diff --git a/ArduCopter/Copter.cpp b/ArduCopter/Copter.cpp
index b9de7d75b7..91d5f369ad 100644
--- a/ArduCopter/Copter.cpp
+++ b/ArduCopter/Copter.cpp
@@ -491,7 +491,7 @@ void Copter::ten_hz_logging_loop()
         Log_Write_EKF_POS();
     }
     if (should_log(MASK_LOG_MOTBATT)) {
-        Log_Write_MotBatt();
+        motors->Log_Write();
     }
     if (should_log(MASK_LOG_RCIN)) {
         logger.Write_RCIN();
diff --git a/ArduCopter/Copter.h b/ArduCopter/Copter.h
index df355f6e96..02d3881145 100644
--- a/ArduCopter/Copter.h
+++ b/ArduCopter/Copter.h
@@ -786,7 +786,6 @@ private:
     void Log_Write_Control_Tuning();
     void Log_Write_Attitude();
     void Log_Write_EKF_POS();
-    void Log_Write_MotBatt();
     void Log_Write_Data(LogDataID id, int32_t value);
     void Log_Write_Data(LogDataID id, uint32_t value);
     void Log_Write_Data(LogDataID id, int16_t value);
diff --git a/ArduCopter/Log.cpp b/ArduCopter/Log.cpp
index 1b5582dd48..77459a5d7e 100644
--- a/ArduCopter/Log.cpp
+++ b/ArduCopter/Log.cpp
@@ -94,31 +94,6 @@ void Copter::Log_Write_EKF_POS()
     ahrs.Write_POS();
 }
 
-struct PACKED log_MotBatt {
-    LOG_PACKET_HEADER;
-    uint64_t time_us;
-    float   lift_max;
-    float   bat_volt;
-    float   bat_res;
-    float   th_limit;
-};
-
-// Write an rate packet
-void Copter::Log_Write_MotBatt()
-{
-#if FRAME_CONFIG != HELI_FRAME
-    struct log_MotBatt pkt_mot = {
-        LOG_PACKET_HEADER_INIT(LOG_MOTBATT_MSG),
-        time_us         : AP_HAL::micros64(),
-        lift_max        : (float)(motors->get_lift_max()),
-        bat_volt        : (float)(motors->get_batt_voltage_filt()),
-        bat_res         : (float)(battery.get_resistance()),
-        th_limit        : (float)(motors->get_throttle_limit())
-    };
-    logger.WriteBlock(&pkt_mot, sizeof(pkt_mot));
-#endif
-}
-
 struct PACKED log_Data_Int16t {
     LOG_PACKET_HEADER;
     uint64_t time_us;
@@ -467,17 +442,6 @@ const struct LogStructure Copter::log_structure[] = {
 
     { LOG_CONTROL_TUNING_MSG, sizeof(log_Control_Tuning),
       "CTUN", "Qffffffefffhh", "TimeUS,ThI,ABst,ThO,ThH,DAlt,Alt,BAlt,DSAlt,SAlt,TAlt,DCRt,CRt", "s----mmmmmmnn", "F----00B000BB" , true },
-    
-// @LoggerMessage: MOTB
-// @Description: Battery information
-// @Field: TimeUS: Time since system startup
-// @Field: LiftMax: Maximum motor compensation gain
-// @Field: BatVolt: Ratio betwen detected battery voltage and maximum battery voltage
-// @Field: BatRes: Estimated battery resistance
-// @Field: ThLimit: Throttle limit set due to battery current limitations
-
-    { LOG_MOTBATT_MSG, sizeof(log_MotBatt),
-      "MOTB", "Qffff",  "TimeUS,LiftMax,BatVolt,BatRes,ThLimit", "s-vw-", "F-00-" , true },
     { LOG_DATA_INT16_MSG, sizeof(log_Data_Int16t),         
       "D16",   "QBh",         "TimeUS,Id,Value", "s--", "F--" },
     { LOG_DATA_UINT16_MSG, sizeof(log_Data_UInt16t),         
@@ -572,7 +536,6 @@ void Copter::log_init(void)
 void Copter::Log_Write_Control_Tuning() {}
 void Copter::Log_Write_Attitude(void) {}
 void Copter::Log_Write_EKF_POS() {}
-void Copter::Log_Write_MotBatt() {}
 void Copter::Log_Write_Data(LogDataID id, int32_t value) {}
 void Copter::Log_Write_Data(LogDataID id, uint32_t value) {}
 void Copter::Log_Write_Data(LogDataID id, int16_t value) {}
diff --git a/ArduCopter/defines.h b/ArduCopter/defines.h
index fb36ac0c26..cb27f60ab6 100644
--- a/ArduCopter/defines.h
+++ b/ArduCopter/defines.h
@@ -116,7 +116,6 @@ enum LoggingParameters {
      LOG_DATA_INT32_MSG,
      LOG_DATA_UINT32_MSG,
      LOG_DATA_FLOAT_MSG,
-     LOG_MOTBATT_MSG,
      LOG_PARAMTUNE_MSG,
      LOG_HELI_MSG,
      LOG_GUIDEDTARGET_MSG,