diff --git a/nova/conf/conductor.py b/nova/conf/conductor.py
index 70a3b8335d..b32ec38ec8 100644
--- a/nova/conf/conductor.py
+++ b/nova/conf/conductor.py
@@ -27,7 +27,7 @@ use_local = cfg.BoolOpt(
          'the transition to the conductor service. It no longer '
          'represents a reasonable alternative for deployers. '
          'Removal may be as early as 14.0',
-    deprecated_for_removal='True')
+    deprecated_for_removal=True)
 
 topic = cfg.StrOpt(
     'topic',
@@ -37,7 +37,9 @@ topic = cfg.StrOpt(
 manager = cfg.StrOpt(
     'manager',
     default='nova.conductor.manager.ConductorManager',
-    help='Full class name for the Manager for conductor')
+    help=('DEPRECATED: Full class name for the Manager for conductor. '
+          'Removal in 14.0'),
+    deprecated_for_removal=True)
 
 workers = cfg.IntOpt(
     'workers',
diff --git a/releasenotes/notes/deprecate-conductor-manager-class-03620676d939b0eb.yaml b/releasenotes/notes/deprecate-conductor-manager-class-03620676d939b0eb.yaml
new file mode 100644
index 0000000000..5e0c34a865
--- /dev/null
+++ b/releasenotes/notes/deprecate-conductor-manager-class-03620676d939b0eb.yaml
@@ -0,0 +1,4 @@
+---
+deprecations:
+  - The conductor.manager configuration option is now deprecated and
+    will be removed.