diff --git a/api/src/opentrons/protocol_engine/commands/drop_tip_in_place.py b/api/src/opentrons/protocol_engine/commands/drop_tip_in_place.py
index 724ab1b7f9d..a8e62354f40 100644
--- a/api/src/opentrons/protocol_engine/commands/drop_tip_in_place.py
+++ b/api/src/opentrons/protocol_engine/commands/drop_tip_in_place.py
@@ -1,7 +1,6 @@
 """Drop tip in place command request, result, and implementation models."""
 from __future__ import annotations
 from opentrons.protocol_engine.state import update_types
-from opentrons.protocol_engine.types import TipGeometry
 from pydantic import Field, BaseModel
 from typing import TYPE_CHECKING, Optional, Type
 from typing_extensions import Literal
diff --git a/api/src/opentrons/protocol_engine/state/pipettes.py b/api/src/opentrons/protocol_engine/state/pipettes.py
index 2aa55ea375a..e558d3a0fe6 100644
--- a/api/src/opentrons/protocol_engine/state/pipettes.py
+++ b/api/src/opentrons/protocol_engine/state/pipettes.py
@@ -38,9 +38,6 @@
     CurrentPipetteLocation,
     TipGeometry,
 )
-from ..commands.configuring_common import (
-    PipetteNozzleLayoutResultMixin,
-)
 from ..actions import (
     Action,
     SetPipetteMovementSpeedAction,
@@ -148,7 +145,7 @@ def handle_action(self, action: Action) -> None:
         elif isinstance(action, SetPipetteMovementSpeedAction):
             self._state.movement_speed_by_id[action.pipette_id] = action.speed
 
-    def _handle_command(  # noqa: C901
+    def _handle_command(
         self, action: Union[SucceedCommandAction, FailCommandAction]
     ) -> None:
         self._set_load_pipette(action)
diff --git a/api/src/opentrons/protocol_engine/state/update_types.py b/api/src/opentrons/protocol_engine/state/update_types.py
index a782ce96a26..c2416b4bfb5 100644
--- a/api/src/opentrons/protocol_engine/state/update_types.py
+++ b/api/src/opentrons/protocol_engine/state/update_types.py
@@ -214,6 +214,7 @@ def set_labware_location(  # noqa: D102
         new_location: LabwareLocation,
         new_offset_id: str | None,
     ) -> None:
+        """Set labware location."""
         self.labware_location = LabwareLocationUpdate(
             labware_id=labware_id,
             new_location=new_location,
@@ -248,6 +249,7 @@ def set_load_pipette(
         mount: MountType,
         liquid_presence_detection: typing.Optional[bool],
     ) -> None:
+        """Add loaded pipette to state."""
         self.loaded_pipette = LoadPipetteUpdate(
             pipette_id=pipette_id,
             pipette_name=pipette_name,
@@ -261,11 +263,13 @@ def update_pipette_config(
         config: pipette_data_provider.LoadedStaticPipetteData,
         serial_number: str,
     ) -> None:
+        """Update pipette config."""
         self.pipette_config = PipetteConfigUpdate(
             pipette_id=pipette_id, config=config, serial_number=serial_number
         )
 
     def update_pipette_nozzle(self, pipette_id: str, nozzle_map: NozzleMap) -> None:
+        """Update pipette nozzle map."""
         self.pipette_nozzle_map = PipetteNozzleMapUpdate(
             pipette_id=pipette_id, nozzle_map=nozzle_map
         )
@@ -273,6 +277,7 @@ def update_pipette_nozzle(self, pipette_id: str, nozzle_map: NozzleMap) -> None:
     def update_tip_state(
         self, pipette_id: str, tip_geometry: typing.Optional[TipGeometry]
     ) -> None:
+        """Update tip state."""
         self.pipette_tip_state = PipetteTipStateUpdate(
             pipette_id=pipette_id, tip_geometry=tip_geometry
         )