diff --git a/ArduCopter/ArduCopter.cpp b/ArduCopter/ArduCopter.cpp
index 6fac3b1fcb..3e902b75a6 100644
--- a/ArduCopter/ArduCopter.cpp
+++ b/ArduCopter/ArduCopter.cpp
@@ -494,9 +494,6 @@ void Copter::one_hz_loop()
 
     check_usb_mux();
 
-    // enable/disable raw gyro/accel logging
-    ins.set_raw_logging(should_log(MASK_LOG_IMU_RAW));
-
     // log terrain data
     terrain_logging();
 
diff --git a/ArduCopter/system.cpp b/ArduCopter/system.cpp
index 05795aed27..e9de9d4335 100644
--- a/ArduCopter/system.cpp
+++ b/ArduCopter/system.cpp
@@ -314,8 +314,7 @@ void Copter::init_ardupilot()
     // enable CPU failsafe
     failsafe_enable();
 
-    ins.set_raw_logging(should_log(MASK_LOG_IMU_RAW));
-    ins.set_dataflash(&DataFlash);
+    ins.set_log_raw_bit(MASK_LOG_IMU_RAW);
 
     // enable output to motors
     arming.pre_arm_rc_checks(true);