diff --git a/heat/common/config.py b/heat/common/config.py
index b96da54aa2..1e1df6f634 100644
--- a/heat/common/config.py
+++ b/heat/common/config.py
@@ -284,8 +284,6 @@ engine_opts = [
                 help=_('Stacks containing these tag names will be hidden. '
                        'Multiple tags should be given in a comma-delimited '
                        'list (eg. hidden_stack_tags=hide_me,me_too).')),
-    cfg.StrOpt('onready',
-               help=_('Deprecated.')),
     cfg.BoolOpt('stack_scheduler_hints',
                 default=False,
                 help=_('When this feature is enabled, scheduler hints'
diff --git a/releasenotes/notes/remove-onready-cdb6f00c50e84587.yaml b/releasenotes/notes/remove-onready-cdb6f00c50e84587.yaml
new file mode 100644
index 0000000000..adbcdcfb85
--- /dev/null
+++ b/releasenotes/notes/remove-onready-cdb6f00c50e84587.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``[DEFAULT] onready`` option has been removed. This option has had
+    no effect.