diff --git a/9/ansible.in b/9/ansible.in
index 8ca031cf87..806f2b1836 100644
--- a/9/ansible.in
+++ b/9/ansible.in
@@ -17,7 +17,6 @@ cisco.iosxr
 cisco.ise
 cisco.meraki
 cisco.mso
-cisco.nso
 cisco.nxos
 cisco.ucs
 cloud.common
diff --git a/9/changelog.yaml b/9/changelog.yaml
index 104736a6c7..53b4c76e9c 100644
--- a/9/changelog.yaml
+++ b/9/changelog.yaml
@@ -1,2 +1,8 @@
 ancestor: 8.0.0b1
-releases: {}
+releases:
+  9.0.0a1:
+    changes:
+      removed_features:
+        - "``cisco.nso`` was considered unmaintained and removed from Ansible 9 as per the
+          `removal from Ansible process <https://github.com/ansible-collections/overview/blob/main/removal_from_ansible.rst#unmaintained-collections>`_.
+          Users can still install this collection with ``ansible-galaxy collection install mellanox.onyx``."
diff --git a/9/collection-meta.yaml b/9/collection-meta.yaml
index 9b172cd104..2704400b6a 100644
--- a/9/collection-meta.yaml
+++ b/9/collection-meta.yaml
@@ -174,8 +174,6 @@ collections:
     repository: https://github.com/CiscoDevNet/ansible-meraki
   cisco.mso:
     repository: https://github.com/CiscoDevNet/ansible-mso
-  cisco.nso:
-    repository: https://github.com/CiscoDevNet/ansible-nso
   cisco.nxos:
     repository: https://github.com/ansible-collections/cisco.nxos
   cisco.ucs: