diff --git a/packages/engine/build.cloud.json b/packages/engine/build.cloud.json
index 60fbc52b3..8a54b9e30 100644
--- a/packages/engine/build.cloud.json
+++ b/packages/engine/build.cloud.json
@@ -1,6 +1,5 @@
 {
   "entry": {
-    "engine": "src/index",
     "engine-core": "src/index-core"
   },
   "library": "___AliLowCodeEngine___",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 577d7e355..ac3f6fe36 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -2,8 +2,8 @@
   "name": "@ali/lowcode-engine",
   "version": "1.0.49",
   "description": "Universal API for AliLowCode engine",
-  "main": "lib/engine.js",
-  "module": "es/engine.js",
+  "main": "lib/engine-core.js",
+  "module": "es/engine-core.js",
   "files": [
     "dist",
     "es",
diff --git a/packages/engine/src/engine.ts b/packages/engine/src/engine.ts
deleted file mode 100644
index 0911de7e1..000000000
--- a/packages/engine/src/engine.ts
+++ /dev/null
@@ -1,154 +0,0 @@
-import { createElement } from 'react';
-import { render } from 'react-dom';
-import { globalContext, Editor } from '@ali/lowcode-editor-core';
-import * as editorCabin from '@ali/lowcode-editor-core';
-import {
-  Designer,
-  LowCodePluginManager,
-} from '@ali/lowcode-designer';
-import * as designerCabin from '@ali/lowcode-designer';
-import { Skeleton, SettingsPrimaryPane, registerDefaults } from '@ali/lowcode-editor-skeleton';
-import * as skeletonCabin from '@ali/lowcode-editor-skeleton';
-import Outline, { OutlineBackupPane, getTreeMaster } from '@ali/lowcode-plugin-outline-pane';
-import DesignerPlugin from '@ali/lowcode-plugin-designer';
-import './modules/live-editing';
-
-export * from './modules/editor-types';
-export * from './modules/skeleton-types';
-export * from './modules/designer-types';
-// export * from './modules/lowcode-types';
-
-const { hotkey, monitor, getSetter, registerSetter, getSettersMap } = editorCabin;
-registerDefaults();
-
-const editor = new Editor();
-globalContext.register(editor, Editor);
-globalContext.register(editor, 'editor');
-
-const skeleton = new Skeleton(editor);
-editor.set(Skeleton, skeleton);
-editor.set('skeleton' as any, skeleton);
-
-const designer = new Designer({ editor });
-editor.set(Designer, designer);
-editor.set('designer' as any, designer);
-
-const plugins = new LowCodePluginManager(editor).toProxy();
-editor.set('plugins' as any, plugins);
-
-skeleton.add({
-  area: 'mainArea',
-  name: 'designer',
-  type: 'Widget',
-  content: DesignerPlugin,
-});
-skeleton.add({
-  area: 'rightArea',
-  name: 'settingsPane',
-  type: 'Panel',
-  content: SettingsPrimaryPane,
-  props: {
-    ignoreRoot: true,
-  },
-});
-skeleton.add({
-  area: 'leftArea',
-  name: 'outlinePane',
-  type: 'PanelDock',
-  content: Outline,
-  panelProps: {
-    area: 'leftFixedArea',
-  },
-});
-skeleton.add({
-  area: 'rightArea',
-  name: 'backupOutline',
-  type: 'Panel',
-  props: {
-    condition: () => {
-      return designer.dragon.dragging && !getTreeMaster(designer).hasVisibleTreeBoard();
-    },
-  },
-  content: OutlineBackupPane,
-});
-
-const { project, currentSelection: selection } = designer;
-const { Workbench } = skeletonCabin;
-const setters = {
-  getSetter,
-  registerSetter,
-  getSettersMap,
-};
-
-export {
-  editor,
-  editorCabin,
-  skeleton,
-  skeletonCabin,
-  designer,
-  designerCabin,
-  plugins,
-  setters,
-  project,
-  selection,
-  /**
-   * 注册一些全局的切面
-   */
-  // hooks,
-  /**
-   * 全局的一些数据存储
-   */
-  // store,
-  hotkey,
-  monitor,
-};
-
-const getSelection = () => designer.currentDocument?.selection;
-// TODO: build-plugin-component 的 umd 开发态没有导出 AliLowCodeEngine，这里先简单绕过
-(window as any).AliLowCodeEngine = {
-  editor,
-  editorCabin,
-  skeleton,
-  skeletonCabin,
-  designer,
-  designerCabin,
-  plugins,
-  setters,
-  project,
-  get selection() {
-    return getSelection();
-  },
-  /**
-   * 注册一些全局的切面
-   */
-  // hooks,
-  /**
-   * 全局的一些数据存储
-   */
-  // store,
-  hotkey,
-  monitor,
-  init,
-};
-
-export async function init(container?: Element) {
-  // 因为这里的 setter 可能已经用到了 VisualEngine 的 API，所以延迟到此加载，而不是一开始就加载
-  const builtinSetters = require('@ali/lowcode-editor-setters').default;
-  registerSetter(builtinSetters as any);
-  let engineContainer = container;
-  if (!engineContainer) {
-    engineContainer = document.createElement('div');
-    document.body.appendChild(engineContainer);
-  }
-  engineContainer.id = 'engine';
-
-  await plugins.init();
-  render(
-    createElement(Workbench, {
-      skeleton,
-      className: 'engine-main',
-      topAreaItemClassName: 'engine-actionitem',
-    }),
-    engineContainer,
-  );
-}
diff --git a/packages/engine/src/index.ts b/packages/engine/src/index.ts
deleted file mode 100644
index 970f55233..000000000
--- a/packages/engine/src/index.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-export * from './engine';
-
-const version = '{{VERSION_PLACEHOLDER}}';
-
-(window as any).AliLowCodeEngine.version = version;
-
-console.log(
-  `%c AliLowCodeEngine %c v${version} `,
-  'padding: 2px 1px; border-radius: 3px 0 0 3px; color: #fff; background: #606060; font-weight: bold;',
-  'padding: 2px 1px; border-radius: 0 3px 3px 0; color: #fff; background: #42c02e; font-weight: bold;',
-);
diff --git a/packages/ignitor/build.json b/packages/ignitor/build.json
index 77dac5d74..f86c93cb1 100644
--- a/packages/ignitor/build.json
+++ b/packages/ignitor/build.json
@@ -1,6 +1,5 @@
 {
   "entry": {
-    "engine": "../engine/src/index.ts",
     "engine-core": "../engine/src/index-core.ts",
     "vision-polyfill": "../vision-polyfill/src/index.ts",
     "react-simulator-renderer": "../react-simulator-renderer/src/index.ts",