diff --git a/code/modules/mob/living/carbon/monkey/monkey.dm b/code/modules/mob/living/carbon/monkey/monkey.dm
index f9c2e2dd3d..025c1a2f75 100644
--- a/code/modules/mob/living/carbon/monkey/monkey.dm
+++ b/code/modules/mob/living/carbon/monkey/monkey.dm
@@ -63,8 +63,6 @@
 	var/amount
 	if(reagents.has_reagent("morphine"))
 		amount = -1
-	if(reagents.has_reagent("nuka_cola"))
-		amount = -1
 	if(amount)
 		add_movespeed_modifier(MOVESPEED_ID_MONKEY_REAGENT_SPEEDMOD, TRUE, 100, override = TRUE, multiplicative_slowdown = amount)
 
diff --git a/code/modules/reagents/chemistry/reagents/drink_reagents.dm b/code/modules/reagents/chemistry/reagents/drink_reagents.dm
index 80dac84f18..08594dee5b 100644
--- a/code/modules/reagents/chemistry/reagents/drink_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/drink_reagents.dm
@@ -407,10 +407,6 @@
 	glass_name = "glass of Nuka Cola"
 	glass_desc = "Don't cry, Don't raise your eye, It's only nuclear wasteland."
 
-/datum/reagent/consumable/nuka_cola/on_mob_metabolize(mob/living/L)
-	..()
-	L.add_movespeed_modifier(id, update=TRUE, priority=100, multiplicative_slowdown=-1, blacklisted_movetypes=(FLYING|FLOATING))
-
 /datum/reagent/consumable/nuka_cola/on_mob_end_metabolize(mob/living/L)
 	L.remove_movespeed_modifier(id)
 	..()