diff --git a/Tools/autotest/default_params/copter.parm b/Tools/autotest/default_params/copter.parm
index f3993e3831..07a8a37666 100644
--- a/Tools/autotest/default_params/copter.parm
+++ b/Tools/autotest/default_params/copter.parm
@@ -67,8 +67,6 @@ INS_ACC3SCAL_Y   1.000
 INS_ACC3SCAL_Z   1.000
 MOT_THST_EXPO   0.65
 MOT_THST_HOVER  0.39
-MOT_PWM_MIN     1000
-MOT_PWM_MAX     2000
 MOT_BAT_VOLT_MIN 9.6
 MOT_BAT_VOLT_MAX 12.8
 # flightmodes