diff --git a/code/__DEFINES/genetics.dm b/code/__DEFINES/genetics.dm
index f64022136ef..55701ed9166 100644
--- a/code/__DEFINES/genetics.dm
+++ b/code/__DEFINES/genetics.dm
@@ -74,7 +74,6 @@
 
 //Species traits.
 #define NO_BLOOD		"no_blood"
-#define NOTRANSSTING	"no_trans_sting"
 #define IS_WHITELISTED 	"whitelisted"
 #define LIPS			"lips"
 #define EXOTIC_COLOR	"exotic_blood_color"
diff --git a/code/game/gamemodes/changeling/powers/tiny_prick.dm b/code/game/gamemodes/changeling/powers/tiny_prick.dm
index 14d93439510..09702c97d3c 100644
--- a/code/game/gamemodes/changeling/powers/tiny_prick.dm
+++ b/code/game/gamemodes/changeling/powers/tiny_prick.dm
@@ -66,60 +66,6 @@
 		add_attack_logs(user, target, "Unsuccessful sting (changeling)")
 	return 1
 
-/datum/action/changeling/sting/transformation
-	name = "Transformation Sting"
-	desc = "We silently sting a human, injecting a retrovirus that forces them to transform. Costs 50 chemicals."
-	helptext = "The victim will transform much like a changeling would. The effects will be obvious to the victim, and the process will damage our genomes."
-	button_icon_state = "sting_transform"
-	sting_icon = "sting_transform"
-	chemical_cost = 50
-	dna_cost = 3
-	genetic_damage = 100
-	var/datum/dna/selected_dna = null
-
-/datum/action/changeling/sting/transformation/Trigger()
-	var/mob/user = usr
-	var/datum/changeling/changeling = user.mind.changeling
-	if(changeling.chosen_sting)
-		unset_sting(user)
-		return
-	selected_dna = changeling.select_dna("Select the target DNA: ", "Target DNA")
-	if(!selected_dna)
-		return
-	if((NOTRANSSTING in selected_dna.species.species_traits) || selected_dna.species.is_small)
-		to_chat(user, "<span class='warning'>The selected DNA is incompatible with our sting.</span>")
-		return
-	..()
-
-/datum/action/changeling/sting/transformation/can_sting(mob/user, mob/target)
-	if(!..())
-		return
-	if(HAS_TRAIT(target, TRAIT_HUSK) || !ishuman(target) || (NOTRANSSTING in target.dna.species.species_traits))
-		to_chat(user, "<span class='warning'>Our sting appears ineffective against its DNA.</span>")
-		return FALSE
-	if(ishuman(target))
-		var/mob/living/carbon/human/H = target
-		if(HAS_TRAIT(H, TRAIT_GENELESS))
-			to_chat(user, "<span class='warning'>This won't work on a creature without DNA.</span>")
-			return FALSE
-	return TRUE
-
-/datum/action/changeling/sting/transformation/sting_action(mob/user, mob/target)
-	add_attack_logs(user, target, "Transformation sting (changeling) (new identity is [selected_dna.real_name])")
-	if(issmall(target))
-		to_chat(user, "<span class='notice'>Our genes cry out as we sting [target.name]!</span>")
-
-	if(iscarbon(target) && (target.status_flags & CANWEAKEN))
-		var/mob/living/carbon/C = target
-		C.do_jitter_animation(500)
-
-	target.visible_message("<span class='danger'>[target] begins to violenty convulse!</span>","<span class='userdanger'>You feel a tiny prick and a begin to uncontrollably convulse!</span>")
-
-	spawn(10)
-		transform_dna(target,selected_dna)//target is always human so no problem here
-	SSblackbox.record_feedback("nested tally", "changeling_powers", 1, list("[name]"))
-	return TRUE
-
 /datum/action/changeling/sting/extract_dna
 	name = "Extract DNA Sting"
 	desc = "We stealthily sting a target and extract their DNA. Costs 25 chemicals."
diff --git a/code/modules/mob/living/carbon/human/species/machine.dm b/code/modules/mob/living/carbon/human/species/machine.dm
index 963b878a758..43c0931f96b 100644
--- a/code/modules/mob/living/carbon/human/species/machine.dm
+++ b/code/modules/mob/living/carbon/human/species/machine.dm
@@ -21,7 +21,7 @@
 	death_message = "gives a short series of shrill beeps, their chassis shuddering before falling limp, nonfunctional."
 	death_sounds = list('sound/voice/borg_deathsound.ogg') //I've made this a list in the event we add more sounds for dead robots.
 
-	species_traits = list(IS_WHITELISTED, NO_BLOOD, NO_CLONESCAN, NO_INTORGANS, NOTRANSSTING)
+	species_traits = list(IS_WHITELISTED, NO_BLOOD, NO_CLONESCAN, NO_INTORGANS)
 	inherent_traits = list(TRAIT_VIRUSIMMUNE, TRAIT_NOBREATH, TRAIT_RADIMMUNE, TRAIT_NOGERMS, TRAIT_NODECAY, TRAIT_NOPAIN, TRAIT_GENELESS) //Computers that don't decay? What a lie!
 	inherent_biotypes = MOB_ROBOTIC | MOB_HUMANOID
 	clothing_flags = HAS_UNDERWEAR | HAS_UNDERSHIRT | HAS_SOCKS
diff --git a/code/modules/mob/living/carbon/human/species/plasmaman.dm b/code/modules/mob/living/carbon/human/species/plasmaman.dm
index 926ed17348e..4a49b965fb8 100644
--- a/code/modules/mob/living/carbon/human/species/plasmaman.dm
+++ b/code/modules/mob/living/carbon/human/species/plasmaman.dm
@@ -5,7 +5,7 @@
 	dangerous_existence = TRUE //So so much
 	//language = "Clatter"
 
-	species_traits = list(IS_WHITELISTED, NO_BLOOD, NOTRANSSTING, NO_HAIR)
+	species_traits = list(IS_WHITELISTED, NO_BLOOD, NO_HAIR)
 	inherent_traits = list(TRAIT_RADIMMUNE, TRAIT_NOHUNGER)
 	inherent_biotypes = MOB_HUMANOID | MOB_MINERAL
 	forced_heartattack = TRUE // Plasmamen have no blood, but they should still get heart-attacks
diff --git a/code/modules/mob/living/carbon/human/species/vox.dm b/code/modules/mob/living/carbon/human/species/vox.dm
index e7736da2291..377da561e5a 100644
--- a/code/modules/mob/living/carbon/human/species/vox.dm
+++ b/code/modules/mob/living/carbon/human/species/vox.dm
@@ -22,7 +22,7 @@
 
 	eyes = "vox_eyes_s"
 
-	species_traits = list(NO_CLONESCAN, IS_WHITELISTED, NOTRANSSTING)
+	species_traits = list(NO_CLONESCAN, IS_WHITELISTED)
 	inherent_traits = list(TRAIT_NOGERMS, TRAIT_NODECAY)
 	clothing_flags = HAS_UNDERWEAR | HAS_UNDERSHIRT | HAS_SOCKS //Species-fitted 'em all.
 	dietflags = DIET_OMNI