diff --git a/src/main/drivers/accgyro_mpu6500.h b/src/main/drivers/accgyro_mpu6500.h
index e1b54831a..c3cbe8ca8 100644
--- a/src/main/drivers/accgyro_mpu6500.h
+++ b/src/main/drivers/accgyro_mpu6500.h
@@ -24,9 +24,14 @@
 #define ICM20602_WHO_AM_I_CONST             (0x12)
 
 #define MPU6500_BIT_RESET                   (0x80)
-#define MPU6500_BIT_INT_ANYRD_2CLEAR        (1 << 4)
-#define MPU6500_BIT_BYPASS_EN               (1 << 0)
-#define MPU6500_BIT_I2C_IF_DIS              (1 << 4)
+
+// Register 0x37/55 - INT_PIN_CFG / Pin Bypass Enable Configuration
+#define MPU6500_BIT_RESERVED                1 << 0
+#define MPU6500_BIT_BYPASS_EN               1 << 1
+#define MPU6500_BIT_INT_ANYRD_2CLEAR        1 << 4
+
+// Register 0x6a/106 - USER_CTRL / User Control
+#define MPU6500_BIT_I2C_IF_DIS              1 << 4
 #define MPU6500_BIT_RAW_RDY_EN              (0x01)
 
 bool mpu6500AccDetect(accDev_t *acc);
diff --git a/src/main/target/SPRACINGF3EVO/target.h b/src/main/target/SPRACINGF3EVO/target.h
index 200018076..95d26dce5 100755
--- a/src/main/target/SPRACINGF3EVO/target.h
+++ b/src/main/target/SPRACINGF3EVO/target.h
@@ -77,9 +77,6 @@
 #define USE_ESCSERIAL
 #define ESCSERIAL_TIMER_TX_HARDWARE 0 // PWM 1
 
-#undef USE_SOFTSERIAL1
-#undef USE_SOFTSERIAL2
-
 #define UART1_TX_PIN            PA9
 #define UART1_RX_PIN            PA10