diff --git a/neutron/cmd/upgrade_checks/checks.py b/neutron/cmd/upgrade_checks/checks.py
index d79fe97d2ce..e0aa45362de 100644
--- a/neutron/cmd/upgrade_checks/checks.py
+++ b/neutron/cmd/upgrade_checks/checks.py
@@ -523,7 +523,7 @@ class CoreChecks(base.BaseChecks):
                 upgradecheck.Code.SUCCESS,
                 _("Native OVN DHCP is disabed for baremetal ports."))
         try:
-            ovn_client = get_ovn_client()
+            get_ovn_client()
         except RuntimeError:
             return upgradecheck.Result(
                 upgradecheck.Code.WARNING,
@@ -533,22 +533,9 @@ class CoreChecks(base.BaseChecks):
                 upgradecheck.Code.WARNING,
                 _("Failed to connect to OVN. Error: %s") % err)
 
-        if ovn_client.is_ipxe_over_ipv6_supported:
-            return upgradecheck.Result(
-                upgradecheck.Code.SUCCESS,
-                _('Version of OVN supports iPXE over IPv6.'))
         return upgradecheck.Result(
-            upgradecheck.Code.WARNING,
-            _('Version of OVN does not support iPXE over IPv6 but '
-              '``disable_ovn_dhcp_for_baremetal_ports`` is set to '
-              '``False``. In case if provisioning of baremetal nodes '
-              'is required, please make sure that either '
-              '``disable_ovn_dhcp_for_baremetal_ports`` option is set to '
-              '``True`` and Neutron DHCP agent is available or use '
-              'OVN with patch https://github.com/ovn-org/ovn/commit/'
-              'c5fd51bd154147a567097eaf61fbebc0b5b39e28 which added '
-              'support for iPXE over IPv6. It is available in '
-              'OVN >= 23.06.0.'))
+            upgradecheck.Code.SUCCESS,
+            _('Version of OVN supports iPXE over IPv6.'))
 
     @staticmethod
     def ml2_ovs_igmp_flood_check(checker):
diff --git a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
index 56a983726ff..f6e59a79ed4 100644
--- a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
+++ b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
@@ -352,19 +352,6 @@ class OVNClient:
                 (6, 3, 0))
         return self._is_mcast_flood_broken
 
-    # TODO(slaweq): Remove this method when min supported OVN version will be
-    # >= v23.06.0 which is the one which have support for IPv6 iPXE booting
-    # added:
-    # https://github.com/ovn-org/ovn/commit/c5fd51bd154147a567097eaf61fbebc0b5b39e28
-    @property
-    def is_ipxe_over_ipv6_supported(self):
-        if self._is_ipxe_over_ipv6_supported is None:
-            schema_version = self._nb_idl.get_schema_version()
-            self._is_ipxe_over_ipv6_supported = (
-                versionutils.convert_version_to_tuple(schema_version) >=
-                (7, 0, 4))
-        return self._is_ipxe_over_ipv6_supported
-
     def _get_port_options(self, context, port):
         admin_context = context.elevated()
         bp_info = utils.validate_and_get_data_from_binding_profile(port)
diff --git a/neutron/tests/unit/cmd/upgrade_checks/test_checks.py b/neutron/tests/unit/cmd/upgrade_checks/test_checks.py
index 6f39d3d0bc6..7fc31d79923 100644
--- a/neutron/tests/unit/cmd/upgrade_checks/test_checks.py
+++ b/neutron/tests/unit/cmd/upgrade_checks/test_checks.py
@@ -242,20 +242,6 @@ class TestChecks(base.BaseTestCase):
         self.assertEqual(Code.SUCCESS, result.code)
         mock_get_ovn_client.assert_called_once_with()
 
-    @mock.patch.object(checks, 'get_ovn_client')
-    def test_ovn_for_bm_provisioning_over_ipv6_check_warning(
-            self, mock_get_ovn_client):
-
-        ovn_client_mock = mock.Mock(is_ipxe_over_ipv6_supported=False)
-        mock_get_ovn_client.return_value = ovn_client_mock
-        cfg.CONF.set_override(
-            'disable_ovn_dhcp_for_baremetal_ports', False, group='ovn')
-
-        result = checks.CoreChecks.ovn_for_bm_provisioning_over_ipv6_check(
-            mock.ANY)
-        self.assertEqual(Code.WARNING, result.code)
-        mock_get_ovn_client.assert_called_once_with()
-
     @mock.patch.object(checks, 'get_ovn_client')
     def test_ovn_for_bm_provisioning_over_ipv6_check_failed_to_get_ovn_client(
             self, mock_get_ovn_client):
diff --git a/releasenotes/notes/ipxe_ipv6_supported_ovn-e3fb7d194b6a1445.yaml b/releasenotes/notes/ipxe_ipv6_supported_ovn-e3fb7d194b6a1445.yaml
new file mode 100644
index 00000000000..9ed6d0a8789
--- /dev/null
+++ b/releasenotes/notes/ipxe_ipv6_supported_ovn-e3fb7d194b6a1445.yaml
@@ -0,0 +1,5 @@
+---
+other:
+  - |
+    It is assumed now that OVN supports iPXE over IPv6. This functionality was
+    added in OVN v23.06.0.