diff --git a/code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm b/code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm
index 73fb9d4e48..2a9a807a6b 100644
--- a/code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm
+++ b/code/modules/mob/living/simple_animal/hostile/megafauna/colossus.dm
@@ -210,7 +210,7 @@ Difficulty: Very Hard
 	icon_state= "chronobolt"
 	damage = 25
 	armour_penetration = 100
-	speed = 2
+	pixels_per_second = TILES_TO_PIXELS(5)
 	eyeblur = 0
 	damage_type = BRUTE
 	pass_flags = PASSTABLE
diff --git a/code/modules/mob/living/simple_animal/hostile/mining_mobs/elites/herald.dm b/code/modules/mob/living/simple_animal/hostile/mining_mobs/elites/herald.dm
index 884e3bb989..c2d9eb4205 100644
--- a/code/modules/mob/living/simple_animal/hostile/mining_mobs/elites/herald.dm
+++ b/code/modules/mob/living/simple_animal/hostile/mining_mobs/elites/herald.dm
@@ -218,7 +218,7 @@
 	icon_state= "chronobolt"
 	damage = 15
 	armour_penetration = 60
-	speed = 2
+	pixels_per_second = TILES_TO_PIXELS(5)
 	eyeblur = 0
 	damage_type = BRUTE
 	pass_flags = PASSTABLE
diff --git a/code/modules/projectiles/projectile/bullets/ferromagnetic.dm b/code/modules/projectiles/projectile/bullets/ferromagnetic.dm
index 4f506a4de3..78deff601f 100644
--- a/code/modules/projectiles/projectile/bullets/ferromagnetic.dm
+++ b/code/modules/projectiles/projectile/bullets/ferromagnetic.dm
@@ -4,7 +4,6 @@
 	armour_penetration = 20
 	light_range = 3
 	pixels_per_second = TILES_TO_PIXELS(16.667)
-	speed = 0.6
 	range = 35
 	light_color = LIGHT_COLOR_RED
 
diff --git a/code/modules/projectiles/projectile/magic.dm b/code/modules/projectiles/projectile/magic.dm
index 1694afdaa2..982fe8b222 100644
--- a/code/modules/projectiles/projectile/magic.dm
+++ b/code/modules/projectiles/projectile/magic.dm
@@ -435,7 +435,7 @@
 	damage = 15
 	damage_type = BURN
 	nodamage = 0
-	pixels_per_Second = TILES_TO_PIXELS(33.33)
+	pixels_per_second = TILES_TO_PIXELS(33.33)
 	flag = "magic"
 
 	var/tesla_power = 20000
diff --git a/modular_citadel/code/modules/projectiles/guns/pumpenergy.dm b/modular_citadel/code/modules/projectiles/guns/pumpenergy.dm
index bcc156a22e..03a124e306 100644
--- a/modular_citadel/code/modules/projectiles/guns/pumpenergy.dm
+++ b/modular_citadel/code/modules/projectiles/guns/pumpenergy.dm
@@ -178,7 +178,7 @@
 	name = "positron blast"
 	damage = 80
 	range = 14
-	speed = 0.6
+	pixels_per_second = TILES_TO_PIXELS(16.667)
 	icon_state = "disablerslug"
 
 /obj/item/projectile/beam/pump