diff --git a/packages/frontend/core/src/blocksuite/extensions/footnote-config.ts b/packages/frontend/core/src/blocksuite/extensions/footnote-config.ts
deleted file mode 100644
index e358b08f1..000000000
--- a/packages/frontend/core/src/blocksuite/extensions/footnote-config.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { FootNoteNodeConfigExtension } from '@blocksuite/affine/inlines/footnote';
-import type { SpecBuilder } from '@blocksuite/affine/shared/utils';
-
-// Disable hover effect for footnote node
-const disableHoverEffectConfig = {
-  disableHoverEffect: true,
-};
-
-export function enableFootnoteConfigExtension(
-  specBuilder: SpecBuilder,
-  config = disableHoverEffectConfig
-) {
-  const footNoteConfig = FootNoteNodeConfigExtension(config);
-  return specBuilder.extend([footNoteConfig]);
-}
diff --git a/packages/frontend/core/src/blocksuite/extensions/index.ts b/packages/frontend/core/src/blocksuite/extensions/index.ts
index 5882bf3a3..bbc9b34f6 100644
--- a/packages/frontend/core/src/blocksuite/extensions/index.ts
+++ b/packages/frontend/core/src/blocksuite/extensions/index.ts
@@ -1,3 +1,2 @@
 export * from './entry/enable-affine';
 export * from './entry/enable-mobile';
-export * from './footnote-config';
diff --git a/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/chat.tsx b/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/chat.tsx
index dca07dd7b..77e1127aa 100644
--- a/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/chat.tsx
+++ b/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/chat.tsx
@@ -1,6 +1,5 @@
 import { ChatPanel } from '@affine/core/blocksuite/ai';
 import type { AffineEditorContainer } from '@affine/core/blocksuite/block-suite-editor';
-import { enableFootnoteConfigExtension } from '@affine/core/blocksuite/extensions';
 import { useAIChatConfig } from '@affine/core/components/hooks/affine/use-ai-chat-config';
 import { WorkbenchService } from '@affine/core/modules/workbench';
 import { RefNodeSlotsProvider } from '@blocksuite/affine/inlines/reference';
@@ -70,9 +69,8 @@ export const EditorChatPanel = forwardRef(function EditorChatPanel(
       chatPanelRef.current.docDisplayConfig = docDisplayConfig;
       chatPanelRef.current.searchMenuConfig = searchMenuConfig;
       chatPanelRef.current.networkSearchConfig = networkSearchConfig;
-      chatPanelRef.current.previewSpecBuilder = enableFootnoteConfigExtension(
-        SpecProvider._.getSpec('preview:page')
-      );
+      chatPanelRef.current.previewSpecBuilder =
+        SpecProvider._.getSpec('preview:page');
 
       containerRef.current?.append(chatPanelRef.current);
     } else {
diff --git a/packages/frontend/core/src/modules/peek-view/view/ai-chat-block-peek-view/index.tsx b/packages/frontend/core/src/modules/peek-view/view/ai-chat-block-peek-view/index.tsx
index d88c445a4..77e6e9de1 100644
--- a/packages/frontend/core/src/modules/peek-view/view/ai-chat-block-peek-view/index.tsx
+++ b/packages/frontend/core/src/modules/peek-view/view/ai-chat-block-peek-view/index.tsx
@@ -1,7 +1,6 @@
 import { toReactNode } from '@affine/component';
 import { AIChatBlockPeekViewTemplate } from '@affine/core/blocksuite/ai';
 import type { AIChatBlockModel } from '@affine/core/blocksuite/ai/blocks/ai-chat-block/model/ai-chat-model';
-import { enableFootnoteConfigExtension } from '@affine/core/blocksuite/extensions';
 import { useAIChatConfig } from '@affine/core/components/hooks/affine/use-ai-chat-config';
 import { SpecProvider } from '@blocksuite/affine/shared/utils';
 import type { EditorHost } from '@blocksuite/affine/std';
@@ -19,9 +18,7 @@ export const AIChatBlockPeekView = ({
   const { docDisplayConfig, searchMenuConfig, networkSearchConfig } =
     useAIChatConfig();
   return useMemo(() => {
-    const previewSpecBuilder = enableFootnoteConfigExtension(
-      SpecProvider._.getSpec('preview:page')
-    );
+    const previewSpecBuilder = SpecProvider._.getSpec('preview:page');
     const template = AIChatBlockPeekViewTemplate(
       model,
       host,