diff --git a/src/main/target/ALIENFLIGHTF3/hardware_revision.c b/src/main/target/ALIENFLIGHTF3/hardware_revision.c
index 7a7aabfba..16a9de5b2 100644
--- a/src/main/target/ALIENFLIGHTF3/hardware_revision.c
+++ b/src/main/target/ALIENFLIGHTF3/hardware_revision.c
@@ -20,7 +20,6 @@
 #include <stdlib.h>
 
 #include "platform.h"
-
 #include "build_config.h"
 
 #include "drivers/system.h"
@@ -36,11 +35,11 @@ static const char * const hardwareRevisionNames[] = {
 
 uint8_t hardwareRevision = UNKNOWN;
 
-static IO_t HWDetectPin = DEFIO_IO(NONE);
+static IO_t HWDetectPin = IO_NONE;
 
 void detectHardwareRevision(void)
 {
-    HWDetectPin = IOGetByTag(IO_TAG(HW_PIN));
+	HWDetectPin = IOGetByTag(IO_TAG(HW_PIN));
     IOInit(HWDetectPin, OWNER_SYSTEM, RESOURCE_INPUT);
     IOConfigGPIO(HWDetectPin, IOCFG_IPU);
 
diff --git a/src/main/target/ALIENFLIGHTF3/target.h b/src/main/target/ALIENFLIGHTF3/target.h
index f6de770af..68b0807e5 100644
--- a/src/main/target/ALIENFLIGHTF3/target.h
+++ b/src/main/target/ALIENFLIGHTF3/target.h
@@ -19,7 +19,6 @@
 
 #define TARGET_BOARD_IDENTIFIER "AFF3" // AlienFlight F3.
 #define USE_HARDWARE_REVISION_DETECTION
-
 #define HW_PIN      PB2
 
 // LED's V1
@@ -110,9 +109,7 @@
 #define USE_SPI
 #define USE_SPI_DEVICE_3
 
-#define MPU6500_CS_GPIO_CLK_PERIPHERAL   RCC_AHBPeriph_GPIOA
-#define MPU6500_CS_GPIO                  GPIOA
-#define MPU6500_CS_PIN                   GPIO_Pin_15
+#define MPU6500_CS_PIN                   PA15
 #define MPU6500_SPI_INSTANCE             SPI3
 
 #define USE_ADC