Kills off /obj/item/device (#6561)

code/modules/projectiles/guns/misc/blastcannon.dm

@@ -11,7 +11,7 @@
 	clumsy_check = FALSE
 	randomspread = FALSE
 
-	var/obj/item/device/transfer_valve/bomb
+	var/obj/item/transfer_valve/bomb
 
 /obj/item/gun/blastcannon/Initialize()
 	. = ..()
@@ -44,8 +44,8 @@
 		desc = initial(desc)
 
 /obj/item/gun/blastcannon/attackby(obj/O, mob/user)
-	if(istype(O, /obj/item/device/transfer_valve))
-		var/obj/item/device/transfer_valve/T = O
+	if(istype(O, /obj/item/transfer_valve))
+		var/obj/item/transfer_valve/T = O
 		if(!T.tank_one || !T.tank_two)
 			to_chat(user, "<span class='warning'>What good would an incomplete bomb do?</span>")
 			return FALSE