diff --git a/code/modules/mob/mob_helpers.dm b/code/modules/mob/mob_helpers.dm
index 4679565c60..3df55d2715 100644
--- a/code/modules/mob/mob_helpers.dm
+++ b/code/modules/mob/mob_helpers.dm
@@ -33,7 +33,7 @@
 		return L.mob_size <= MOB_MINISCULE
 	return 0
 
-/mob/living/silicon/isSynthetic(var/skip_emote_update)
+/mob/living/silicon/isSynthetic()
 	return 1
 
 /mob/proc/isMonkey()