diff --git a/code/modules/mob/living/carbon/brain/life.dm b/code/modules/mob/living/carbon/brain/life.dm
index 78eed1d4228..99639b8777b 100644
--- a/code/modules/mob/living/carbon/brain/life.dm
+++ b/code/modules/mob/living/carbon/brain/life.dm
@@ -32,23 +32,6 @@
 				adjustToxLoss(3)
 				updatehealth()
 
-/mob/living/carbon/brain/handle_environment(datum/gas_mixture/environment)
-	if(!istype(src, /obj/item/device/mmi/posibrain)) //we don't want posibrains suffocating, now do we?
-		if(!environment)
-			return
-		var/environment_heat_capacity = environment.heat_capacity()
-		if(istype(get_turf(src), /turf/space))
-			var/turf/heat_turf = get_turf(src)
-			environment_heat_capacity = heat_turf.heat_capacity
-
-		if((environment.temperature > (T0C + 50)) || (environment.temperature < (T0C + 10)))
-			var/transfer_coefficient = 1
-
-			handle_temperature_damage(HEAD, environment.temperature, environment_heat_capacity*transfer_coefficient)
-
-		if(stat == DEAD)
-			bodytemperature += 0.1*(environment.temperature - bodytemperature)*environment_heat_capacity/(environment_heat_capacity + 270000)
-
 /mob/living/carbon/brain/proc/handle_temperature_damage(body_part, exposed_temperature, exposed_intensity)
 	if(status_flags & GODMODE)
 		return
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index 7b3f74ef65f..558780a4453 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -41,6 +41,8 @@
 		return
 	if(NO_BREATH in mutations)
 		return // No breath mutation means no breathing.
+	if(istype(src, /mob/living/carbon/brain))
+		return
 
 	var/datum/gas_mixture/environment
 	if(loc)
@@ -465,4 +467,4 @@
 				else
 					healths.icon_state = "health6"
 		else
-			healths.icon_state = "health7"
\ No newline at end of file
+			healths.icon_state = "health7"