diff --git a/flytekit/core/array_node.py b/flytekit/core/array_node.py
index 9e58d8b1d54..0cb2c8d25c8 100644
--- a/flytekit/core/array_node.py
+++ b/flytekit/core/array_node.py
@@ -218,8 +218,8 @@ def execution_mode(self) -> _core_workflow.ArrayNode.ExecutionMode:
         return self._execution_mode
 
     @property
-    def sub_node_interface_status(self) -> _core_workflow.ArrayNode.SubNodeInterfaceStatus:
-        return _core_workflow.ArrayNode.SUB_NODE_INTERFACE_ORIGINAL
+    def is_original_sub_node_interface(self) -> bool:
+        return True
 
     def __call__(self, *args, **kwargs):
         if not self._bindings:
diff --git a/flytekit/core/array_node_map_task.py b/flytekit/core/array_node_map_task.py
index 3074dc99ae9..1e2af4b3bed 100644
--- a/flytekit/core/array_node_map_task.py
+++ b/flytekit/core/array_node_map_task.py
@@ -167,8 +167,8 @@ def execution_mode(self) -> _core_workflow.ArrayNode.ExecutionMode:
         return self._execution_mode
 
     @property
-    def sub_node_interface_status(self) -> _core_workflow.ArrayNode.SubNodeInterfaceStatus:
-        return _core_workflow.ArrayNode.SUB_NODE_INTERFACE_LIST
+    def is_original_sub_node_interface(self) -> bool:
+        return False
 
     def get_extended_resources(self, settings: SerializationSettings) -> Optional[tasks_pb2.ExtendedResources]:
         return self.python_function_task.get_extended_resources(settings)
diff --git a/flytekit/models/core/workflow.py b/flytekit/models/core/workflow.py
index c61841ad247..cc1ca2694f6 100644
--- a/flytekit/models/core/workflow.py
+++ b/flytekit/models/core/workflow.py
@@ -388,7 +388,7 @@ def __init__(
         min_successes=None,
         min_success_ratio=None,
         execution_mode=None,
-        sub_node_interface_status=False,
+        is_original_sub_node_interface=False,
     ) -> None:
         """
         TODO: docstring
@@ -399,7 +399,7 @@ def __init__(
         self._min_successes = min_successes
         self._min_success_ratio = min_success_ratio
         self._execution_mode = execution_mode
-        self._sub_node_interface_status = sub_node_interface_status
+        self._is_original_sub_node_interface = is_original_sub_node_interface
 
     @property
     def node(self) -> "Node":
@@ -412,7 +412,7 @@ def to_flyte_idl(self) -> _core_workflow.ArrayNode:
             min_successes=self._min_successes,
             min_success_ratio=self._min_success_ratio,
             execution_mode=self._execution_mode,
-            sub_node_interface_status=self._sub_node_interface_status,
+            is_original_sub_node_interface=self._is_original_sub_node_interface,
         )
 
     @classmethod
diff --git a/flytekit/tools/translator.py b/flytekit/tools/translator.py
index cdcdfaca1b5..b1564048484 100644
--- a/flytekit/tools/translator.py
+++ b/flytekit/tools/translator.py
@@ -595,7 +595,7 @@ def get_serializable_array_node(
         min_successes=array_node.min_successes,
         min_success_ratio=array_node.min_success_ratio,
         execution_mode=array_node.execution_mode,
-        sub_node_interface_status=array_node.sub_node_interface_status,
+        is_original_sub_node_interface=array_node.is_original_sub_node_interface,
     )
 
 
@@ -630,7 +630,7 @@ def get_serializable_array_node_map_task(
         min_successes=entity.min_successes,
         min_success_ratio=entity.min_success_ratio,
         execution_mode=entity.execution_mode,
-        sub_node_interface_status=entity.sub_node_interface_status,
+        is_original_sub_node_interface=entity.is_original_sub_node_interface,
     )
 
 
diff --git a/tests/flytekit/unit/core/test_array_node.py b/tests/flytekit/unit/core/test_array_node.py
index 71d22789d0a..719e067b004 100644
--- a/tests/flytekit/unit/core/test_array_node.py
+++ b/tests/flytekit/unit/core/test_array_node.py
@@ -2,7 +2,6 @@
 from collections import OrderedDict
 
 import pytest
-from flyteidl.core import workflow_pb2 as _core_workflow
 
 from flytekit import LaunchPlan, task, workflow
 from flytekit.core.context_manager import FlyteContextManager
@@ -96,10 +95,6 @@ def test_lp_serialization(target, overrides_metadata, serialization_settings):
     assert len(wf_spec.template.nodes) == 1
 
     parent_node = wf_spec.template.nodes[0]
-    assert parent_node.array_node._min_success_ratio == 0.9
-    assert parent_node.array_node._parallelism == 10
-    assert parent_node.array_node._sub_node_interface_status == _core_workflow.ArrayNode.SUB_NODE_INTERFACE_ORIGINAL
-    assert parent_node.array_node._execution_mode == _core_workflow.ArrayNode.FULL_STATE
     assert parent_node.inputs[0].var == "a"
     assert len(parent_node.inputs[0].binding.collection.bindings) == 3
     for binding in parent_node.inputs[0].binding.collection.bindings:
diff --git a/tests/flytekit/unit/core/test_array_node_map_task.py b/tests/flytekit/unit/core/test_array_node_map_task.py
index 372b089e622..f025929a135 100644
--- a/tests/flytekit/unit/core/test_array_node_map_task.py
+++ b/tests/flytekit/unit/core/test_array_node_map_task.py
@@ -407,7 +407,7 @@ def wf1(x: typing.List[int]):
     assert array_node.metadata.interruptible
     assert array_node.array_node._min_success_ratio == 0.9
     assert array_node.array_node._parallelism == 10
-    assert array_node.array_node._sub_node_interface_status == _core_workflow.ArrayNode.SUB_NODE_INTERFACE_LIST
+    assert not array_node.array_node._is_original_sub_node_interface
     assert array_node.array_node._execution_mode == _core_workflow.ArrayNode.MINIMAL_STATE
     task_spec = od[arraynode_maptask]
     assert task_spec.template.metadata.retries.retries == 2