diff --git a/lang/zh_cn/help/quiz/timeopen.html b/lang/zh_cn/help/quiz/timeopen.html
deleted file mode 100644
index dea5bdc8a5b..00000000000
--- a/lang/zh_cn/help/quiz/timeopen.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<p align="center"><b>开启和关闭测验</b></p>
-
-<p>您可以指定何时允许学生参与测验。</p>
-
-<p>在开启时间之前和关闭时间之后，测验都是不能访问的。</p>
\ No newline at end of file