diff --git a/mk/PX4/ROMFS/init.d/rc.APM b/mk/PX4/ROMFS/init.d/rc.APM
index 0b5c4cdba5..7714b493f8 100755
--- a/mk/PX4/ROMFS/init.d/rc.APM
+++ b/mk/PX4/ROMFS/init.d/rc.APM
@@ -250,18 +250,6 @@ then
   fi
 fi
 
-
-echo "Starting APM sensors"
-
-if ms5611 start
-then
-    echo "ms5611 started OK"
-else
-    echo "no ms5611 found"
-    echo "No ms5611 found" >> $logfile
-    sh /etc/init.d/rc.error
-fi
-
 if adc start
 then
     echo "adc started OK"
@@ -270,232 +258,6 @@ else
     sh /etc/init.d/rc.error
 fi
 
-if [ $BOARD == FMUv1 ]
-then
-    echo "Starting FMUv1 sensors"
-    if hmc5883 -C -T -X start
-    then
-        echo "Have external hmc5883"
-    else
-        echo "No external hmc5883"
-    fi
-    if hmc5883 -C -T -I  start
-    then
-        echo "Have internal hmc5883"
-    else
-        echo "No internal hmc5883"
-    fi
-    if mpu6000 start
-    then
-        echo "mpu6000  started OK"
-    else
-        sh /etc/init.d/rc.error
-    fi
-    if l3gd20 start
-    then
-        echo "l3gd20 started OK"
-    else
-        echo "No l3gd20"
-        echo "No l3gd20" >> $logfile
-    fi
-fi
-
-if [ $BOARD == FMUv2 ]
-then
-    echo "Starting FMUv2 sensors"
-    if hmc5883 -C -T -X start
-    then
-        echo "Have external hmc5883"
-    else
-        echo "No external hmc5883"
-    fi
-    if hmc5883 -C -T -I -R 4 start
-    then
-        echo "Have internal hmc5883"
-    else
-        echo "No internal hmc5883"
-    fi
-
-    # external MPU6000 is rotated YAW_180 from standard
-    if mpu6000 -X -R 4 start
-    then
-       echo "Found MPU6000 external"
-       set HAVE_FMUV3 true
-    else
-       if mpu9250 -X -R 4 start
-       then
-           echo "Found MPU9250 external"
-           set HAVE_FMUV3 true
-       else
-           echo "No MPU6000 or MPU9250 external"
-           set HAVE_FMUV3 false
-       fi
-    fi
-    if [ $HAVE_FMUV3 == true ]
-    then
-        # external L3GD20 is rotated YAW_180 from standard
-        if l3gd20 -X -R 4 start
-        then
-            echo "l3gd20 external started OK"
-        else
-            echo "No l3gd20"
-            sh /etc/init.d/rc.error
-        fi
-        # external LSM303D is rotated YAW_270 from standard
-        if lsm303d -a 16 -X -R 6 start
-        then
-            echo "lsm303d external started OK"
-        else
-            echo "No lsm303d"
-            sh /etc/init.d/rc.error
-        fi
-        # internal MPU6000 is rotated ROLL_180_YAW_270 from standard
-        if mpu6000 -R 14 start
-        then
-            echo "Found MPU6000 internal"
-        else
-        if mpu9250 -R 14 start
-        then
-            echo "Found MPU9250 internal"
-        else
-            echo "No MPU6000 or MPU9250"
-            echo "No MPU6000 or MPU9250" >> $logfile
-            sh /etc/init.d/rc.error
-        fi
-        fi
-        if hmc5883 -C -T -S -R 8 start
-        then
-            echo "Found SPI hmc5883"
-        fi
-    else
-        if mpu6000 start
-        then
-            echo "Found MPU6000"
-        else
-            if mpu9250 start
-            then
-                echo "Found MPU9250"
-            else
-                echo "No MPU6000 or MPU9250"
-                echo "No MPU9250" >> $logfile
-            fi
-        fi
-        if l3gd20 start
-        then
-            echo "l3gd20 started OK"
-        else
-            sh /etc/init.d/rc.error
-        fi
-        if lsm303d -a 16 start
-        then
-            echo "lsm303d started OK"
-        else
-            sh /etc/init.d/rc.error
-        fi
-    fi
-fi
-
-
-if [ $BOARD == FMUv4 ]
-then
-    echo "Starting FMUv4 sensors"
-    if hmc5883 -C -T -X start
-    then
-        echo "Have external hmc5883"
-    else
-        echo "No external hmc5883"
-    fi
-    if hmc5883 -C -T -S -R 2 start
-    then
-        echo "Have SPI hmc5883"
-    else
-        echo "No SPI hmc5883"
-    fi
-
-    if mpu6000 -R 2 -T 20608 start
-    then
-        echo "Found ICM-20608 internal"
-    fi
-
-    if mpu9250 -R 2 start
-    then
-        echo "Found mpu9250 internal"
-    fi
-fi
-
-# optional ETS airspeed sensor
-if ets_airspeed start
-then
-    echo "Found ETS airspeed sensor"
-fi
-
-if meas_airspeed start
-then
-    echo "Found MEAS airspeed sensor"
-else
-    if meas_airspeed start -b 2
-    then
-        echo "Found MEAS airspeed sensor (bus2)"
-    fi
-fi
-
-# optional Range Finder sensor
-if ll40ls -X start
-then
-    echo "Found external ll40ls sensor"
-fi
-
-if ll40ls -I start
-then
-    echo "Found internal ll40ls sensor"
-fi
-
-if trone start
-then
-    echo "Found trone sensor"
-fi
-
-if mb12xx start
-then
-    echo "Found mb12xx sensor"
-fi
-
-# optional PX4Flow sensor
-if [ -f /bin/px4flow ]
-then
-    if px4flow start
-    then
-            echo "Found px4flow sensor"
-    fi
-fi
-
-# optional PWM input driver
-if pwm_input start
-then
-    echo "started pwm_input driver"
-fi
-
-# optional oreo leds
-if [ -f /bin/oreoled ]
-then
-  if oreoled start autoupdate
-  then
-    echo "oreoled started OK"
-  fi
-fi
-
-# optional smbus battery monitor
-if batt_smbus -b 2 start
-then
-    echo "Found batt_smbus"
-fi
-
-# optional irlock
-if irlock start
-then
-    echo "irlock started"
-fi
-
 echo Starting ArduPilot $deviceA $deviceC $deviceD
 if ArduPilot -d $deviceA -d2 $deviceC -d3 $deviceD start
 then