diff --git a/opendbc/car/__init__.py b/opendbc/car/__init__.py
index d37e5ef2..e0ccf490 100644
--- a/opendbc/car/__init__.py
+++ b/opendbc/car/__init__.py
@@ -3,7 +3,6 @@ import numpy as np
 from dataclasses import dataclass, field
 from enum import IntFlag, ReprEnum, StrEnum, EnumType, auto
 from dataclasses import replace
-from typing import Tuple
 
 from opendbc.car import structs, uds
 from opendbc.car.can_definitions import CanData
diff --git a/opendbc/car/lateral.py b/opendbc/car/lateral.py
index bd684cec..b5bf4d58 100644
--- a/opendbc/car/lateral.py
+++ b/opendbc/car/lateral.py
@@ -1,11 +1,11 @@
 import math
 import numpy as np
 from dataclasses import dataclass
-from opendbc.car import structs, rate_limit, DT_CTRL
+from opendbc.car import structs, rate_limit, DT_CTRL, ACCELERATION_DUE_TO_GRAVITY
 from opendbc.car.vehicle_model import VehicleModel
+from typing import Tuple
 
 FRICTION_THRESHOLD = 0.3
-ACCELERATION_DUE_TO_GRAVITY = 9.81  # m/s^2
 
 # ISO 11270
 ISO_LATERAL_ACCEL = 3.0  # m/s^2