Double checking my work

modular_citadel/code/modules/mob/living/carbon/human/species_types/furrypeople.dm

@@ -42,19 +42,6 @@
 		mutant_bodyparts |= "mam_tail"
 	H.update_body()
 
-/datum/species/mammal/on_species_gain(mob/living/carbon/human/C, datum/species/old_species)
-	if(("legs" in C.dna.species.mutant_bodyparts) && C.dna.features["legs"] == "Digitigrade Legs")
-		species_traits += DIGITIGRADE
-	if(DIGITIGRADE in species_traits)
-		C.Digitigrade_Leg_Swap(FALSE)
-	return ..()
-
-/datum/species/mammal/on_species_loss(mob/living/carbon/human/C, datum/species/new_species)
-	if(("legs" in C.dna.species.mutant_bodyparts) && C.dna.features["legs"] == "Normal Legs")
-		species_traits -= DIGITIGRADE
-	if(DIGITIGRADE in species_traits)
-		C.Digitigrade_Leg_Swap(TRUE)
-
 /datum/species/mammal/qualifies_for_rank(rank, list/features)
 	return TRUE
 

modular_citadel/code/modules/reagents/reagents/cit_reagents.dm

@@ -235,11 +235,3 @@
 	required_reagents = list("anaphro" = 5, "acetone" = 1)
 	required_temp = 300
 	mix_message = "The mixture thickens and heats up slighty..."
-
-//Mutation toxin stuff
-/datum/reagent/mutationtoxin/mammal
-	name = "Mammilan Mutation Toxin"
-	id = "mammalmutationtoxin"
-	color = "#5EFF3B" //RGB: 94, 255, 59
-	race = /datum/species/mammal
-	mutationtext = "<span class='danger'>The pain subsides. You feel... like a single furry.</span>"