diff --git a/ROMFS/px4fmu_common/init.d/4002_quad_x_mount b/ROMFS/px4fmu_common/init.d/4002_quad_x_mount
index feae50e674..915ca64da9 100644
--- a/ROMFS/px4fmu_common/init.d/4002_quad_x_mount
+++ b/ROMFS/px4fmu_common/init.d/4002_quad_x_mount
@@ -15,8 +15,7 @@
 # @output AUX1 Mount pitch
 # @output AUX2 Mount roll
 # @output AUX3 Mount yaw
-# @output AUX4 Mount mode
-# @output AUX5 Mount retract
+# @output AUX4 Mount retract
 #
 # @maintainer Leon Mueller <thedevleon>
 #
diff --git a/ROMFS/px4fmu_common/mixers/mount.aux.mix b/ROMFS/px4fmu_common/mixers/mount.aux.mix
index 71602e0fc2..0edaa07811 100644
--- a/ROMFS/px4fmu_common/mixers/mount.aux.mix
+++ b/ROMFS/px4fmu_common/mixers/mount.aux.mix
@@ -16,12 +16,8 @@ M: 1
 O:      10000  10000      0 -10000  10000
 S: 2 2  10000  10000      0 -10000  10000
 
-# mode
+# Shutter/retract
 M: 1
 O:      10000  10000      0 -10000  10000
 S: 2 3  10000  10000      0 -10000  10000
 
-# retracts
-M: 1
-O:      10000  10000      0 -10000  10000
-S: 2 4  10000  10000      0 -10000  10000