diff --git a/ironic/drivers/base.py b/ironic/drivers/base.py
index d22bb46235..ac790e3523 100644
--- a/ironic/drivers/base.py
+++ b/ironic/drivers/base.py
@@ -1575,7 +1575,7 @@ class NetworkInterface(BaseInterface):
         :returns: a dict holding network configuration information adhearing
             Nova network metadata layout (`network_data.json`).
         """
-        return {}
+        return task.node.network_data or {}
 
 
 class StorageInterface(BaseInterface, metaclass=abc.ABCMeta):
diff --git a/ironic/drivers/modules/image_utils.py b/ironic/drivers/modules/image_utils.py
index 105a57d152..40ae866fe0 100644
--- a/ironic/drivers/modules/image_utils.py
+++ b/ironic/drivers/modules/image_utils.py
@@ -459,6 +459,8 @@ def prepare_deploy_iso(task, params, mode, d_info):
 
     network_data = task.driver.network.get_node_network_data(task)
     if network_data:
+        LOG.debug('Injecting custom network data for node %s',
+                  task.node.uuid)
         with tempfile.NamedTemporaryFile(dir=CONF.tempdir,
                                          suffix='.iso') as metadata_fileobj:
 
diff --git a/ironic/drivers/modules/network/common.py b/ironic/drivers/modules/network/common.py
index da6cfff46d..3798c2bd49 100644
--- a/ironic/drivers/modules/network/common.py
+++ b/ironic/drivers/modules/network/common.py
@@ -402,30 +402,6 @@ class VIFPortIDMixin(object):
                 or p_obj.internal_info.get('inspection_vif_port_id')
                 or self._get_vif_id_by_port_like_obj(p_obj) or None)
 
-    def get_node_network_data(self, task):
-        """Get network configuration data for node's ports/portgroups.
-
-        Gather L2 and L3 network settings from ironic node `network_data`
-        field. Ironic would eventually pass network configuration to the node
-        being managed out-of-band.
-
-        :param task: A TaskManager instance.
-        :raises: InvalidParameterValue, if the network interface configuration
-            is invalid.
-        :raises: MissingParameterValue, if some parameters are missing.
-        :returns: a dict holding network configuration information adhearing
-            Nova network metadata layout (`network_data.json`).
-        """
-        node = task.node
-
-        network_data = node.network_data
-
-        # TODO(etingof): remove or truncate `network_data` logging
-        LOG.debug('Collected network data for node %(node)s: %(data)s',
-                  {'node': node.uuid, 'data': network_data})
-
-        return network_data
-
 
 class NeutronVIFPortIDMixin(VIFPortIDMixin):
     """VIF port ID mixin class for neutron network interfaces.
diff --git a/ironic/tests/unit/drivers/modules/network/test_common.py b/ironic/tests/unit/drivers/modules/network/test_common.py
index eefbd8a9da..9e8ac2b414 100644
--- a/ironic/tests/unit/drivers/modules/network/test_common.py
+++ b/ironic/tests/unit/drivers/modules/network/test_common.py
@@ -739,14 +739,6 @@ class TestVifPortIDMixin(db_base.DbTestCase):
             vif = self.interface.get_current_vif(task, self.port)
             self.assertIsNone(vif)
 
-    def test_get_node_network_data_complete(self):
-        self.node.network_data = self.network_data
-        self.node.save()
-        with task_manager.acquire(self.context, self.node.id) as task:
-            network_data = self.interface.get_node_network_data(task)
-
-        self.assertEqual(self.network_data, network_data)
-
 
 class TestNeutronVifPortIDMixin(db_base.DbTestCase):
 
diff --git a/releasenotes/notes/fix-network-data-e10f2bf9dc38ba1a.yaml b/releasenotes/notes/fix-network-data-e10f2bf9dc38ba1a.yaml
new file mode 100644
index 0000000000..40f91e7601
--- /dev/null
+++ b/releasenotes/notes/fix-network-data-e10f2bf9dc38ba1a.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Correctly handles the node's custom network data when the ``noop`` network
+    interface is used. Previously it was ignored.