diff --git a/api/src/opentrons/protocol_runner/legacy_command_mapper.py b/api/src/opentrons/protocol_runner/legacy_command_mapper.py
index d87f098c42a..ababa892616 100644
--- a/api/src/opentrons/protocol_runner/legacy_command_mapper.py
+++ b/api/src/opentrons/protocol_runner/legacy_command_mapper.py
@@ -17,10 +17,10 @@
 from opentrons.protocol_api import InstrumentContext
 from opentrons.protocol_api.core.legacy.deck import FIXED_TRASH_ID
 from opentrons.protocol_api.core.legacy.load_info import (
-    LoadInfo,
-    LabwareLoadInfo,
-    InstrumentLoadInfo,
-    ModuleLoadInfo,
+    LoadInfo as LegacyLoadInfo,
+    LabwareLoadInfo as LegacyLabwareLoadInfo,
+    InstrumentLoadInfo as LegacyInstrumentLoadInfo,
+    ModuleLoadInfo as LegacyModuleLoadInfo,
 )
 from opentrons.protocol_engine import (
     ProtocolEngineError,
@@ -283,13 +283,13 @@ def map_command(  # noqa: C901
 
         return results
 
-    def map_equipment_load(self, load_info: LoadInfo) -> List[pe_actions.Action]:
+    def map_equipment_load(self, load_info: LegacyLoadInfo) -> List[pe_actions.Action]:
         """Map a labware, instrument (pipette), or module load to a PE command."""
-        if isinstance(load_info, LabwareLoadInfo):
+        if isinstance(load_info, LegacyLabwareLoadInfo):
             return self._map_labware_load(load_info)
-        elif isinstance(load_info, InstrumentLoadInfo):
+        elif isinstance(load_info, LegacyInstrumentLoadInfo):
             return self._map_instrument_load(load_info)
-        elif isinstance(load_info, ModuleLoadInfo):
+        elif isinstance(load_info, LegacyModuleLoadInfo):
             return self._map_module_load(load_info)
 
     def _build_initial_command(
@@ -592,7 +592,7 @@ def _build_blow_out(
             return custom_create, custom_running
 
     def _map_labware_load(
-        self, labware_load_info: LabwareLoadInfo
+        self, labware_load_info: LegacyLabwareLoadInfo
     ) -> List[pe_actions.Action]:
         """Map a legacy labware load to a ProtocolEngine command."""
         now = ModelUtils.get_timestamp()
@@ -660,7 +660,7 @@ def _map_labware_load(
 
     def _map_instrument_load(
         self,
-        instrument_load_info: InstrumentLoadInfo,
+        instrument_load_info: LegacyInstrumentLoadInfo,
     ) -> List[pe_actions.Action]:
         """Map a legacy instrument (pipette) load to a ProtocolEngine command.
 
@@ -719,7 +719,7 @@ def _map_instrument_load(
         return [queue_action, run_action, succeed_action]
 
     def _map_module_load(
-        self, module_load_info: ModuleLoadInfo
+        self, module_load_info: LegacyModuleLoadInfo
     ) -> List[pe_actions.Action]:
         """Map a legacy module load to a Protocol Engine command."""
         now = ModelUtils.get_timestamp()
diff --git a/api/src/opentrons/protocol_runner/legacy_context_plugin.py b/api/src/opentrons/protocol_runner/legacy_context_plugin.py
index f6f0e25d399..baf6ccbc716 100644
--- a/api/src/opentrons/protocol_runner/legacy_context_plugin.py
+++ b/api/src/opentrons/protocol_runner/legacy_context_plugin.py
@@ -122,7 +122,7 @@ def handle_action(self, action: pe_actions.Action) -> None:
         pass
 
     def _handle_legacy_command(self, command: LegacyCommand) -> None:
-        """Handle a command reported by the APIv2 protocol.
+        """Handle a command reported by the legacy APIv2 protocol.
 
         Used as a broker callback, so this will run in the APIv2 protocol's thread.
         """
@@ -130,7 +130,7 @@ def _handle_legacy_command(self, command: LegacyCommand) -> None:
         self._actions_to_dispatch.put(pe_actions)
 
     def _handle_equipment_loaded(self, load_info: LoadInfo) -> None:
-        """Handle an equipment load reported by the APIv2 protocol.
+        """Handle an equipment load reported by the legacy APIv2 protocol.
 
         Used as a broker callback, so this will run in the APIv2 protocol's thread.
         """
diff --git a/api/src/opentrons/protocol_runner/protocol_runner.py b/api/src/opentrons/protocol_runner/protocol_runner.py
index 5271a4ddbfa..5a8b9134772 100644
--- a/api/src/opentrons/protocol_runner/protocol_runner.py
+++ b/api/src/opentrons/protocol_runner/protocol_runner.py
@@ -32,7 +32,7 @@
 from .python_protocol_wrappers import (
     LEGACY_PYTHON_API_VERSION_CUTOFF,
     LEGACY_JSON_SCHEMA_VERSION_CUTOFF,
-    PythonProtocolFileReader,
+    PythonAndLegacyFileReader,
     ProtocolContextCreator,
     PythonProtocolExecutor,
 )
@@ -136,7 +136,7 @@ def __init__(
         protocol_engine: ProtocolEngine,
         hardware_api: HardwareControlAPI,
         task_queue: Optional[TaskQueue] = None,
-        python_protocol_file_reader: Optional[PythonProtocolFileReader] = None,
+        python_and_legacy_file_reader: Optional[PythonAndLegacyFileReader] = None,
         protocol_context_creator: Optional[ProtocolContextCreator] = None,
         python_protocol_executor: Optional[PythonProtocolExecutor] = None,
         post_run_hardware_state: PostRunHardwareState = PostRunHardwareState.HOME_AND_STAY_ENGAGED,
@@ -146,7 +146,7 @@ def __init__(
         super().__init__(protocol_engine)
         self._hardware_api = hardware_api
         self._protocol_file_reader = (
-            python_protocol_file_reader or PythonProtocolFileReader()
+            python_and_legacy_file_reader or PythonAndLegacyFileReader()
         )
         self._protocol_context_creator = (
             protocol_context_creator
@@ -422,7 +422,7 @@ def create_protocol_runner(
     task_queue: Optional[TaskQueue] = None,
     json_file_reader: Optional[JsonFileReader] = None,
     json_translator: Optional[JsonTranslator] = None,
-    python_protocol_file_reader: Optional[PythonProtocolFileReader] = None,
+    python_and_legacy_file_reader: Optional[PythonAndLegacyFileReader] = None,
     protocol_context_creator: Optional[ProtocolContextCreator] = None,
     python_protocol_executor: Optional[PythonProtocolExecutor] = None,
     post_run_hardware_state: PostRunHardwareState = PostRunHardwareState.HOME_AND_STAY_ENGAGED,
@@ -448,7 +448,7 @@ def create_protocol_runner(
                 protocol_engine=protocol_engine,
                 hardware_api=hardware_api,
                 task_queue=task_queue,
-                python_protocol_file_reader=python_protocol_file_reader,
+                python_and_legacy_file_reader=python_and_legacy_file_reader,
                 protocol_context_creator=protocol_context_creator,
                 python_protocol_executor=python_protocol_executor,
                 post_run_hardware_state=post_run_hardware_state,
diff --git a/api/src/opentrons/protocol_runner/python_protocol_wrappers.py b/api/src/opentrons/protocol_runner/python_protocol_wrappers.py
index bf84c0311cb..e0a345db0f0 100644
--- a/api/src/opentrons/protocol_runner/python_protocol_wrappers.py
+++ b/api/src/opentrons/protocol_runner/python_protocol_wrappers.py
@@ -44,7 +44,7 @@
 LEGACY_JSON_SCHEMA_VERSION_CUTOFF = 6
 
 
-class PythonProtocolFileReader:
+class PythonAndLegacyFileReader:
     """Interface to read Protocol API v2 protocols prior to execution."""
 
     @staticmethod
diff --git a/api/tests/opentrons/protocol_runner/test_legacy_command_mapper.py b/api/tests/opentrons/protocol_runner/test_legacy_command_mapper.py
index 3824b79ee20..ada52714ee6 100644
--- a/api/tests/opentrons/protocol_runner/test_legacy_command_mapper.py
+++ b/api/tests/opentrons/protocol_runner/test_legacy_command_mapper.py
@@ -10,9 +10,9 @@
 from opentrons.hardware_control.modules.types import TemperatureModuleModel
 from opentrons.legacy_commands.types import CommentMessage, PauseMessage, CommandMessage
 from opentrons.protocol_api.core.legacy.load_info import (
-    LabwareLoadInfo,
-    InstrumentLoadInfo,
-    ModuleLoadInfo,
+    LabwareLoadInfo as LegacyLabwareLoadInfo,
+    InstrumentLoadInfo as LegacyInstrumentLoadInfo,
+    ModuleLoadInfo as LegacyModuleLoadInfo,
 )
 from opentrons.protocol_engine import (
     DeckSlotLocation,
@@ -270,7 +270,7 @@ def test_command_stack() -> None:
 
 def test_map_labware_load(minimal_labware_def: LabwareDefinition) -> None:
     """It should correctly map a labware load."""
-    input = LabwareLoadInfo(
+    input = LegacyLabwareLoadInfo(
         labware_definition=minimal_labware_def,
         labware_namespace="some_namespace",
         labware_load_name="some_load_name",
@@ -334,7 +334,7 @@ def test_map_labware_load(minimal_labware_def: LabwareDefinition) -> None:
 def test_map_instrument_load(decoy: Decoy) -> None:
     """It should correctly map an instrument load."""
     pipette_dict = cast(PipetteDict, {"pipette_id": "fizzbuzz"})
-    input = InstrumentLoadInfo(
+    input = LegacyInstrumentLoadInfo(
         instrument_load_name="p1000_single_gen2",
         mount=Mount.LEFT,
         pipette_dict=pipette_dict,
@@ -395,7 +395,7 @@ def test_map_module_load(
 ) -> None:
     """It should correctly map a module load."""
     test_definition = ModuleDefinition.parse_obj(minimal_module_def)
-    input = ModuleLoadInfo(
+    input = LegacyModuleLoadInfo(
         requested_model=TemperatureModuleModel.TEMPERATURE_V1,
         loaded_model=TemperatureModuleModel.TEMPERATURE_V2,
         deck_slot=DeckSlotName.SLOT_1,
@@ -454,7 +454,7 @@ def test_map_module_load(
 
 def test_map_module_labware_load(minimal_labware_def: LabwareDefinition) -> None:
     """It should correctly map a labware load on module."""
-    load_input = LabwareLoadInfo(
+    load_input = LegacyLabwareLoadInfo(
         labware_definition=minimal_labware_def,
         labware_namespace="some_namespace",
         labware_load_name="some_load_name",
diff --git a/api/tests/opentrons/protocol_runner/test_protocol_runner.py b/api/tests/opentrons/protocol_runner/test_protocol_runner.py
index 98d00935579..6aa790bee98 100644
--- a/api/tests/opentrons/protocol_runner/test_protocol_runner.py
+++ b/api/tests/opentrons/protocol_runner/test_protocol_runner.py
@@ -48,7 +48,7 @@
 from opentrons.protocol_runner.json_translator import JsonTranslator
 from opentrons.protocol_runner.legacy_context_plugin import LegacyContextPlugin
 from opentrons.protocol_runner.python_protocol_wrappers import (
-    PythonProtocolFileReader,
+    PythonAndLegacyFileReader,
     ProtocolContextCreator,
     PythonProtocolExecutor,
 )
@@ -85,9 +85,9 @@ def json_translator(decoy: Decoy) -> JsonTranslator:
 
 
 @pytest.fixture
-def python_protocol_file_reader(decoy: Decoy) -> PythonProtocolFileReader:
-    """Get a mocked out PythonProtocolFileReader dependency."""
-    return decoy.mock(cls=PythonProtocolFileReader)
+def python_and_legacy_file_reader(decoy: Decoy) -> PythonAndLegacyFileReader:
+    """Get a mocked out PythonAndLegacyFileReader dependency."""
+    return decoy.mock(cls=PythonAndLegacyFileReader)
 
 
 @pytest.fixture
@@ -137,7 +137,7 @@ def python_runner_subject(
     protocol_engine: ProtocolEngine,
     hardware_api: HardwareAPI,
     task_queue: TaskQueue,
-    python_protocol_file_reader: PythonProtocolFileReader,
+    python_and_legacy_file_reader: PythonAndLegacyFileReader,
     protocol_context_creator: ProtocolContextCreator,
     python_protocol_executor: PythonProtocolExecutor,
 ) -> PythonAndLegacyRunner:
@@ -146,7 +146,7 @@ def python_runner_subject(
         protocol_engine=protocol_engine,
         hardware_api=hardware_api,
         task_queue=task_queue,
-        python_protocol_file_reader=python_protocol_file_reader,
+        python_and_legacy_file_reader=python_and_legacy_file_reader,
         protocol_context_creator=protocol_context_creator,
         python_protocol_executor=python_protocol_executor,
     )
@@ -183,7 +183,7 @@ def test_create_protocol_runner(
     task_queue: TaskQueue,
     json_file_reader: JsonFileReader,
     json_translator: JsonTranslator,
-    python_protocol_file_reader: PythonProtocolFileReader,
+    python_and_legacy_file_reader: PythonAndLegacyFileReader,
     protocol_context_creator: ProtocolContextCreator,
     python_protocol_executor: PythonProtocolExecutor,
     config: Optional[Union[JsonProtocolConfig, PythonProtocolConfig]],
@@ -522,7 +522,7 @@ async def test_load_json_runner(
 
 async def test_load_legacy_python(
     decoy: Decoy,
-    python_protocol_file_reader: PythonProtocolFileReader,
+    python_and_legacy_file_reader: PythonAndLegacyFileReader,
     protocol_context_creator: ProtocolContextCreator,
     python_protocol_executor: PythonProtocolExecutor,
     task_queue: TaskQueue,
@@ -563,7 +563,7 @@ async def test_load_legacy_python(
         await protocol_reader.extract_labware_definitions(legacy_protocol_source)
     ).then_return([labware_definition])
     decoy.when(
-        python_protocol_file_reader.read(
+        python_and_legacy_file_reader.read(
             protocol_source=legacy_protocol_source,
             labware_definitions=[labware_definition],
             python_parse_mode=PythonParseMode.ALLOW_LEGACY_METADATA_AND_REQUIREMENTS,
@@ -612,7 +612,7 @@ async def test_load_legacy_python(
 
 async def test_load_python_with_pe_papi_core(
     decoy: Decoy,
-    python_protocol_file_reader: PythonProtocolFileReader,
+    python_and_legacy_file_reader: PythonAndLegacyFileReader,
     protocol_context_creator: ProtocolContextCreator,
     protocol_engine: ProtocolEngine,
     python_runner_subject: PythonAndLegacyRunner,
@@ -647,7 +647,7 @@ async def test_load_python_with_pe_papi_core(
         await protocol_reader.extract_labware_definitions(protocol_source)
     ).then_return([])
     decoy.when(
-        python_protocol_file_reader.read(
+        python_and_legacy_file_reader.read(
             protocol_source=protocol_source,
             labware_definitions=[],
             python_parse_mode=PythonParseMode.ALLOW_LEGACY_METADATA_AND_REQUIREMENTS,
@@ -672,7 +672,7 @@ async def test_load_python_with_pe_papi_core(
 
 async def test_load_legacy_json(
     decoy: Decoy,
-    python_protocol_file_reader: PythonProtocolFileReader,
+    python_and_legacy_file_reader: PythonAndLegacyFileReader,
     protocol_context_creator: ProtocolContextCreator,
     python_protocol_executor: PythonProtocolExecutor,
     task_queue: TaskQueue,
@@ -708,7 +708,7 @@ async def test_load_legacy_json(
         await protocol_reader.extract_labware_definitions(legacy_protocol_source)
     ).then_return([labware_definition])
     decoy.when(
-        python_protocol_file_reader.read(
+        python_and_legacy_file_reader.read(
             protocol_source=legacy_protocol_source,
             labware_definitions=[labware_definition],
             python_parse_mode=PythonParseMode.ALLOW_LEGACY_METADATA_AND_REQUIREMENTS,