diff --git a/code/game/machinery/doors/door.dm b/code/game/machinery/doors/door.dm
index f338a799e4b3..a07d1427dfdc 100644
--- a/code/game/machinery/doors/door.dm
+++ b/code/game/machinery/doors/door.dm
@@ -458,12 +458,6 @@
 	if(!glass && GLOB.cameranet)
 		GLOB.cameranet.updateVisibility(src, 0)
 
-/obj/machinery/door/get_superconductivity(direction)
-	// Only heatproof airlocks block heat, currently only varedited doors have this
-	if(heat_proof && density)
-		return FALSE
-	return ..()
-
 /obj/machinery/door/proc/check_unres() //unrestricted sides. This overlay indicates which directions the player can access even without an ID
 	if(hasPower() && unres_sides)
 		. = list()