diff --git a/Tools/autotest/arducopter.py b/Tools/autotest/arducopter.py
index ac95e04d30..e9c972753a 100644
--- a/Tools/autotest/arducopter.py
+++ b/Tools/autotest/arducopter.py
@@ -6606,9 +6606,6 @@ class AutoTestCopter(AutoTest):
             })
             self.reboot_sitl()
             self.set_parameters({
-                "EK3_DRAG_BCOEF_X": 361.000000,
-                "EK3_DRAG_BCOEF_Y": 361.000000,
-                "EK3_DRAG_MCOEF": 0.082000,
                 "BARO1_WCF_FWD": -0.300000,
                 "BARO1_WCF_BCK": -0.300000,
                 "BARO1_WCF_RGT": 0.300000,