diff --git a/catscii.txt b/catscii.txt
index 3907fca56..6e2fb15a5 100644
--- a/catscii.txt
+++ b/catscii.txt
@@ -12,14 +12,3 @@
                `.                           .'
           jgs    `-._                   _.-'
                      `"'--...___...--'"`
-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