diff --git a/backend/src/main/java/com/example/training/domain/User.java b/backend/src/main/java/com/example/training/domain/User.java
deleted file mode 100644
index 5fcde29..0000000
--- a/backend/src/main/java/com/example/training/domain/User.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.example.training.domain;
-
-/**
- * 兼容旧包路径的过渡类型，业务代码统一使用 domain.entity.User。
- */
-@Deprecated
-public class User extends com.example.training.domain.entity.User {
-
-    public User() {
-        super();
-    }
-
-    public User(String fullName, String email, String role, String status) {
-        super(fullName, email, role, status);
-    }
-}