diff --git a/code/modules/mob/living/carbon/alien/larva/larva.dm b/code/modules/mob/living/carbon/alien/larva/larva.dm
index 85734c49047..ccacad6456e 100644
--- a/code/modules/mob/living/carbon/alien/larva/larva.dm
+++ b/code/modules/mob/living/carbon/alien/larva/larva.dm
@@ -326,6 +326,8 @@
 /mob/living/carbon/alien/larva/show_inv(mob/user)
 	return
 
+/mob/living/carbon/alien/larva/toggle_throw_mode()
+	return
 
 /* Commented out because it's duplicated in life.dm
 /mob/living/carbon/alien/larva/proc/grow() // Larvae can grow into full fledged Xenos if they survive long enough -- TLE
diff --git a/code/modules/mob/living/carbon/metroid/metroid.dm b/code/modules/mob/living/carbon/metroid/metroid.dm
index a1e2f1a0f0a..f9200e27c40 100644
--- a/code/modules/mob/living/carbon/metroid/metroid.dm
+++ b/code/modules/mob/living/carbon/metroid/metroid.dm
@@ -589,6 +589,9 @@ mob/living/carbon/slime/var/temperature_resistance = T0C+75
 /mob/living/carbon/slime/show_inv(mob/user)
 	return
 
+/mob/living/carbon/slime/toggle_throw_mode()
+	return
+
 /mob/living/carbon/slime/proc/get_obstacle_ok(atom/A)
 	var/direct = get_dir(src, A)
 	var/obj/item/weapon/dummy/D = new /obj/item/weapon/dummy( src.loc )