Double checking my work

code/modules/mob/living/simple_animal/friendly/drone/_drone.dm

@@ -37,6 +37,7 @@
 	gender = NEUTER
 	mob_biotypes = list(MOB_ROBOTIC)
 	speak_emote = list("chirps")
+	speech_span = SPAN_ROBOT
 	bubble_icon = "machine"
 	initial_language_holder = /datum/language_holder/drone
 	mob_size = MOB_SIZE_SMALL
@@ -92,7 +93,7 @@
 		var/obj/item/I = new default_hatmask(src)
 		equip_to_slot_or_del(I, SLOT_HEAD)
 
-	access_card.item_flags |= TRAIT_NODROP
+	ADD_TRAIT(access_card, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
 
 	alert_drones(DRONE_NET_CONNECT)
 
@@ -272,4 +273,4 @@
 	return 1
 
 /mob/living/simple_animal/drone/electrocute_act(shock_damage, obj/source, siemens_coeff = 1, safety = 0, tesla_shock = 0, illusion = 0, stun = TRUE)
-	return 0 //So they don't die trying to fix wiring
+	return 0 //So they don't die trying to fix wiring

code/modules/mob/living/simple_animal/guardian/types/dextrous.dm

@@ -84,4 +84,4 @@
 
 /mob/living/simple_animal/hostile/guardian/dextrous/regenerate_icons()
 	..()
-	update_inv_internal_storage()
+	update_inv_internal_storage()

code/modules/mob/living/simple_animal/hostile/alien.dm

@@ -178,4 +178,4 @@
 		var/atom/movable/M = target
 		M.clean_blood()
 		visible_message("[src] polishes \the [target].")
-		return TRUE
+		return TRUE