diff --git a/dev.test/biomes/a.json b/dev.test/biomes/a.json
index 3400cf0a..913b5428 100644
--- a/dev.test/biomes/a.json
+++ b/dev.test/biomes/a.json
@@ -23,22 +23,5 @@
             "max": 12
         }
     ],
-    "objects": [
-        {
-            "chance": 0.5,
-            "density": 1,
-            "rotation": {
-                "enabled": false
-            },
-            "place": [
-                "tester"
-            ],
-            "translate": {
-                "x": 0,
-                "y": 0,
-                "z": 0
-            }
-        }
-    ],
-    "derivative": "JUNGLE_EDGE"
+    "derivative": "PLAINS"
 }
\ No newline at end of file
diff --git a/dev.test/biomes/b.json b/dev.test/biomes/b.json
deleted file mode 100644
index c56e12f9..00000000
--- a/dev.test/biomes/b.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-    "name": "Land",
-    "layers": [
-        {
-            "minHeight": 3,
-            "maxHeight": 6,
-            "palette": [
-                "STONE"
-            ]
-        },
-        {
-            "minHeight": 1,
-            "maxHeight": 3,
-            "palette": [
-                "DIRT"
-            ]
-        }
-    ],
-    "generators":[
-        {
-            "generator": "plain",
-            "min": 12,
-            "max": 12
-        }
-    ],
-    "objects": [
-        {
-            "chance": 0.5,
-            "density": 1,
-            "rotation": {
-                "enabled": false
-            },
-            "place": [
-                "tester"
-            ],
-            "translate": {
-                "x": 0,
-                "y": 0,
-                "z": 0
-            }
-        }
-    ],
-    "derivative": "JUNGLE_EDGE"
-}
\ No newline at end of file
diff --git a/dev.test/dimensions/test.json b/dev.test/dimensions/test.json
index b8e2dcf1..cf740fd8 100644
--- a/dev.test/dimensions/test.json
+++ b/dev.test/dimensions/test.json
@@ -18,7 +18,10 @@
     "continentZoom": 0.2,
     "hermiteBias": 0.5,
     "placeObjects": true,
-    "caves": false,
+    "caves": true,
+    "caveScale": 1,
+    "caveThickness": 1,
+    "caveShift": 0,
     "roughnessZoom": 1,
     "regions": [
         "test"
diff --git a/dev.test/objects/tester.iob b/dev.test/objects/tester.iob
deleted file mode 100644
index cb45c8b0..00000000
Binary files a/dev.test/objects/tester.iob and /dev/null differ
diff --git a/dev.test/regions/test.json b/dev.test/regions/test.json
index 67429dc2..ea7da866 100644
--- a/dev.test/regions/test.json
+++ b/dev.test/regions/test.json
@@ -3,8 +3,7 @@
     "shoreRatio": 0.05,
     "biomeImplosionRatio": 0.25,
     "landBiomes": [
-        "a",
-        "b"
+        "a"
     ],
     "seaBiomes": [
         "ocean"
diff --git a/iris.overworld.sky/README.md b/iris.overworld.sky/README.md
deleted file mode 100644
index e69de29b..00000000
diff --git a/iris.overworld.sky/biomes/sky.json b/iris.overworld.sky/biomes/sky.json
deleted file mode 100644
index bcd2a2f8..00000000
--- a/iris.overworld.sky/biomes/sky.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-    "name": "Sky",
-    "layers": [
-        {
-            "minHeight": 6,
-            "maxHeight": 18,
-            "palette": [
-                "BLACKSTONE"
-            ]
-        }
-    ],
-    "objects": [
-        {
-            "chance": 2,
-            "density": 1,
-            "edit": [
-                {
-                    "find": "ICE",
-                    "replace": "MAGMA_BLOCK"
-                },
-                {
-                    "find": "PACKED_ICE",
-                    "replace": "COAL_BLOCK"
-                }
-            ],
-            "place": [
-                "spire-magma/MagmaSpire1",
-                "spire-magma/MagmaSpire2",
-                "spire-magma/MagmaSpire3"
-            ],
-            "translate": {
-                "x": 0,
-                "y": -1,
-                "z": 0
-            }
-        }
-    ],
-    "generators":[
-        {
-            "generator": "plain",
-            "min": 4,
-            "max": 27
-        },
-        {
-            "generator": "wavy",
-            "min": 3,
-            "max": 18
-        }
-    ],
-    "derivative": "DESERT"
-}
\ No newline at end of file
diff --git a/iris.overworld.sky/regions/sky.json b/iris.overworld.sky/regions/sky.json
deleted file mode 100644
index 583775a7..00000000
--- a/iris.overworld.sky/regions/sky.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-    "name": "Sky",
-    "biomeImplosionRatio": 0.25,
-    "shoreHeightMin": 2.2,
-    "shoreHeightMax": 4.2,
-    "shoreHeightZoom": 1.14,
-    "landBiomes": [
-        "sky"
-    ],
-    "seaBiomes": [
-        "sky"
-    ],
-    "shoreBiomes": [
-        "sky"
-    ]
-}
\ No newline at end of file
diff --git a/iris.overworld/dimensions/sky.json b/iris.overworld/dimensions/sky.json
deleted file mode 100644
index 0c171e84..00000000
--- a/iris.overworld/dimensions/sky.json
+++ /dev/null
@@ -1,33 +0,0 @@
-{
-    "environment": "NORMAL",
-    "fluidHeight": 7,
-    "biomeZoom": 0.88,
-    "regionZoom": 3,
-    "continentZoom": 1,
-    "dimensionAngleDeg": 83,
-    "terrainZoom": 1,
-    "landZoom": 2.5,
-    "shoreZoom": 1.5,
-    "seaZoom": 4,
-    "interpolationFunction": "BICUBIC",
-    "interpolationScale": 12,
-    "hermiteTension": 0.00001,
-    "hermiteBias": 0.5,
-    "roughnessHeight": 0,
-    "coordFractureZoom": 0.5,
-    "coordFractureDistance": 136,
-    "placeObjects": true,
-    "roughnessZoom": 1,
-	"caveScale": 0.5,
-    "caves": false,
-    "focus": "",
-    "rockPalette": [
-        "AIR"
-    ],
-    "fluidPalette": [
-        "AIR"
-    ],
-    "regions": [
-        "sky"
-    ]
-}
\ No newline at end of file