diff --git a/data/json/obsoletion_and_migration_0.I/obsolete_furniture.json b/data/json/obsoletion_and_migration_0.I/obsolete_furniture.json
deleted file mode 100644
index 2662811117fc4..0000000000000
--- a/data/json/obsoletion_and_migration_0.I/obsolete_furniture.json
+++ /dev/null
@@ -1,91 +0,0 @@
-[
-  {
-    "//": "Obsoleted during 0.H, if I am still obsolete at the time of 0.I stable please migrate me.",
-    "type": "furniture",
-    "id": "f_mutant_tree_adult",
-    "name": "mutant tree",
-    "description": "This bizarre tree spreads its twisted branches at odd angles toward the sky.  If you squint, it almost looks like a human figure with its arms raised to catch the sun.",
-    "symbol": "7",
-    "color": "light_green",
-    "required_str": -1,
-    "move_cost_mod": 0,
-    "flags": [
-      "PLANT",
-      "SEALED",
-      "TRANSPARENT",
-      "CONTAINER",
-      "NOITEM",
-      "TINY",
-      "DONT_REMOVE_ROTTEN",
-      "GROWTH_HARVEST",
-      "MUTANT_TREE",
-      "TREE",
-      "OBSTACLE"
-    ],
-    "bash": {
-      "str_min": 18,
-      "str_max": 50,
-      "sound": "crunch.",
-      "sound_fail": "whish.",
-      "items": [
-        { "item": "stick_long", "count": [ 1, 2 ] },
-        { "item": "bone", "count": [ 1, 2 ] },
-        { "item": "splinter", "count": [ 1, 5 ] },
-        { "item": "twig", "count": [ 2, 5 ] },
-        { "item": "leaves", "count": [ 5, 25 ] }
-      ]
-    },
-    "plant_data": { "transform": "f_null", "base": "f_null" }
-  },
-  {
-    "//": "Obsoleted during 0.H, if I am still obsolete at the time of 0.I stable please migrate me.",
-    "type": "furniture",
-    "id": "f_mutant_tree_sapling",
-    "name": "mutant sapling",
-    "description": "A twisted and gnarled little tree.  Its shape is at once alien and familiar.",
-    "symbol": "1",
-    "color": "green",
-    "move_cost_mod": 1,
-    "required_str": -1,
-    "flags": [
-      "PLANT",
-      "SEALED",
-      "TRANSPARENT",
-      "CONTAINER",
-      "NOITEM",
-      "TINY",
-      "DONT_REMOVE_ROTTEN",
-      "GROWTH_MATURE",
-      "SMALL_HIDE",
-      "YOUNG"
-    ],
-    "bash": {
-      "str_min": 8,
-      "str_max": 50,
-      "sound": "crunch.",
-      "sound_fail": "whish.",
-      "items": [
-        { "item": "stick_long", "count": [ 0, 2 ] },
-        { "item": "bone", "count": [ 1, 2 ] },
-        { "item": "splinter", "count": [ 0, 2 ] },
-        { "item": "twig", "count": [ 1, 3 ] },
-        { "item": "leaves", "count": [ 5, 20 ] }
-      ]
-    },
-    "plant_data": { "transform": "f_mutant_tree_adult", "base": "f_null" }
-  },
-  {
-    "//": "Obsoleted during 0.H, if I am still obsolete at the time of 0.I stable please migrate me.",
-    "type": "furniture",
-    "id": "f_mutant_tree_sprout",
-    "name": "sprout",
-    "description": "A tiny little sprout that has just begun to grow.",
-    "symbol": "^",
-    "color": "green",
-    "move_cost_mod": 0,
-    "required_str": -1,
-    "flags": [ "PLANT", "SEALED", "TRANSPARENT", "CONTAINER", "NOITEM", "TINY", "DONT_REMOVE_ROTTEN", "GROWTH_SEEDLING" ],
-    "bash": { "str_min": 6, "str_max": 10, "sound": "crunch.", "sound_fail": "whish." },
-    "plant_data": { "transform": "f_mutant_tree_sapling", "base": "f_null" }
-  }
-]