diff --git a/app/src/main/cpp/GPIOControl.h b/app/src/main/cpp/GPIOControl.h
index 52261117..5d740a0a 100644
--- a/app/src/main/cpp/GPIOControl.h
+++ b/app/src/main/cpp/GPIOControl.h
@@ -66,8 +66,8 @@
 #define CMD_SET_SYSTEM_RESET                    202
 #define CMD_GET_LIGHT_ADC                       101
 #define CMD_SET_LIGHT_ADC                       102
- #define CMD_GET_CHARGING_BUS_VOLTAGE_STATE      112
- #define CMD_GET_BAT_BUS_VOLTAGE_STATE           117
+#define CMD_GET_CHARGING_BUS_VOLTAGE_STATE      112
+#define CMD_GET_BAT_BUS_VOLTAGE_STATE           117
 //#define CMD_GET_CHARGING_BUS_VOLTAGE_STATE      117
 //#define CMD_GET_BAT_BUS_VOLTAGE_STATE           112
 #define CMD_SET_SPI_MODE                        0       // TO BE ADDED
@@ -349,11 +349,7 @@ public:
 #endif
 
     static int getChargingBusVoltage() {
-#ifndef USING_N938
         return getInt(CMD_GET_CHARGING_BUS_VOLTAGE_STATE);
-#else
-        return -1;
-#endif
     }
 
 #if 0