diff --git a/cou/apps/base.py b/cou/apps/base.py
index 88796703..65d4143c 100644
--- a/cou/apps/base.py
+++ b/cou/apps/base.py
@@ -624,14 +624,12 @@ def _get_disable_action_managed_plan(self, parallel: bool = False) -> UpgradeSte
             )
         return UpgradeStep()
 
-    def _get_enable_action_managed_plan(self, parallel: bool = False) -> UpgradeStep:
-        """Get plan to enable action-managed-upgrade.
+    def _get_enable_action_managed_step(self) -> UpgradeStep:
+        """Get step to enable action-managed-upgrade.
 
         This is used to upgrade as "paused-single-unit" strategy.
 
-        :param parallel: Parallel running, defaults to False
-        :type parallel: bool, optional
-        :return: Plan to enable action-managed-upgrade
+        :return: Step to enable action-managed-upgrade
         :rtype: UpgradeStep
         """
         if self.config.get("action-managed-upgrade", {}).get("value", False):
@@ -640,7 +638,6 @@ def _get_enable_action_managed_plan(self, parallel: bool = False) -> UpgradeStep
             description=(
                 f"Change charm config of '{self.name}' 'action-managed-upgrade' to True."
             ),
-            parallel=parallel,
             coro=self.model.set_application_config(self.name, {"action-managed-upgrade": True}),
         )
 
diff --git a/tests/unit/apps/test_base.py b/tests/unit/apps/test_base.py
index e68bcc8f..736d3889 100644
--- a/tests/unit/apps/test_base.py
+++ b/tests/unit/apps/test_base.py
@@ -49,7 +49,7 @@ def test_application_get_latest_os_version_failed(
     "charm_config",
     [{"action-managed-upgrade": {"value": False}}, {"action-managed-upgrade": {"value": True}}],
 )
-def test_get_enable_action_managed_plan(charm_config, model):
+def test_get_enable_action_managed_step(charm_config, model):
     charm = "app"
     app_name = "my_app"
     status = MagicMock(spec_set=ApplicationStatus())
@@ -65,7 +65,7 @@ def test_get_enable_action_managed_plan(charm_config, model):
 
     app = OpenStackApplication(app_name, status, charm_config, model, charm, {})
 
-    assert app._get_enable_action_managed_plan() == expected_upgrade_step
+    assert app._get_enable_action_managed_step() == expected_upgrade_step
 
 
 def test_get_pause_unit_step(model):
@@ -85,7 +85,7 @@ def test_get_pause_unit_step(model):
     assert app._get_pause_unit_step(unit) == expected_upgrade_step
 
 
-def test__get_resume_unit_step(model):
+def test_get_resume_unit_step(model):
     charm = "app"
     app_name = "my_app"
     status = MagicMock(spec_set=ApplicationStatus())