diff --git a/radio/src/targets/sky9x/board.h b/radio/src/targets/sky9x/board.h
index 4ebf7115e..c9bcad31b 100644
--- a/radio/src/targets/sky9x/board.h
+++ b/radio/src/targets/sky9x/board.h
@@ -212,7 +212,6 @@ void calcConsumption();
 
 // Trainer driver
 #define SLAVE_MODE()                   (pwrCheck() == e_power_trainer)
-#define TRAINER_CONNECTED()            (PIOA->PIO_PDSR & PIO_PA8)
 void init_trainer_capture();
 void stop_trainer_capture();
 #define TRAINER_DETECT_GPIO             PIOA