diff --git a/libraries/AP_Airspeed/AP_Airspeed.cpp b/libraries/AP_Airspeed/AP_Airspeed.cpp
index f9e1c22687..5f7364d46c 100644
--- a/libraries/AP_Airspeed/AP_Airspeed.cpp
+++ b/libraries/AP_Airspeed/AP_Airspeed.cpp
@@ -62,8 +62,6 @@ extern const AP_HAL::HAL& hal;
  #define ARSPD_DEFAULT_PIN 16
 #elif CONFIG_HAL_BOARD == HAL_BOARD_LINUX
  #define ARSPD_DEFAULT_PIN AP_AIRSPEED_I2C_PIN
-#elif CONFIG_HAL_BOARD == HAL_BOARD_LINUX
- #define ARSPD_DEFAULT_PIN AP_AIRSPEED_I2C_PIN
 #else
  #define ARSPD_DEFAULT_PIN 0
 #endif