diff --git a/doc/source/upgrading.rst b/doc/source/upgrading.rst
index c19fc0c51..bbe6b1d96 100644
--- a/doc/source/upgrading.rst
+++ b/doc/source/upgrading.rst
@@ -6,13 +6,6 @@ Upgrading
 
 This section describes how to upgrade from one OpenStack release to another.
 
-Rocky Linux 9
-=============
-
-The Zed release introduced support for Rocky Linux 9 as a host operating
-system. Rocky Linux 9 support is also available in Yoga. CentOS Stream 8 users
-on Yoga should migrate to Rocky Linux 9 before upgrading to Zed.
-
 Preparation
 ===========