diff --git a/code/modules/mob/living/simple_animal/hostile/f13/geckotribe.dm b/code/modules/mob/living/simple_animal/hostile/f13/geckotribe.dm
index 31570f11aa..983bb4ec38 100644
--- a/code/modules/mob/living/simple_animal/hostile/f13/geckotribe.dm
+++ b/code/modules/mob/living/simple_animal/hostile/f13/geckotribe.dm
@@ -100,8 +100,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(30, 35, 40, 45),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -166,8 +164,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(10, 15, 20),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -284,8 +280,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(30, 35, 40, 45),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 3, 5, 7, 9),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -401,8 +395,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(30, 35, 40, 45),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 3, 5, 7, 9),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(80),
@@ -536,8 +528,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(30, 35, 40, 45),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -668,8 +658,6 @@
 
 	variation_list = list(
 		//MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(200),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -829,8 +817,6 @@
 
 	variation_list = list(
 		//MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(3000),
 		MOB_RETREAT_DISTANCE_LIST(0, 0, 0, 3, 3),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(65),
@@ -992,8 +978,6 @@
 
 	variation_list = list(
 		//MOB_COLOR_VARIATION(50, 50, 50, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.2, 3.4, 3.6),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(75),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
diff --git a/code/modules/mob/living/simple_animal/hostile/f13/ghoul.dm b/code/modules/mob/living/simple_animal/hostile/f13/ghoul.dm
index 20fb281725..73a9ba89f2 100644
--- a/code/modules/mob/living/simple_animal/hostile/f13/ghoul.dm
+++ b/code/modules/mob/living/simple_animal/hostile/f13/ghoul.dm
@@ -121,8 +121,6 @@
 	
 	variation_list = list(
 		MOB_COLOR_VARIATION(150, 150, 150, 255, 255, 255),
-		MOB_SPEED_LIST(3.0, 3.2, 3.6, 3.8, 4),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(10),
 		MOB_HEALTH_LIST(30, 35, 40, 40, 40, 40, 41),
 		MOB_RETREAT_DISTANCE_LIST(0, 0, 1),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(5),
@@ -186,8 +184,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(200, 200, 200, 255, 255, 255),
-		MOB_SPEED_LIST(3.6, 3.8, 4, 4.2, 4.4),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(10),
 		MOB_HEALTH_LIST(41, 45, 50, 50, 50, 50, 51),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 1),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(5),
@@ -333,8 +329,6 @@
 
 	variation_list = list(
 		MOB_COLOR_VARIATION(150, 150, 150, 255, 255, 255),
-		MOB_SPEED_LIST(3.0, 3.2, 3.6, 3.8, 4, 4.2),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(10),
 		MOB_HEALTH_LIST(38, 40, 42, 44),
 		MOB_RETREAT_DISTANCE_LIST(0, 2, 4),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(50),
@@ -440,8 +434,6 @@
 	loot_drop_amount = 4
 	variation_list = list(
 		MOB_COLOR_VARIATION(150, 150, 150, 255, 255, 255),
-		MOB_SPEED_LIST(3.6, 3.8, 4, 4.2, 4.4),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(10),
 		MOB_HEALTH_LIST(30, 35, 40, 40, 40, 40, 41),
 		MOB_RETREAT_DISTANCE_LIST(0, 0, 1),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(5),
@@ -480,8 +472,6 @@
 	loot_drop_amount = 5
 	variation_list = list(
 		MOB_COLOR_VARIATION(150, 150, 150, 255, 255, 255),
-		MOB_SPEED_LIST(3.6, 3.8, 4, 4.2, 4.4),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(10),
 		MOB_HEALTH_LIST(30, 35, 40, 40, 40, 40, 41),
 		MOB_RETREAT_DISTANCE_LIST(0, 0, 1),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(5),
diff --git a/code/modules/mob/living/simple_animal/hostile/f13/insects.dm b/code/modules/mob/living/simple_animal/hostile/f13/insects.dm
index f804b2cefc..42fbb234df 100644
--- a/code/modules/mob/living/simple_animal/hostile/f13/insects.dm
+++ b/code/modules/mob/living/simple_animal/hostile/f13/insects.dm
@@ -17,7 +17,7 @@
 	mob_biotypes = MOB_ORGANIC|MOB_BEAST
 	mob_armor = ARMOR_VALUE_ANTS
 	speak_chance = 0
-	move_to_delay = 3
+	move_to_delay = 4
 	// m2d 3 = standard, less is fast, more is slower.
 
 	retreat_distance = 0
@@ -232,7 +232,7 @@
 	waddle_amount = 3
 	waddle_up_time = 1
 	waddle_side_time = 1
-	move_to_delay = 3
+	move_to_delay = 4
 	// m2d 3 = standard, less is fast, more is slower.
 
 	retreat_distance = 0
diff --git a/code/modules/mob/living/simple_animal/hostile/f13/mirelurks.dm b/code/modules/mob/living/simple_animal/hostile/f13/mirelurks.dm
index 450b87cced..fc98759f87 100644
--- a/code/modules/mob/living/simple_animal/hostile/f13/mirelurks.dm
+++ b/code/modules/mob/living/simple_animal/hostile/f13/mirelurks.dm
@@ -52,8 +52,6 @@
 	pop_required_to_jump_into = MED_MOB_MIN_PLAYERS
 	variation_list = list(
 		MOB_COLOR_VARIATION(100, 100, 100, 255, 255, 255),
-		MOB_SPEED_LIST(3.3, 3.4, 3.5),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(100),
 		MOB_HEALTH_LIST(110, 115, 120, 130),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 2),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(70),
@@ -87,8 +85,6 @@
 	pop_required_to_jump_into = BIG_MOB_MIN_PLAYERS
 	variation_list = list(
 		MOB_COLOR_VARIATION(100, 100, 100, 255, 255, 255),
-		MOB_SPEED_LIST(3, 3.1, 3.2),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(100),
 		MOB_HEALTH_LIST(140, 150, 160, 170),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 2),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(70),
@@ -122,8 +118,6 @@
 	pop_required_to_jump_into = 0
 	variation_list = list(
 		MOB_COLOR_VARIATION(100, 100, 100, 255, 255, 255),
-		MOB_SPEED_LIST(2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(100),
 		MOB_HEALTH_LIST(35, 39, 40, 41),
 		MOB_RETREAT_DISTANCE_LIST(15, 16),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
diff --git a/code/modules/mob/living/simple_animal/hostile/regalrat.dm b/code/modules/mob/living/simple_animal/hostile/regalrat.dm
index 8e42dee98f..bf0cd0735c 100644
--- a/code/modules/mob/living/simple_animal/hostile/regalrat.dm
+++ b/code/modules/mob/living/simple_animal/hostile/regalrat.dm
@@ -202,8 +202,6 @@
 	var/cheesy = FALSE
 
 	variation_list = list(
-		MOB_SPEED_LIST(1.5, 1.8, 2.0),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(5, 10, 15, 20, 24),
 		MOB_RETREAT_DISTANCE_LIST(0, 1, 3),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -238,8 +236,6 @@
 	is_smol = TRUE
 
 	variation_list = list(
-		MOB_SPEED_LIST(0.2, 1.5, 1.8, 2.0, 5.0),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(5, 10, 15, 20, 24),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),
@@ -289,8 +285,6 @@
 	is_smol = TRUE
 
 	variation_list = list(
-		MOB_SPEED_LIST(0.2, 1.5, 1.8, 2.0, 5.0),
-		MOB_SPEED_CHANGE_PER_TURN_CHANCE(50),
 		MOB_HEALTH_LIST(30, 35, 40, 45, 50),
 		MOB_RETREAT_DISTANCE_LIST(3, 5, 7),
 		MOB_RETREAT_DISTANCE_CHANGE_PER_TURN_CHANCE(100),