diff --git a/inventory/group_vars/ceph_all.yml b/inventory/group_vars/ceph_all.yml
index 25f7febb42..1f585630c3 100644
--- a/inventory/group_vars/ceph_all.yml
+++ b/inventory/group_vars/ceph_all.yml
@@ -27,3 +27,7 @@ ceph_conf_overrides: "{{ (ceph_conf_overrides_rgw | default({})) | combine(ceph_
 # needed.
 nfs_file_gw: False
 nfs_obj_gw: False
+
+# NTP in an OSA environment is handled by ansible-hardening using chrony
+# ceph-ansible's default enabling of ntpd conflicts with the OSA defaults
+ntp_service_enabled: False
diff --git a/releasenotes/notes/ceph-ansible-ntp-8d5078e3e1340ef4.yaml b/releasenotes/notes/ceph-ansible-ntp-8d5078e3e1340ef4.yaml
new file mode 100644
index 0000000000..46e4719a26
--- /dev/null
+++ b/releasenotes/notes/ceph-ansible-ntp-8d5078e3e1340ef4.yaml
@@ -0,0 +1,11 @@
+---
+upgrade:
+  - |
+    Users should purge the 'ntp' package from their hosts if ceph-ansible is
+    enabled. ceph-ansible previously was configured to install ntp by default
+    which conflicts with the OSA ansible-hardening role chrony service.
+fixes:
+  - |
+    ceph-ansible is no longer configured to install ntp by default, which
+    creates a conflict with OSA's ansible-hardening role that is used to
+    implement ntp using 'chrony'.