diff --git a/code/datums/armor.dm b/code/datums/armor.dm
index 2bfec974941..f555b0dc4b5 100644
--- a/code/datums/armor.dm
+++ b/code/datums/armor.dm
@@ -16,7 +16,7 @@
 	var/acid
 	var/magic
 
-/datum/armor/New(melee_value = 0, bullet_value = 0, laser_value = 0, energy_value = 0, bomb_value = 0, bio_value = 0, rad_value = 0, fire_value = 0, acid_value = 0, magic_value = 0)
+/datum/armor/New(melee_value = 0, bullet_value = 0, laser_value = 0, energy_value = 0, bomb_value = 0, rad_value = 0, fire_value = 0, acid_value = 0, magic_value = 0)
 	melee = melee_value
 	bullet = bullet_value
 	laser = laser_value
@@ -34,7 +34,7 @@
 /datum/armor/proc/modifyAllRatings(modifier = 0)
 	return getArmor(melee + modifier, bullet + modifier, laser + modifier, energy + modifier, bomb + modifier, rad + modifier, fire + modifier, acid + modifier, magic + modifier)
 
-/datum/armor/proc/setRating(melee_value, bullet_value, laser_value, energy_value, bomb_value, bio_value, rad_value, fire_value, acid_value, magic_value)
+/datum/armor/proc/setRating(melee_value, bullet_value, laser_value, energy_value, bomb_value, rad_value, fire_value, acid_value, magic_value)
 	return getArmor((isnull(melee_value) ? melee : melee_value),\
 					(isnull(bullet_value) ? bullet : bullet_value),\
 					(isnull(laser_value) ? laser : laser_value),\