diff --git a/ROMFS/px4fmu_common/init.d/10016_3dr_iris b/ROMFS/px4fmu_common/init.d/10016_3dr_iris
index ffaa935055..30af86730e 100644
--- a/ROMFS/px4fmu_common/init.d/10016_3dr_iris
+++ b/ROMFS/px4fmu_common/init.d/10016_3dr_iris
@@ -32,6 +32,3 @@ fi
 set MIXER quad_w
 
 set PWM_OUT 1234
-
-set PWM_MIN 1200
-set PWM_MAX 1950