diff --git a/ROMFS/px4fmu_common/init.d/2101_fw_AERT b/ROMFS/px4fmu_common/init.d/2101_fw_AERT
index d13514d03a..9bd6370b90 100644
--- a/ROMFS/px4fmu_common/init.d/2101_fw_AERT
+++ b/ROMFS/px4fmu_common/init.d/2101_fw_AERT
@@ -23,6 +23,3 @@ set MIXER AERT
 
 # use PWM parameters for throttle channel
 set PWM_OUT 4
-set PWM_DISARMED p:PWM_DISARMED
-set PWM_MIN p:PWM_MIN
-set PWM_MAX p:PWM_MAX