diff --git a/packages/frontend/src/world/room/objects/ironFrameShelf.ts b/packages/frontend/src/world/room/objects/ironFrameShelf.ts
deleted file mode 100644
index fa05fa81b9..0000000000
--- a/packages/frontend/src/world/room/objects/ironFrameShelf.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import * as BABYLON from '@babylonjs/core';
-import { defineObject, defineObjectClass } from '../object.js';
-
-const base = defineObjectClass({
-	options: {
-		schema: {
-			frameMat: {
-				type: 'material',
-			},
-			boardMat: {
-				type: 'material',
-			},
-			width: {
-				type: 'range',
-				min: 0,
-				max: 1,
-				step: 0.01,
-			},
-		},
-		default: {
-			frameMat: { color: [0.2, 0.2, 0.2], roughness: 0.4, metallic: 1 },
-			boardMat: { color: [0.8, 0.4, 0.1], roughness: 0.7, metallic: 0 },
-			width: 0.2,
-		},
-	},
-	placement: 'floor',
-	hasCollisions: true,
-	createInstance: ({ options, model }) => {
-		const frameMaterial = model.findMaterial('__X_FRAME__');
-		const boardMaterial = model.findMaterial('__X_BOARD__');
-
-		const applyFrameMat = () => {
-			frameMaterial.albedoColor = new BABYLON.Color3(options.frameMat.color[0], options.frameMat.color[1], options.frameMat.color[2]);
-			frameMaterial.roughness = options.frameMat.roughness;
-			frameMaterial.metallic = options.frameMat.metallic;
-		};
-
-		applyFrameMat();
-
-		const applyBoardMat = () => {
-			boardMaterial.albedoColor = new BABYLON.Color3(options.boardMat.color[0], options.boardMat.color[1], options.boardMat.color[2]);
-			boardMaterial.roughness = options.boardMat.roughness;
-			boardMaterial.metallic = options.boardMat.metallic;
-		};
-
-		applyBoardMat();
-
-		const applySize = () => {
-			for (const mesh of model.root.getChildMeshes()) {
-				if (mesh.morphTargetManager != null && mesh.morphTargetManager.getTargetByName('Width') != null) {
-					mesh.morphTargetManager.getTargetByName('Width').influence = options.width;
-				}
-			}
-			model.updated();
-		};
-
-		applySize();
-
-		return {
-			onOptionsUpdated: ([k, v]) => {
-				switch (k) {
-					case 'frameMat': applyFrameMat(); break;
-					case 'boardMat': applyBoardMat(); break;
-					case 'width': applySize(); break;
-				}
-			},
-			interactions: {},
-			dispose: () => {},
-		};
-	},
-});
-
-export const ironFrameShelf5 = base.extend({
-	id: 'ironFrameShelf5',
-	path: () => 'iron-frame-shelf/iron-frame-shelf-5',
-});
-
-export const ironFrameShelf4 = base.extend({
-	id: 'ironFrameShelf4',
-	path: () => 'iron-frame-shelf/iron-frame-shelf-4',
-});
-
-export const ironFrameShelf3 = base.extend({
-	id: 'ironFrameShelf3',
-	path: () => 'iron-frame-shelf/iron-frame-shelf-3',
-});
diff --git a/packages/frontend/src/world/room/objects/ironFrameShelf.ui.ts b/packages/frontend/src/world/room/objects/ironFrameShelf.ui.ts
deleted file mode 100644
index 3aedc13bf8..0000000000
--- a/packages/frontend/src/world/room/objects/ironFrameShelf.ui.ts
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { defineObjectUi } from '../defineObjectUi.js';
-import type { ironFrameShelf5, ironFrameShelf4, ironFrameShelf3 } from './ironFrameShelf.js';
-import { i18n } from '@/i18n.js';
-
-export const ironFrameShelf5_ui = defineObjectUi<typeof ironFrameShelf5>({
-	name: i18n.ts._miRoom._objects.ironFrameShelf5,
-	options: {
-		frameMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.frameMat,
-		},
-		boardMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.boardMat,
-		},
-		width: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.width,
-		},
-	},
-});
-
-export const ironFrameShelf4_ui = defineObjectUi<typeof ironFrameShelf4>({
-	name: i18n.ts._miRoom._objects.ironFrameShelf4,
-	options: {
-		frameMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.frameMat,
-		},
-		boardMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.boardMat,
-		},
-		width: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.width,
-		},
-	},
-});
-
-export const ironFrameShelf3_ui = defineObjectUi<typeof ironFrameShelf3>({
-	name: i18n.ts._miRoom._objects.ironFrameShelf3,
-	options: {
-		frameMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.frameMat,
-		},
-		boardMat: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.boardMat,
-		},
-		width: {
-			label: i18n.ts._miRoom._objects._ironFrameShelf.width,
-		},
-	},
-});