diff --git a/code/game/machinery/_machinery.dm b/code/game/machinery/_machinery.dm
index ba59eb302bd..7485e1253a6 100644
--- a/code/game/machinery/_machinery.dm
+++ b/code/game/machinery/_machinery.dm
@@ -136,8 +136,6 @@
 	var/market_verb = "Customer"
 	var/payment_department = ACCOUNT_ENG
 
-	/// For storing and overriding ui id
-	var/tgui_id // ID of TGUI interface
 	///Is this machine currently in the atmos machinery queue?
 	var/atmos_processing = FALSE
 	/// world.time of last use by [/mob/living]
diff --git a/code/modules/power/monitor.dm b/code/modules/power/monitor.dm
index 32e461ba8f8..3d4c92d8b19 100644
--- a/code/modules/power/monitor.dm
+++ b/code/modules/power/monitor.dm
@@ -8,7 +8,6 @@
 	light_color = LIGHT_COLOR_DIM_YELLOW
 	use_power = ACTIVE_POWER_USE
 	circuit = /obj/item/circuitboard/computer/powermonitor
-	tgui_id = "PowerMonitor"
 
 	var/datum/weakref/attached_wire_ref
 	var/datum/weakref/local_apc_ref