diff --git a/code/modules/mob/living/carbon/brain/life.dm b/code/modules/mob/living/carbon/brain/life.dm
index 99639b8777b..63eb38e607f 100644
--- a/code/modules/mob/living/carbon/brain/life.dm
+++ b/code/modules/mob/living/carbon/brain/life.dm
@@ -78,3 +78,6 @@
 		see_in_dark = 2
 		see_invisible = SEE_INVISIBLE_LIVING
 	handle_hud_icons_health()
+
+/mob/living/carbon/brain/breathe()
+	return
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index 558780a4453..c26508b1374 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -41,8 +41,6 @@
 		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)