diff --git a/code/game/objects/items/melee/energy.dm b/code/game/objects/items/melee/energy.dm
index 3d62a06cb0..5b090836a8 100644
--- a/code/game/objects/items/melee/energy.dm
+++ b/code/game/objects/items/melee/energy.dm
@@ -147,9 +147,9 @@
 		return NONE
 	return ..()
 
-/obj/item/melee/transforming/energy/sword/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, final_block_chance, list/block_return, parry_efficiency, parry_time)
+/obj/item/melee/transforming/energy/sword/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, list/block_return, parry_efficiency, parry_time)
 	. = ..()
-	if(parry_efficiency >= 90)		// (near) perfect parry
+	if(parry_efficiency >= 90)		// perfect parry
 		block_return[BLOCK_RETURN_REDIRECT_METHOD] = REDIRECT_METHOD_RETURN_TO_SENDER
 		. |= BLOCK_SHOULD_REDIRECT
 
diff --git a/code/modules/mob/living/carbon/human/human_defines.dm b/code/modules/mob/living/carbon/human/human_defines.dm
index aea4ee2ead..54100c4bac 100644
--- a/code/modules/mob/living/carbon/human/human_defines.dm
+++ b/code/modules/mob/living/carbon/human/human_defines.dm
@@ -102,7 +102,7 @@
 		"HUMAN_PARRY_MININUM_EFFICIENCY" = 0.9
 	)
 
-/mob/living/carbon/human/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, final_block_chance, list/block_return, parry_efficiency, parry_time)
+/mob/living/carbon/human/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, list/block_return, parry_efficiency, parry_time)
 	var/datum/block_parry_data/D = return_block_parry_datum(block_parry_data)
 	if(!owner.Adjacent(attacker))
 		return ..()
diff --git a/code/modules/mob/living/living_active_parry.dm b/code/modules/mob/living/living_active_parry.dm
index 4fd2459e70..07102d3ee8 100644
--- a/code/modules/mob/living/living_active_parry.dm
+++ b/code/modules/mob/living/living_active_parry.dm
@@ -160,17 +160,17 @@
 /**
   * Called when an attack is parried using this, whether or not the parry was successful.
   */
-/obj/item/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, final_block_chance, list/block_return, parry_efficiency, parry_time)
+/obj/item/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, list/block_return, parry_efficiency, parry_time)
 
 /**
   * Called when an attack is parried innately, whether or not the parry was successful.
   */
-/mob/living/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, final_block_chance, list/block_return, parry_efficiency, parry_time)
+/mob/living/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, list/block_return, parry_efficiency, parry_time)
 
 /**
   * Called when an attack is parried using this, whether or not the parry was successful.
   */
-/datum/martial_art/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, final_block_chance, list/block_return, parry_efficiency, parry_time)
+/datum/martial_art/proc/on_active_parry(mob/living/owner, atom/object, damage, attack_text, attack_type, armour_penetration, mob/attacker, def_zone, list/block_return, parry_efficiency, parry_time)
 
 /**
   * Called when an attack is parried and block_parra_data indicates to use a proc to handle counterattack.