diff --git a/README.rst b/README.rst
index f074aa4aa..8cae3b59c 100644
--- a/README.rst
+++ b/README.rst
@@ -9,15 +9,3 @@ in Infrastructure User Manual.
 
 Developer's Guide:
 https://docs.openstack.org/infra/manual/developers.html
-
-sandbox
-=======
-
-This is a sandbox so that lovely developers can test the tools
-and processes used for OpenStack development.
-For detail, see the chapter "`Learn the Gerrit Workflow in the
-Sandbox <https://docs.openstack.org/infra/manual/sandbox.html>`_"
-in Infrastructure User Manual.
-
-Developer's Guide:
-https://docs.openstack.org/infra/manual/developers.html
\ No newline at end of file