diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index 6e2797ce24..e7fc0abb1a 100755
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -98,7 +98,6 @@ class CarInterface(CarInterfaceBase):
       # Tuning for experimental long
       ret.longitudinalTuning.kpV = [2.0, 1.5]
       ret.longitudinalTuning.kiV = [0.72]
-      ret.stopAccel = -2.0
       ret.stoppingDecelRate = 2.0  # reach brake quickly after enabling
       ret.vEgoStopping = 0.25
       ret.vEgoStarting = 0.25