diff --git a/libraries/AP_HAL_PX4/HAL_PX4_Class.cpp b/libraries/AP_HAL_PX4/HAL_PX4_Class.cpp
index afbd74eca9..03249681a6 100644
--- a/libraries/AP_HAL_PX4/HAL_PX4_Class.cpp
+++ b/libraries/AP_HAL_PX4/HAL_PX4_Class.cpp
@@ -152,7 +152,6 @@ static int main_loop(int argc, char **argv)
     hal.uartC->begin(57600);
     hal.uartD->begin(57600);
     hal.uartE->begin(57600);
-    hal.uartF->begin(57600);
     hal.scheduler->init();
 
     /*