diff --git a/releasenotes/notes/deprecate-tripleo-ui-12328976b429426f.yaml b/releasenotes/notes/deprecate-tripleo-ui-12328976b429426f.yaml
new file mode 100644
index 000000000..3541ee380
--- /dev/null
+++ b/releasenotes/notes/deprecate-tripleo-ui-12328976b429426f.yaml
@@ -0,0 +1,4 @@
+---
+deprecations:
+  - |
+    enable_ui is deprecated for removal in Train.
diff --git a/tripleoclient/config/standalone.py b/tripleoclient/config/standalone.py
index 3ddeed92c..dd430328a 100644
--- a/tripleoclient/config/standalone.py
+++ b/tripleoclient/config/standalone.py
@@ -91,6 +91,7 @@ class StandaloneConfig(BaseConfig):
                         ),
             cfg.BoolOpt('enable_ui',
                         default=tripleo_ui,
+                        deprecated_for_removal=True,
                         help=_('Whether to install the TripleO UI.')
                         ),
             cfg.BoolOpt('enable_validations',