diff --git a/biomes/swamp-beach.json b/biomes/swamp-beach.json
index 0b46a7dd..751966db 100644
--- a/biomes/swamp-beach.json
+++ b/biomes/swamp-beach.json
@@ -124,30 +124,5 @@
             "beach-clutter"
         ]
     },
-    "derivative": "SWAMP",
-    "slab": {
-        "style": {
-            "style": "STATIC"
-        },
-        "palette": [
-            {
-                "data": {
-                    "waterlogged": false,
-                    "type": "bottom"
-                },
-                "block": "sandstone_slab"
-            },
-            {
-                "data": {
-                    "waterlogged": false,
-                    "type": "bottom"
-                },
-                "block": "smooth_sandstone_slab"
-            },
-            {
-                "weight": 2,
-                "block": "air"
-            }
-        ]
-    }
+    "derivative": "SWAMP"
 }
\ No newline at end of file
diff --git a/biomes/tropical-cavern-coral.json b/biomes/tropical-cavern-coral.json
index f70bd8a7..afb2f284 100644
--- a/biomes/tropical-cavern-coral.json
+++ b/biomes/tropical-cavern-coral.json
@@ -251,13 +251,6 @@
                 },
                 "block": "stone_slab"
             },
-            {
-                "data": {
-                    "waterlogged": false,
-                    "type": "bottom"
-                },
-                "block": "polished_diorite_slab"
-            },
             {
                 "weight": 7,
                 "block": "air"
diff --git a/biomes/tropical-cavern.json b/biomes/tropical-cavern.json
index ba4615e1..e4f7a3dc 100644
--- a/biomes/tropical-cavern.json
+++ b/biomes/tropical-cavern.json
@@ -156,13 +156,6 @@
                 },
                 "block": "stone_slab"
             },
-            {
-                "data": {
-                    "waterlogged": false,
-                    "type": "bottom"
-                },
-                "block": "polished_diorite_slab"
-            },
             {
                 "weight": 7,
                 "block": "air"