diff --git a/blocksuite/affine/blocks/block-code/src/clipboard/index.ts b/blocksuite/affine/blocks/block-code/src/clipboard/index.ts
deleted file mode 100644
index 0259f9a850..0000000000
--- a/blocksuite/affine/blocks/block-code/src/clipboard/index.ts
+++ /dev/null
@@ -1,106 +0,0 @@
-import { deleteTextCommand } from '@blocksuite/affine-inline-preset';
-import {
-  HtmlAdapter,
-  pasteMiddleware,
-  PlainTextAdapter,
-} from '@blocksuite/affine-shared/adapters';
-import {
-  getBlockIndexCommand,
-  getBlockSelectionsCommand,
-  getTextSelectionCommand,
-} from '@blocksuite/affine-shared/commands';
-import {
-  type BlockComponent,
-  Clipboard,
-  type UIEventHandler,
-} from '@blocksuite/block-std';
-import { DisposableGroup } from '@blocksuite/global/disposable';
-
-export class CodeClipboardController {
-  private _clipboard!: Clipboard;
-
-  protected _disposables = new DisposableGroup();
-
-  protected _init = () => {
-    this._clipboard.registerAdapter('text/plain', PlainTextAdapter, 90);
-    this._clipboard.registerAdapter('text/html', HtmlAdapter, 80);
-    const paste = pasteMiddleware(this._std);
-    this._clipboard.use(paste);
-
-    this._disposables.add({
-      dispose: () => {
-        this._clipboard.unregisterAdapter('text/plain');
-        this._clipboard.unregisterAdapter('text/html');
-        this._clipboard.unuse(paste);
-      },
-    });
-  };
-
-  host: BlockComponent;
-
-  onPagePaste: UIEventHandler = ctx => {
-    const e = ctx.get('clipboardState').raw;
-    e.preventDefault();
-
-    this._std.store.captureSync();
-    this._std.command
-      .chain()
-      .try(cmd => [
-        cmd.pipe(getTextSelectionCommand).pipe((ctx, next) => {
-          const textSelection = ctx.currentTextSelection;
-          if (!textSelection) return;
-          const end = textSelection.to ?? textSelection.from;
-          next({ currentSelectionPath: end.blockId });
-        }),
-        cmd.pipe(getBlockSelectionsCommand).pipe((ctx, next) => {
-          const currentBlockSelections = ctx.currentBlockSelections;
-          if (!currentBlockSelections) return;
-          const blockSelection = currentBlockSelections.at(-1);
-          if (!blockSelection) return;
-          next({ currentSelectionPath: blockSelection.blockId });
-        }),
-      ])
-      .pipe(getBlockIndexCommand)
-      .try(cmd => [cmd.pipe(getTextSelectionCommand).pipe(deleteTextCommand)])
-      .pipe((ctx, next) => {
-        if (!ctx.parentBlock) {
-          return;
-        }
-        this._clipboard
-          .paste(
-            e,
-            this._std.store,
-            ctx.parentBlock.model.id,
-            ctx.blockIndex ? ctx.blockIndex + 1 : 1
-          )
-          .catch(console.error);
-
-        return next();
-      })
-      .run();
-    return true;
-  };
-
-  private get _std() {
-    return this.host.std;
-  }
-
-  constructor(host: BlockComponent) {
-    this.host = host;
-  }
-
-  hostConnected() {
-    if (this._disposables.disposed) {
-      this._disposables = new DisposableGroup();
-    }
-    if (navigator.clipboard) {
-      this._clipboard = new Clipboard(this._std);
-      this.host.handleEvent('paste', this.onPagePaste);
-      this._init();
-    }
-  }
-
-  hostDisconnected() {
-    this._disposables.dispose();
-  }
-}
diff --git a/blocksuite/affine/blocks/block-code/src/code-block.ts b/blocksuite/affine/blocks/block-code/src/code-block.ts
index ad4370b32a..fc6d4d1646 100644
--- a/blocksuite/affine/blocks/block-code/src/code-block.ts
+++ b/blocksuite/affine/blocks/block-code/src/code-block.ts
@@ -25,7 +25,6 @@ import { query } from 'lit/decorators.js';
 import { classMap } from 'lit/directives/class-map.js';
 import { bundledLanguagesInfo, type ThemedToken } from 'shiki';
 
-import { CodeClipboardController } from './clipboard/index.js';
 import { CodeBlockConfigExtension } from './code-block-config.js';
 import { CodeBlockInlineManagerExtension } from './code-block-inline.js';
 import { CodeBlockHighlighter } from './code-block-service.js';
@@ -36,8 +35,6 @@ export class CodeBlockComponent extends CaptionedBlockComponent<CodeBlockModel>
 
   private _inlineRangeProvider: InlineRangeProvider | null = null;
 
-  clipboardController = new CodeClipboardController(this);
-
   highlightTokens$: Signal<ThemedToken[][]> = signal([]);
 
   languageName$: Signal<string> = computed(() => {
@@ -144,8 +141,6 @@ export class CodeBlockComponent extends CaptionedBlockComponent<CodeBlockModel>
     super.connectedCallback();
 
     // set highlight options getter used by "exportToHtml"
-    this.clipboardController.hostConnected();
-
     this.disposables.add(
       effect(() => {
         this._updateHighlightTokens();
@@ -373,11 +368,6 @@ export class CodeBlockComponent extends CaptionedBlockComponent<CodeBlockModel>
       });
   }
 
-  override disconnectedCallback() {
-    super.disconnectedCallback();
-    this.clipboardController.hostDisconnected();
-  }
-
   override async getUpdateComplete() {
     const result = await super.getUpdateComplete();
     await this._richTextElement?.updateComplete;