diff --git a/blocksuite/affine/all/package.json b/blocksuite/affine/all/package.json
index 52549ad762..bd2c83c582 100644
--- a/blocksuite/affine/all/package.json
+++ b/blocksuite/affine/all/package.json
@@ -214,7 +214,6 @@
     "./model": "./src/model/index.ts",
     "./sync": "./src/sync/index.ts",
     "./adapters": "./src/adapters/index.ts",
-    "./extensions": "./src/extensions/index.ts",
     "./extensions/store": "./src/extensions/store.ts",
     "./extensions/view": "./src/extensions/view.ts"
   },
diff --git a/blocksuite/affine/all/src/extensions/common.ts b/blocksuite/affine/all/src/extensions/common.ts
deleted file mode 100644
index 1284d9b7c9..0000000000
--- a/blocksuite/affine/all/src/extensions/common.ts
+++ /dev/null
@@ -1,126 +0,0 @@
-import { AttachmentBlockSpec } from '@blocksuite/affine-block-attachment';
-import { BookmarkBlockSpec } from '@blocksuite/affine-block-bookmark';
-import { CalloutBlockSpec } from '@blocksuite/affine-block-callout';
-import { CodeBlockSpec } from '@blocksuite/affine-block-code';
-import { DataViewBlockSpec } from '@blocksuite/affine-block-data-view';
-import { DatabaseBlockSpec } from '@blocksuite/affine-block-database';
-import { DividerBlockSpec } from '@blocksuite/affine-block-divider';
-import { EdgelessTextBlockSpec } from '@blocksuite/affine-block-edgeless-text';
-import { EmbedExtensions } from '@blocksuite/affine-block-embed';
-import { FrameBlockSpec } from '@blocksuite/affine-block-frame';
-import { ImageBlockSpec } from '@blocksuite/affine-block-image';
-import { LatexBlockSpec } from '@blocksuite/affine-block-latex';
-import { ListBlockSpec } from '@blocksuite/affine-block-list';
-import {
-  EdgelessNoteBlockSpec,
-  NoteBlockSpec,
-} from '@blocksuite/affine-block-note';
-import { ParagraphBlockSpec } from '@blocksuite/affine-block-paragraph';
-import {
-  EdgelessSurfaceBlockAdapterExtensions,
-  EdgelessSurfaceBlockSpec,
-  PageSurfaceBlockSpec,
-  SurfaceBlockAdapterExtensions,
-} from '@blocksuite/affine-block-surface';
-import {
-  EdgelessSurfaceRefBlockSpec,
-  PageSurfaceRefBlockSpec,
-} from '@blocksuite/affine-block-surface-ref';
-import { TableBlockSpec } from '@blocksuite/affine-block-table';
-import {
-  brushToMarkdownAdapterMatcher,
-  brushToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-brush';
-import {
-  connectorToMarkdownAdapterMatcher,
-  connectorToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-connector';
-import {
-  groupToMarkdownAdapterMatcher,
-  groupToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-group';
-import {
-  mindmapToMarkdownAdapterMatcher,
-  mindmapToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-mindmap';
-import {
-  shapeToMarkdownAdapterMatcher,
-  shapeToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-shape';
-import {
-  textToMarkdownAdapterMatcher,
-  textToPlainTextAdapterMatcher,
-} from '@blocksuite/affine-gfx-text';
-import { FootNoteInlineSpecExtension } from '@blocksuite/affine-inline-footnote';
-import { inlinePresetExtensions } from '@blocksuite/affine-inline-preset';
-import {
-  DefaultOpenDocExtension,
-  DocDisplayMetaService,
-  EditPropsStore,
-  FontLoaderService,
-} from '@blocksuite/affine-shared/services';
-import type { ExtensionType } from '@blocksuite/store';
-
-const elementToPlainTextAdapterMatchers = [
-  groupToPlainTextAdapterMatcher,
-  shapeToPlainTextAdapterMatcher,
-  connectorToPlainTextAdapterMatcher,
-  brushToPlainTextAdapterMatcher,
-  textToPlainTextAdapterMatcher,
-  mindmapToPlainTextAdapterMatcher,
-];
-
-const elementToMarkdownAdapterMatchers = [
-  groupToMarkdownAdapterMatcher,
-  shapeToMarkdownAdapterMatcher,
-  connectorToMarkdownAdapterMatcher,
-  brushToMarkdownAdapterMatcher,
-  textToMarkdownAdapterMatcher,
-  mindmapToMarkdownAdapterMatcher,
-];
-
-export const CommonBlockSpecs: ExtensionType[] = [
-  FootNoteInlineSpecExtension,
-  inlinePresetExtensions,
-  DocDisplayMetaService,
-  EditPropsStore,
-  LatexBlockSpec,
-  ListBlockSpec,
-  DatabaseBlockSpec,
-  TableBlockSpec,
-  DataViewBlockSpec,
-  DividerBlockSpec,
-  BookmarkBlockSpec,
-  EmbedExtensions,
-  AttachmentBlockSpec,
-  CodeBlockSpec,
-  ImageBlockSpec,
-  ParagraphBlockSpec,
-  DefaultOpenDocExtension,
-  FontLoaderService,
-  CalloutBlockSpec,
-  FrameBlockSpec,
-
-  elementToPlainTextAdapterMatchers,
-  elementToMarkdownAdapterMatchers,
-].flat();
-
-export const PageFirstPartyBlockSpecs: ExtensionType[] = [
-  CommonBlockSpecs,
-  NoteBlockSpec,
-  PageSurfaceBlockSpec,
-  PageSurfaceRefBlockSpec,
-
-  ...SurfaceBlockAdapterExtensions,
-].flat();
-
-export const EdgelessFirstPartyBlockSpecs: ExtensionType[] = [
-  CommonBlockSpecs,
-
-  EdgelessNoteBlockSpec,
-  EdgelessSurfaceBlockSpec,
-  EdgelessSurfaceRefBlockSpec,
-  EdgelessTextBlockSpec,
-
-  ...EdgelessSurfaceBlockAdapterExtensions,
-].flat();
diff --git a/blocksuite/affine/all/src/extensions/editor-specs.ts b/blocksuite/affine/all/src/extensions/editor-specs.ts
deleted file mode 100644
index 02727c26b2..0000000000
--- a/blocksuite/affine/all/src/extensions/editor-specs.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import {
-  EdgelessBuiltInSpecs,
-  PageRootBlockSpec,
-} from '@blocksuite/affine-block-root';
-import type { ExtensionType } from '@blocksuite/store';
-
-import {
-  EdgelessFirstPartyBlockSpecs,
-  PageFirstPartyBlockSpecs,
-} from './common';
-
-export const EdgelessEditorBlockSpecs: ExtensionType[] = [
-  EdgelessBuiltInSpecs,
-  EdgelessFirstPartyBlockSpecs,
-].flat();
-
-export const PageEditorBlockSpecs: ExtensionType[] = [
-  PageRootBlockSpec,
-  PageFirstPartyBlockSpecs,
-].flat();
diff --git a/blocksuite/affine/all/src/extensions/index.ts b/blocksuite/affine/all/src/extensions/index.ts
deleted file mode 100644
index 6a51891a73..0000000000
--- a/blocksuite/affine/all/src/extensions/index.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export * from './common';
-export * from './editor-specs';
-export * from './legacy-store';
-export * from './preview-specs';
diff --git a/blocksuite/affine/all/src/extensions/legacy-store.ts b/blocksuite/affine/all/src/extensions/legacy-store.ts
deleted file mode 100644
index 48085e9c11..0000000000
--- a/blocksuite/affine/all/src/extensions/legacy-store.ts
+++ /dev/null
@@ -1,112 +0,0 @@
-import { DataViewBlockSchemaExtension } from '@blocksuite/affine-block-data-view';
-import { DatabaseSelectionExtension } from '@blocksuite/affine-block-database';
-import { EmbedIframeConfigExtensions } from '@blocksuite/affine-block-embed';
-import { ImageStoreSpec } from '@blocksuite/affine-block-image';
-import { SurfaceBlockSchemaExtension } from '@blocksuite/affine-block-surface';
-import { TableSelectionExtension } from '@blocksuite/affine-block-table';
-import {
-  AttachmentBlockSchemaExtension,
-  BookmarkBlockSchemaExtension,
-  CalloutBlockSchemaExtension,
-  CodeBlockSchemaExtension,
-  DatabaseBlockSchemaExtension,
-  DividerBlockSchemaExtension,
-  EdgelessTextBlockSchemaExtension,
-  EmbedFigmaBlockSchemaExtension,
-  EmbedGithubBlockSchemaExtension,
-  EmbedHtmlBlockSchemaExtension,
-  EmbedIframeBlockSchemaExtension,
-  EmbedLinkedDocBlockSchemaExtension,
-  EmbedLoomBlockSchemaExtension,
-  EmbedSyncedDocBlockSchemaExtension,
-  EmbedYoutubeBlockSchemaExtension,
-  FrameBlockSchemaExtension,
-  ImageBlockSchemaExtension,
-  LatexBlockSchemaExtension,
-  ListBlockSchemaExtension,
-  NoteBlockSchemaExtension,
-  ParagraphBlockSchemaExtension,
-  RootBlockSchemaExtension,
-  SurfaceRefBlockSchemaExtension,
-  TableBlockSchemaExtension,
-  TranscriptionBlockSchemaExtension,
-} from '@blocksuite/affine-model';
-import {
-  HighlightSelectionExtension,
-  ImageSelectionExtension,
-} from '@blocksuite/affine-shared/selection';
-import {
-  BlockMetaService,
-  EmbedIframeService,
-  FeatureFlagService,
-  FileSizeLimitService,
-  LinkPreviewerService,
-} from '@blocksuite/affine-shared/services';
-import {
-  BlockSelectionExtension,
-  CursorSelectionExtension,
-  SurfaceSelectionExtension,
-  TextSelectionExtension,
-} from '@blocksuite/std';
-import type { ExtensionType } from '@blocksuite/store';
-
-import {
-  getAdapterFactoryExtensions,
-  getHtmlAdapterExtensions,
-  getMarkdownAdapterExtensions,
-  getNotionHtmlAdapterExtensions,
-  getPlainTextAdapterExtensions,
-} from '../adapters/extension.js';
-
-export const StoreExtensions: ExtensionType[] = [
-  CodeBlockSchemaExtension,
-  ParagraphBlockSchemaExtension,
-  RootBlockSchemaExtension,
-  ListBlockSchemaExtension,
-  NoteBlockSchemaExtension,
-  DividerBlockSchemaExtension,
-  ImageBlockSchemaExtension,
-  SurfaceBlockSchemaExtension,
-  BookmarkBlockSchemaExtension,
-  FrameBlockSchemaExtension,
-  DatabaseBlockSchemaExtension,
-  SurfaceRefBlockSchemaExtension,
-  DataViewBlockSchemaExtension,
-  AttachmentBlockSchemaExtension,
-  EmbedSyncedDocBlockSchemaExtension,
-  EmbedLinkedDocBlockSchemaExtension,
-  EmbedHtmlBlockSchemaExtension,
-  EmbedIframeBlockSchemaExtension,
-  EmbedGithubBlockSchemaExtension,
-  EmbedFigmaBlockSchemaExtension,
-  EmbedLoomBlockSchemaExtension,
-  EmbedYoutubeBlockSchemaExtension,
-  EdgelessTextBlockSchemaExtension,
-  LatexBlockSchemaExtension,
-  TableBlockSchemaExtension,
-  CalloutBlockSchemaExtension,
-  TranscriptionBlockSchemaExtension,
-
-  BlockSelectionExtension,
-  TextSelectionExtension,
-  SurfaceSelectionExtension,
-  CursorSelectionExtension,
-  HighlightSelectionExtension,
-  ImageSelectionExtension,
-  DatabaseSelectionExtension,
-  TableSelectionExtension,
-
-  getHtmlAdapterExtensions(),
-  getMarkdownAdapterExtensions(),
-  getNotionHtmlAdapterExtensions(),
-  getPlainTextAdapterExtensions(),
-  getAdapterFactoryExtensions(),
-
-  FeatureFlagService,
-  LinkPreviewerService,
-  FileSizeLimitService,
-  ImageStoreSpec,
-  BlockMetaService,
-  EmbedIframeConfigExtensions,
-  EmbedIframeService,
-].flat();
diff --git a/blocksuite/affine/all/src/extensions/preview-specs.ts b/blocksuite/affine/all/src/extensions/preview-specs.ts
deleted file mode 100644
index 5948748ab0..0000000000
--- a/blocksuite/affine/all/src/extensions/preview-specs.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import {
-  PreviewEdgelessRootBlockSpec,
-  PreviewPageRootBlockSpec,
-  ReadOnlyClipboard,
-} from '@blocksuite/affine-block-root';
-import type { ExtensionType } from '@blocksuite/store';
-
-import {
-  EdgelessFirstPartyBlockSpecs,
-  PageFirstPartyBlockSpecs,
-} from './common.js';
-
-export const PreviewEdgelessEditorBlockSpecs: ExtensionType[] = [
-  PreviewEdgelessRootBlockSpec,
-  EdgelessFirstPartyBlockSpecs,
-  ReadOnlyClipboard,
-].flat();
-
-export const PreviewPageEditorBlockSpecs: ExtensionType[] = [
-  PreviewPageRootBlockSpec,
-  PageFirstPartyBlockSpecs,
-  ReadOnlyClipboard,
-].flat();
diff --git a/packages/frontend/core/src/blocksuite/ai/components/text-renderer.ts b/packages/frontend/core/src/blocksuite/ai/components/text-renderer.ts
index f50c0d8cfa..f80e4f3340 100644
--- a/packages/frontend/core/src/blocksuite/ai/components/text-renderer.ts
+++ b/packages/frontend/core/src/blocksuite/ai/components/text-renderer.ts
@@ -4,7 +4,6 @@ import {
   defaultImageProxyMiddleware,
   ImageProxyService,
 } from '@blocksuite/affine/blocks/image';
-import { PageEditorBlockSpecs } from '@blocksuite/affine/extensions';
 import { Container, type ServiceProvider } from '@blocksuite/affine/global/di';
 import { WithDisposable } from '@blocksuite/affine/global/lit';
 import { codeBlockWrapMiddleware } from '@blocksuite/affine/shared/adapters';
@@ -37,14 +36,15 @@ import { keyed } from 'lit/directives/keyed.js';
 import { literal } from 'lit/static-html.js';
 import React from 'react';
 
+import { getViewManager } from '../../manager/migrating-view';
 import { markDownToDoc } from '../../utils';
 import type {
   AffineAIPanelState,
   AffineAIPanelWidgetConfig,
 } from '../widgets/ai-panel/type';
 
-export const CustomPageEditorBlockSpecs: ExtensionType[] = [
-  ...PageEditorBlockSpecs,
+export const getCustomPageEditorBlockSpecs: () => ExtensionType[] = () => [
+  ...getViewManager().get('page'),
   {
     setup: di => {
       di.override(
@@ -316,7 +316,8 @@ export class TextRenderer extends WithDisposable(ShadowlessElement) {
           html`<div class="ai-answer-text-editor affine-page-viewport">
             ${new BlockStdScope({
               store: this._doc,
-              extensions: this.options.extensions ?? CustomPageEditorBlockSpecs,
+              extensions:
+                this.options.extensions ?? getCustomPageEditorBlockSpecs(),
             }).render()}
           </div>`
         )}
diff --git a/packages/frontend/core/src/blocksuite/editors/edgeless-editor.ts b/packages/frontend/core/src/blocksuite/editors/edgeless-editor.ts
index 2113f29f71..7686c15123 100644
--- a/packages/frontend/core/src/blocksuite/editors/edgeless-editor.ts
+++ b/packages/frontend/core/src/blocksuite/editors/edgeless-editor.ts
@@ -1,8 +1,7 @@
-import { EdgelessEditorBlockSpecs } from '@blocksuite/affine/extensions';
 import { SignalWatcher, WithDisposable } from '@blocksuite/affine/global/lit';
 import { ThemeProvider } from '@blocksuite/affine/shared/services';
 import { BlockStdScope, ShadowlessElement } from '@blocksuite/affine/std';
-import type { Store } from '@blocksuite/affine/store';
+import type { ExtensionType, Store } from '@blocksuite/affine/store';
 import { css, html, nothing, type TemplateResult } from 'lit';
 import { property, state } from 'lit/decorators.js';
 import { guard } from 'lit/directives/guard.js';
@@ -95,7 +94,7 @@ export class EdgelessEditor extends SignalWatcher(
   accessor editor!: TemplateResult;
 
   @property({ attribute: false })
-  accessor specs = EdgelessEditorBlockSpecs;
+  accessor specs: ExtensionType[] = [];
 
   @state()
   accessor std!: BlockStdScope;
diff --git a/packages/frontend/core/src/blocksuite/editors/page-editor.ts b/packages/frontend/core/src/blocksuite/editors/page-editor.ts
index c8ae3052ce..03d1ccb740 100644
--- a/packages/frontend/core/src/blocksuite/editors/page-editor.ts
+++ b/packages/frontend/core/src/blocksuite/editors/page-editor.ts
@@ -1,4 +1,3 @@
-import { PageEditorBlockSpecs } from '@blocksuite/affine/extensions';
 import { SignalWatcher, WithDisposable } from '@blocksuite/affine/global/lit';
 import { noop } from '@blocksuite/affine/global/utils';
 import { ThemeProvider } from '@blocksuite/affine/shared/services';
@@ -7,7 +6,7 @@ import {
   EditorHost,
   ShadowlessElement,
 } from '@blocksuite/affine/std';
-import type { Store } from '@blocksuite/affine/store';
+import type { ExtensionType, Store } from '@blocksuite/affine/store';
 import { css, html, nothing } from 'lit';
 import { property, state } from 'lit/decorators.js';
 import { guard } from 'lit/directives/guard.js';
@@ -104,7 +103,7 @@ export class PageEditor extends SignalWatcher(
   accessor doc!: Store;
 
   @property({ attribute: false })
-  accessor specs = PageEditorBlockSpecs;
+  accessor specs: ExtensionType[] = [];
 
   @state()
   accessor std!: BlockStdScope;
diff --git a/packages/frontend/core/src/blocksuite/manager/migrating-view.ts b/packages/frontend/core/src/blocksuite/manager/migrating-view.ts
index 31606eafd4..06fa45e8a5 100644
--- a/packages/frontend/core/src/blocksuite/manager/migrating-view.ts
+++ b/packages/frontend/core/src/blocksuite/manager/migrating-view.ts
@@ -51,7 +51,7 @@ import { getThemeExtension } from '../extensions/theme';
 
 const optionsSchema = z.object({
   enableAI: z.boolean().optional(),
-  framework: z.instanceof(FrameworkProvider),
+  framework: z.instanceof(FrameworkProvider).optional(),
 });
 
 class MigratingAffineViewExtension extends ViewExtensionProvider<
@@ -173,8 +173,8 @@ const manager = new ViewExtensionManager([
 ]);
 
 export function getViewManager(
-  framework: FrameworkProvider,
-  enableAI: boolean
+  framework?: FrameworkProvider,
+  enableAI?: boolean
 ) {
   manager.configure(MigratingAffineViewExtension, {
     framework,
diff --git a/packages/frontend/core/src/components/page-list/__tests__/use-block-suite-page-preview.spec.ts b/packages/frontend/core/src/components/page-list/__tests__/use-block-suite-page-preview.spec.ts
index 6d095641db..2655136d30 100644
--- a/packages/frontend/core/src/components/page-list/__tests__/use-block-suite-page-preview.spec.ts
+++ b/packages/frontend/core/src/components/page-list/__tests__/use-block-suite-page-preview.spec.ts
@@ -3,7 +3,7 @@
  */
 import 'fake-indexeddb/auto';
 
-import { StoreExtensions } from '@blocksuite/affine/extensions';
+import { getStoreManager } from '@affine/core/blocksuite/manager/migrating-store';
 import { type Store, Text } from '@blocksuite/affine/store';
 import { TestWorkspace } from '@blocksuite/affine/store/test';
 import { renderHook } from '@testing-library/react';
@@ -13,7 +13,7 @@ import { beforeEach, describe, expect, test, vi } from 'vitest';
 import { useBlockSuitePagePreview } from '../use-block-suite-page-preview';
 let docCollection: TestWorkspace;
 
-const extensions = StoreExtensions;
+const extensions = getStoreManager().get('store');
 
 beforeEach(async () => {
   vi.useFakeTimers({ toFake: ['requestIdleCallback'] });
diff --git a/packages/frontend/core/src/modules/doc-info/utils.ts b/packages/frontend/core/src/modules/doc-info/utils.ts
index 64627ebb2f..d794f35dde 100644
--- a/packages/frontend/core/src/modules/doc-info/utils.ts
+++ b/packages/frontend/core/src/modules/doc-info/utils.ts
@@ -1,5 +1,5 @@
+import { getViewManager } from '@affine/core/blocksuite/manager/migrating-view';
 import { DebugLogger } from '@affine/debug';
-import { PageEditorBlockSpecs } from '@blocksuite/affine/extensions';
 import { BlockStdScope } from '@blocksuite/affine/std';
 import type { Store } from '@blocksuite/affine/store';
 import { useEffect, useMemo, useState } from 'react';
@@ -44,7 +44,7 @@ export function createBlockStdScope(doc: Store) {
   logger.debug('createBlockStdScope', doc.id);
   const std = new BlockStdScope({
     store: doc,
-    extensions: PageEditorBlockSpecs,
+    extensions: getViewManager().get('page'),
   });
   return std;
 }