diff --git a/frontend/src/core/iframe-messages.ts b/frontend/src/core/iframe-messages.ts
deleted file mode 100644
index 9a28b2f1..00000000
--- a/frontend/src/core/iframe-messages.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-/**
- * iframe 与宿主页通信消息类型常量
- *
- * 消息格式：{ type: MESSAGE_TYPE, ...其他字段 }
- * 发送方式：window.parent.postMessage(message, "*")
- */
-
-// 发送给宿主页的消息类型
-export const POST_MESSAGE_TYPES = {
-  // 全屏切换
-  FULLSCREEN: "fullscreen",
-  // 选择预定义 skill
-  SELECT_SKILL: "selectSkill",
-  // 打开 skill 选择对话框
-  OPEN_SKILL_DIALOG: "openSkillDialog",
-} as const;
-
-// 接收来自宿主页的消息类型
-export const RECEIVE_MESSAGE_TYPES = {
-  // 选中的 skill 数据
-  SELECTED_SKILL: "selectedSkill",
-} as const;
-
-// 消息类型
-export type PostMessageType =
-  (typeof POST_MESSAGE_TYPES)[keyof typeof POST_MESSAGE_TYPES];
-export type ReceiveMessageType =
-  (typeof RECEIVE_MESSAGE_TYPES)[keyof typeof RECEIVE_MESSAGE_TYPES];
-
-// 消息数据类型
-export interface FullscreenMessage {
-  type: typeof POST_MESSAGE_TYPES.FULLSCREEN;
-  fullscreen: boolean;
-}
-
-export interface SelectSkillMessage {
-  type: typeof POST_MESSAGE_TYPES.SELECT_SKILL;
-  skill_id: string;
-}
-
-export interface OpenSkillDialogMessage {
-  type: typeof POST_MESSAGE_TYPES.OPEN_SKILL_DIALOG;
-  openSkillDialog: true;
-}
-
-export interface SelectedSkillMessage {
-  type: typeof RECEIVE_MESSAGE_TYPES.SELECTED_SKILL;
-  id: string | number;
-  title: string;
-}
-
-// 发送消息的辅助函数
-export function sendToParent(
-  message: FullscreenMessage | SelectSkillMessage | OpenSkillDialogMessage,
-): void {
-  if (window.parent !== window) {
-    window.parent.postMessage(message, "*");
-  }
-}