diff --git a/ROMFS/px4fmu_common/init.d/10017_steadidrone_qu4d b/ROMFS/px4fmu_common/init.d/10017_steadidrone_qu4d
index 7e27043156..7accc4f6e9 100644
--- a/ROMFS/px4fmu_common/init.d/10017_steadidrone_qu4d
+++ b/ROMFS/px4fmu_common/init.d/10017_steadidrone_qu4d
@@ -30,7 +30,4 @@ fi
 
 set MIXER quad_w
 
-set PWM_MIN 1210
-set PWM_MAX 2100
-
 set PWM_OUT 1234