery/bodyparts/helpers.dm

@@ -301,7 +301,7 @@
 		if(H.shoes)
 			var/obj/item/clothing/shoes/S = H.shoes
 			if(swap_back)
-					S.adjusted = NORMAL_STYLE
-				else
-					S.adjusted = DIGITIGRADE_STYLE
-				H.update_inv_w_uniform()
+				S.adjusted = NORMAL_STYLE
+			else
+				S.adjusted = DIGITIGRADE_STYLE
+			H.update_inv_shoes()