diff --git a/code/modules/mob/living/simple_animal/hostile/hostile.dm b/code/modules/mob/living/simple_animal/hostile/hostile.dm
index 526763e875b7..70ce3f665bab 100644
--- a/code/modules/mob/living/simple_animal/hostile/hostile.dm
+++ b/code/modules/mob/living/simple_animal/hostile/hostile.dm
@@ -30,7 +30,7 @@
 	var/ranged_cooldown = 0 //What the current cooldown on ranged attacks is, generally world.time + ranged_cooldown_time
 	var/ranged_cooldown_time = 30 //How long, in deciseconds, the cooldown of ranged attacks is
 	var/ranged_ignores_vision = FALSE //if it'll fire ranged attacks even if it lacks vision on its target, only works with environment smash
-	var/check_friendly_fire = 0 // Should the ranged mob check for friendlies when shooting
+	var/check_friendly_fire = FALSE // Should the ranged mob check for friendlies when shooting
 	var/retreat_distance = null //If our mob runs from players when they're too close, set in tile distance. By default, mobs do not retreat.
 	var/minimum_distance = 1 //Minimum approach distance, so ranged mobs chase targets down, but still keep their distance set in tiles to the target, set higher to make mobs keep distance
 
diff --git a/code/modules/mob/living/simple_animal/hostile/human/cat_butcher.dm b/code/modules/mob/living/simple_animal/hostile/human/cat_butcher.dm
index 80c2ee22f3ef..0e265fc3b531 100644
--- a/code/modules/mob/living/simple_animal/hostile/human/cat_butcher.dm
+++ b/code/modules/mob/living/simple_animal/hostile/human/cat_butcher.dm
@@ -5,7 +5,7 @@
 	icon_living = "cat_butcher"
 	projectiletype = /obj/projectile/bullet/dart/tranq
 	projectilesound = 'sound/items/syringeproj.ogg'
-	ranged = 1
+	ranged = TRUE
 	ranged_message = "fires the syringe gun at"
 	ranged_cooldown_time = 30
 	speak_chance = 0
@@ -18,7 +18,7 @@
 	loot = list(/obj/effect/mob_spawn/human/corpse/cat_butcher, /obj/item/circular_saw, /obj/item/gun/syringe)
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 1, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
 	faction = list("hostile")
-	check_friendly_fire = 1
+	check_friendly_fire = TRUE
 	var/impatience = 0
 
 /mob/living/simple_animal/hostile/human/cat_butcherer/CanAttack(atom/the_target)
diff --git a/code/modules/mob/living/simple_animal/hostile/human/frontiersman.dm b/code/modules/mob/living/simple_animal/hostile/human/frontiersman.dm
index 2404a763363c..040b6b26ae2a 100644
--- a/code/modules/mob/living/simple_animal/hostile/human/frontiersman.dm
+++ b/code/modules/mob/living/simple_animal/hostile/human/frontiersman.dm
@@ -5,10 +5,8 @@
 	icon_living = "frontiersmanmelee"
 	icon_dead = "frontiersmanmelee_dead"
 	speak_chance = 0
-	harm_intent_damage = 5
 	melee_damage_lower = 15
 	melee_damage_upper = 15
-	a_intent = INTENT_HARM
 	loot = list(/obj/effect/mob_spawn/human/corpse/frontier,
 				/obj/item/kitchen/knife)
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 1, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
diff --git a/code/modules/mob/living/simple_animal/hostile/human/nanotrasen.dm b/code/modules/mob/living/simple_animal/hostile/human/nanotrasen.dm
index 224890874d37..6c1676d202ab 100644
--- a/code/modules/mob/living/simple_animal/hostile/human/nanotrasen.dm
+++ b/code/modules/mob/living/simple_animal/hostile/human/nanotrasen.dm
@@ -5,11 +5,9 @@
 	icon_living = "nanotrasen"
 	speak_chance = 0
 	stat_attack = HARD_CRIT
-	melee_damage_lower = 10
 	melee_damage_upper = 15
 	loot = list(/obj/effect/mob_spawn/human/corpse/nanotrasensoldier)
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 1, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
-	unsuitable_atmos_damage = 15
 	faction = list(ROLE_DEATHSQUAD)
 	check_friendly_fire = TRUE
 	dodging = TRUE
diff --git a/code/modules/mob/living/simple_animal/hostile/human/pirate.dm b/code/modules/mob/living/simple_animal/hostile/human/pirate.dm
index 082184b1eb26..df10cfa6a2b4 100644
--- a/code/modules/mob/living/simple_animal/hostile/human/pirate.dm
+++ b/code/modules/mob/living/simple_animal/hostile/human/pirate.dm
@@ -6,7 +6,6 @@
 	icon_dead = "pirate_dead"
 	speak_chance = 0
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 1, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
-	unsuitable_atmos_damage = 15
 	speak_emote = list("yarrs")
 	loot = list(/obj/effect/mob_spawn/human/corpse/pirate,
 			/obj/item/melee/transforming/energy/sword/saber/pirate)
diff --git a/code/modules/mob/living/simple_animal/hostile/human/syndicate.dm b/code/modules/mob/living/simple_animal/hostile/human/syndicate.dm
index 46ec15db982a..35f2f448e89c 100644
--- a/code/modules/mob/living/simple_animal/hostile/human/syndicate.dm
+++ b/code/modules/mob/living/simple_animal/hostile/human/syndicate.dm
@@ -24,8 +24,7 @@
 	loot = list(/obj/effect/mob_spawn/human/corpse/syndicatesoldier)
 	atmos_requirements = list("min_oxy" = 5, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 1, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
 	faction = list(FACTION_ANTAG_SYNDICATE)
-	check_friendly_fire = 1
-	status_flags = CANPUSH
+	check_friendly_fire = TRUE
 	dodging = TRUE
 	rapid_melee = 2