diff --git a/ansible/group_vars/all/kolla b/ansible/group_vars/all/kolla
index 82f3d899ef8f91ee280e997173a7e8691b27e4b3..3ccad65ce38b3105978fc8499dcd4e20d5d793d7 100644
--- a/ansible/group_vars/all/kolla
+++ b/ansible/group_vars/all/kolla
@@ -629,9 +629,7 @@ kolla_external_fqdn: "{{ public_net_name | net_fqdn or kolla_external_vip_addres
 # certificate bundle for the external API.
 #
 # Note that this should be formatted as a literal style block scalar.
-# TODO(mgoddard): Remove the deprecated support for kolla_tls_cert in the
-# Ussuri cycle.
-kolla_external_tls_cert: "{{ kolla_tls_cert | default }}"
+kolla_external_tls_cert:
 
 # Path to a CA certificate file to use for the OS_CACERT environment variable
 # in public-openrc.sh file when TLS is enabled, instead of Kolla-Ansible's
diff --git a/etc/kayobe/kolla.yml b/etc/kayobe/kolla.yml
index 9e37380bd13e244277f8841047437da5d610a513..45cabe12d160474673293ddb2e9dce064737141a 100644
--- a/etc/kayobe/kolla.yml
+++ b/etc/kayobe/kolla.yml
@@ -456,9 +456,6 @@
 # certificate bundle for the external API.
 #
 # Note that this should be formatted as a literal style block scalar.
-#
-# NOTE: kolla_tls_cert has been renamed to kolla_external_tls_cert. Support for
-# the deprecated name kolla_tls_cert will be removed in a future release.
 #kolla_external_tls_cert:
 
 # Path to a CA certificate file to use for the OS_CACERT environment variable
diff --git a/releasenotes/notes/remove-kolla-tls-cert-b2852583b9a1e214.yaml b/releasenotes/notes/remove-kolla-tls-cert-b2852583b9a1e214.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..d4c8ebd4370452f317b3b41353c6db9babf996bc
--- /dev/null
+++ b/releasenotes/notes/remove-kolla-tls-cert-b2852583b9a1e214.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The variable ``kolla_tls_cert`` which was deprecated in the Train release
+    has been removed. Use ``kolla_external_tls_cert`` instead.