diff --git a/releasenotes/notes/noop-fencing-action-parameter-6ca390e9ebf43796.yaml b/releasenotes/notes/noop-fencing-action-parameter-6ca390e9ebf43796.yaml
new file mode 100644
index 000000000..740e1ef4f
--- /dev/null
+++ b/releasenotes/notes/noop-fencing-action-parameter-6ca390e9ebf43796.yaml
@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    The ```action``` parameter for overcloud fencing generation is now ignored.
+    This is because recent versions of the underlying fencing agents now
+    produce an error if the action parameter is used. Previously the use of the
+    parameter was discouraged.
diff --git a/tripleoclient/tests/v1/test_overcloud_parameters.py b/tripleoclient/tests/v1/test_overcloud_parameters.py
index fc459107a..b02fe6f1e 100644
--- a/tripleoclient/tests/v1/test_overcloud_parameters.py
+++ b/tripleoclient/tests/v1/test_overcloud_parameters.py
@@ -145,7 +145,6 @@ class TestGenerateFencingParameters(utils.TestCommand):
         self.workflow.action_executions.create.assert_called_once_with(
             'tripleo.parameters.generate_fencing',
             {
-                'fence_action': None,
                 'nodes_json': [
                     {
                         u'mac': [u'00:11:22:33:44:55'],
diff --git a/tripleoclient/v1/overcloud_parameters.py b/tripleoclient/v1/overcloud_parameters.py
index ee99563bb..ea95a1d5d 100644
--- a/tripleoclient/v1/overcloud_parameters.py
+++ b/tripleoclient/v1/overcloud_parameters.py
@@ -75,10 +75,7 @@ class GenerateFencingParameters(command.Command):
     def get_parser(self, prog_name):
         parser = super(GenerateFencingParameters, self).get_parser(prog_name)
         parser.add_argument('-a', '--action', dest='fence_action',
-                            help=_('Operation to perform. Valid operations: '
-                                   'on, off, reboot, status, list, diag, '
-                                   'monitor or metadata. You should generally '
-                                   'not use this option.'))
+                            help=_('DEPRECATED: This option is ignored.'))
         parser.add_argument('--delay', type=int,
                             help=_('Wait DELAY seconds before fencing is '
                                    'started'))
@@ -124,7 +121,6 @@ class GenerateFencingParameters(command.Command):
         workflow_input = {
             'nodes_json': nodes_config,
             'os_auth': os_auth,
-            'fence_action': parsed_args.fence_action,
             'delay': parsed_args.delay,
             'ipmi_level': parsed_args.ipmi_level,
             'ipmi_cipher': parsed_args.ipmi_cipher,