diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index 6fde595d0bb..80a217af233 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -525,7 +525,6 @@
 	reinf = TRUE
 	heat_resistance = 1300
 	armor = list(MELEE = 50, BULLET = 0, LASER = 0, ENERGY = 0, BOMB = 25, RAD = 100, FIRE = 80, ACID = 100)
-	rad_insulation_beta = RAD_NO_INSULATION
 	max_integrity = 50
 	explosion_block = 1
 	glass_type = /obj/item/stack/sheet/rglass
@@ -818,7 +817,6 @@
 	reinf = TRUE
 	heat_resistance = 32000
 	armor = list(MELEE = 85, BULLET = 20, LASER = 0, ENERGY = 0, BOMB = 60, RAD = 100, FIRE = 99, ACID = 100)
-	rad_insulation_beta = RAD
 	explosion_block = 3
 	glass_type = /obj/item/stack/sheet/plastitaniumglass
 	smoothing_groups = list(SMOOTH_GROUP_SHUTTLE_PARTS, SMOOTH_GROUP_WINDOW_FULLTILE_PLASTITANIUM, SMOOTH_GROUP_PLASTITANIUM_WALLS)