diff --git a/iris.overworld.swamp/biomes/swamp-mushroom.json b/iris.overworld.swamp/biomes/swamp-mushroom.json
index 44ee2108..5b140558 100644
--- a/iris.overworld.swamp/biomes/swamp-mushroom.json
+++ b/iris.overworld.swamp/biomes/swamp-mushroom.json
@@ -38,13 +38,6 @@
         "dispersion": "WISPY",
         "terrainZoom": 0.35,
         "palette": [
-            "AIR",
-            "AIR",
-            "AIR",
-            "AIR",
-            "AIR",
-            "minecraft:mossy_cobblestone_slab[type=bottom,waterlogged=false]",
-            "AIR",
             "AIR",
             "AIR",
             "AIR",