diff --git a/code/__DEFINES/DNA.dm b/code/__DEFINES/DNA.dm
index 36fc398d942c..204e24daeab6 100644
--- a/code/__DEFINES/DNA.dm
+++ b/code/__DEFINES/DNA.dm
@@ -5,7 +5,6 @@
 //Defines copying names of mutations in all cases, make sure to change this if you change mutation's type
 #define HULK /datum/mutation/human/hulk
 #define XRAY /datum/mutation/human/thermal/x_ray
-#define SPACEMUT /datum/mutation/human/space_adaptation
 #define TK /datum/mutation/human/telekinesis
 #define NERVOUS /datum/mutation/human/nervousness
 #define EPILEPSY /datum/mutation/human/epilepsy
diff --git a/code/datums/mutations/space_adaptation.dm b/code/datums/mutations/space_adaptation.dm
deleted file mode 100644
index a77694c6f797..000000000000
--- a/code/datums/mutations/space_adaptation.dm
+++ /dev/null
@@ -1,30 +0,0 @@
-//Cold Resistance gives your entire body an orange halo, and makes you immune to the effects of vacuum and cold.
-/datum/mutation/human/space_adaptation
-	name = "Space Adaptation"
-	desc = "A strange mutation that renders the host immune to the vacuum of space. Will still need an oxygen supply."
-	quality = POSITIVE
-	difficulty = 16
-	text_gain_indication = "<span class='notice'>Your body feels warm!</span>"
-	time_coeff = 5
-	instability = 30
-
-/datum/mutation/human/space_adaptation/New(class_ = MUT_OTHER, timer, datum/mutation/human/copymut)
-	..()
-	if(!(type in visual_indicators))
-		visual_indicators[type] = list(mutable_appearance('icons/effects/genetics.dmi', "fire", -MUTATIONS_LAYER))
-
-/datum/mutation/human/space_adaptation/get_visual_indicator()
-	return visual_indicators[type][1]
-
-/datum/mutation/human/space_adaptation/on_acquiring(mob/living/carbon/human/owner)
-	if(..())
-		return
-	ADD_TRAIT(owner, TRAIT_RESISTCOLD, "space_adaptation")
-	ADD_TRAIT(owner, TRAIT_RESISTLOWPRESSURE, "space_adaptation")
-
-/datum/mutation/human/space_adaptation/on_losing(mob/living/carbon/human/owner)
-	if(..())
-		return
-	REMOVE_TRAIT(owner, TRAIT_RESISTCOLD, "space_adaptation")
-	REMOVE_TRAIT(owner, TRAIT_RESISTLOWPRESSURE, "space_adaptation")
-
diff --git a/code/game/objects/items/dna_injector.dm b/code/game/objects/items/dna_injector.dm
index b63285b24f0e..34563d5e649c 100644
--- a/code/game/objects/items/dna_injector.dm
+++ b/code/game/objects/items/dna_injector.dm
@@ -176,16 +176,6 @@
 	desc = "Fixes that speaking impairment."
 	remove_mutations = list(NERVOUS)
 
-/obj/item/dnainjector/antifire
-	name = "\improper DNA injector (Anti-Fire)"
-	desc = "Cures fire."
-	remove_mutations = list(SPACEMUT)
-
-/obj/item/dnainjector/firemut
-	name = "\improper DNA injector (Fire)"
-	desc = "Gives you fire."
-	add_mutations = list(SPACEMUT)
-
 /obj/item/dnainjector/blindmut
 	name = "\improper DNA injector (Blind)"
 	desc = "Makes you not see anything."
diff --git a/code/game/objects/structures/icemoon/cave_entrance.dm b/code/game/objects/structures/icemoon/cave_entrance.dm
index 5cbc09727246..9fc83f9ddc88 100644
--- a/code/game/objects/structures/icemoon/cave_entrance.dm
+++ b/code/game/objects/structures/icemoon/cave_entrance.dm
@@ -1043,7 +1043,6 @@ GLOBAL_LIST_INIT(ore_probability, list(
 				new /obj/item/dnainjector/hulkmut(loc)
 				new /mob/living/simple_animal/hostile/gorilla(loc)
 			if(prob(35))
-				new /obj/item/dnainjector/firemut(loc)
 				new /mob/living/simple_animal/hostile/gorilla(loc)
 			if(prob(35))
 				new /obj/item/dnainjector/gigantism(loc)
diff --git a/icons/effects/genetics.dmi b/icons/effects/genetics.dmi
index 373a9de623b7..fff43639c43d 100644
Binary files a/icons/effects/genetics.dmi and b/icons/effects/genetics.dmi differ
diff --git a/shiptest.dme b/shiptest.dme
index 5f5d321ead40..c5c292a008da 100644
--- a/shiptest.dme
+++ b/shiptest.dme
@@ -712,7 +712,6 @@
 #include "code\datums\mutations\hulk.dm"
 #include "code\datums\mutations\radioactive.dm"
 #include "code\datums\mutations\sight.dm"
-#include "code\datums\mutations\space_adaptation.dm"
 #include "code\datums\mutations\speech.dm"
 #include "code\datums\mutations\telekinesis.dm"
 #include "code\datums\mutations\touch.dm"