diff --git a/code/modules/mining/lavaland/necropolis_chests.dm b/code/modules/mining/lavaland/necropolis_chests.dm
index e03de83e02..819b005b43 100644
--- a/code/modules/mining/lavaland/necropolis_chests.dm
+++ b/code/modules/mining/lavaland/necropolis_chests.dm
@@ -78,10 +78,7 @@
 		if(28)
 			new /obj/item/clothing/neck/necklace/memento_mori(src)
 		if(29)
-			if(prob(50))
-				new /obj/item/malf_upgrade(src)
-			else
-				new /obj/item/disk/tech_disk/illegal(src)
+			new /obj/item/disk/tech_disk/illegal(src)
 
 //KA modkit design discs
 /obj/item/disk/design_disk/modkit_disc