diff --git a/regions/mesa.json b/regions/mesa.json
index 859a1a38..828bd996 100644
--- a/regions/mesa.json
+++ b/regions/mesa.json
@@ -38,16 +38,6 @@
             "rarity": 36
         }
     ],
-    "landBiomes": [
-        "hot-mesa",
-        "hot-mesa-plateau",
-        "hot-mesa-plateau-high",
-        "hot-mesa-valleys",
-        "hot-mesa-cliffs"
-    ],
-    "caveBiomes": [
-        "temperate-old-cavern"
-    ],
     "biomeImplosionRatio": 0.75,
     "riverStyle": {
         "style": "VASCULAR",