diff --git a/src/main/target/STM32F4DISCOVERY/target.h b/src/main/target/STM32F4DISCOVERY/target.h
index f2072b24bc..b4ff750722 100644
--- a/src/main/target/STM32F4DISCOVERY/target.h
+++ b/src/main/target/STM32F4DISCOVERY/target.h
@@ -82,7 +82,7 @@
 #define SERIAL_PORT_COUNT       6 //VCP, USART1, USART3, USART4, USART6
 
 #define USE_ESCSERIAL
-#define ESCSERIAL_TIMER_TX_HARDWARE 0 // PWM 1
+#define ESCSERIAL_TIMER_TX_PIN  PB9
 
 //SPI
 #define USE_SPI
@@ -108,7 +108,6 @@
 #define USE_ADC
 #define DEFAULT_VOLTAGE_METER_SOURCE VOLTAGE_METER_ADC
 #define DEFAULT_CURRENT_METER_SOURCE CURRENT_METER_ADC
-#define BOARD_HAS_VOLTAGE_DIVIDER
 #define VBAT_ADC_PIN            PC1
 #define CURRENT_METER_ADC_PIN   PC2