diff --git a/lang/zh_cn/help/lesson/deleteattempts.html b/lang/zh_cn/help/lesson/deleteattempts.html
deleted file mode 100644
index d47e2fc51d2..00000000000
--- a/lang/zh_cn/help/lesson/deleteattempts.html
+++ /dev/null
@@ -1,3 +0,0 @@
-<p align="center"><b>删除学生学习此课全部记录(用户ID)</b></p>
-
-<p>在此输入用户名并点击“保存更改”以删除该用户学习此课的全部记录。</p>
\ No newline at end of file