diff --git a/docs/_sidebar.md b/docs/_sidebar.md
index db1b82c5..b136ce7a 100644
--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -1,5 +1,2 @@
 - Getting started
 
-  - [README](https://github.com/CyC2018/CS-Notes/blob/master/docs/README.md)
-  - [Docker](notes/Docker.md)
-  - [guide](guide.md)