diff --git a/ArduCopter/flight_mode.cpp b/ArduCopter/flight_mode.cpp
index 7c4604e22b..57cbb4dd1d 100644
--- a/ArduCopter/flight_mode.cpp
+++ b/ArduCopter/flight_mode.cpp
@@ -344,7 +344,7 @@ bool Copter::mode_allows_arming(control_mode_t mode, bool arming_from_gcs)
 // notify_flight_mode - sets notify object based on flight mode.  Only used for OreoLED notify device
 void Copter::notify_flight_mode(control_mode_t mode)
 {
-    AP_Notify::flags.flight_mode = mode; //for on-board oled display
+    AP_Notify::flags.flight_mode = mode;
 
     switch (mode) {
         case AUTO:
diff --git a/ArduCopter/sensors.cpp b/ArduCopter/sensors.cpp
index d9c10527e7..f4a24e73fc 100644
--- a/ArduCopter/sensors.cpp
+++ b/ArduCopter/sensors.cpp
@@ -166,7 +166,7 @@ void Copter::read_battery(void)
     // update motors with voltage and current
     if (battery.get_type() != AP_BattMonitor::BattMonitor_TYPE_NONE) {
         motors->set_voltage(battery.voltage());
-        AP_Notify::flags.battery_voltage = battery.voltage(); //for on-board oled display
+        AP_Notify::flags.battery_voltage = battery.voltage();
     }
     if (battery.has_current()) {
         motors->set_current(battery.current_amps());
diff --git a/ArduPlane/sensors.cpp b/ArduPlane/sensors.cpp
index d1c8bc2651..75d2c053bc 100644
--- a/ArduPlane/sensors.cpp
+++ b/ArduPlane/sensors.cpp
@@ -124,7 +124,7 @@ void Plane::read_battery(void)
         low_battery_event();
     }
     if (battery.get_type() != AP_BattMonitor::BattMonitor_TYPE_NONE) {
-        AP_Notify::flags.battery_voltage = battery.voltage(); //for on-board oled display
+        AP_Notify::flags.battery_voltage = battery.voltage();
     }
     
     if (should_log(MASK_LOG_CURRENT)) {
diff --git a/ArduPlane/system.cpp b/ArduPlane/system.cpp
index 6f3d046f05..33b915f85f 100644
--- a/ArduPlane/system.cpp
+++ b/ArduPlane/system.cpp
@@ -324,7 +324,7 @@ void Plane::set_mode(enum FlightMode mode, mode_reason_t reason)
         // don't switch modes if we are already in the correct mode.
         return;
     }
-    AP_Notify::flags.flight_mode = mode; //for on-board oled display
+    AP_Notify::flags.flight_mode = mode;
     if(g.auto_trim > 0 && control_mode == MANUAL)
         trim_control_surfaces();