diff --git a/game/modules/tome/data/maps/vaults/auto/greater/greater-checkerboard.lua b/game/modules/tome/data/maps/vaults/auto/greater/greater-checkerboard.lua
index 476db3b9dde708f4903fa947693f451f6d6b313a..fb9ea3f546f5a7103fc0a822da33f2f1f2c30ccc 100644
--- a/game/modules/tome/data/maps/vaults/auto/greater/greater-checkerboard.lua
+++ b/game/modules/tome/data/maps/vaults/auto/greater/greater-checkerboard.lua
@@ -28,7 +28,6 @@ specialList("actor", {
 border = 0
 defineTile('.', "FLOOR")
 defineTile('#', "DOOR")
-defineTile('!', "DOOR_VAULT")
 defineTile('X', "HARDWALL")
 defineTile('8', "FLOOR", {random_filter={add_levels=15, tome_mod="gvault"}}, {random_filter={add_levels=50}})
 defineTile('!', "DOOR_VAULT")