diff --git a/radio/src/targets/horus/board_horus.h b/radio/src/targets/horus/board_horus.h
index 040373ebe..901f8da6a 100644
--- a/radio/src/targets/horus/board_horus.h
+++ b/radio/src/targets/horus/board_horus.h
@@ -335,7 +335,6 @@ void checkTrainerSettings(void);
 #include "dmafifo.h"
 extern DMAFifo<512> telemetryFifo;
 extern DMAFifo<32> serial2RxFifo;
-extern Fifo<uint8_t, 32> sbusFifo;
 #endif
 
 #endif // _BOARD_HORUS_H_
diff --git a/radio/src/targets/taranis/board_taranis.h b/radio/src/targets/taranis/board_taranis.h
index 0d8ce26f1..de675f7e1 100644
--- a/radio/src/targets/taranis/board_taranis.h
+++ b/radio/src/targets/taranis/board_taranis.h
@@ -413,7 +413,6 @@ void checkTrainerSettings(void);
 
 extern Fifo<uint8_t, TELEMETRY_FIFO_SIZE> telemetryFifo;
 extern DMAFifo<32> serial2RxFifo;
-extern Fifo<uint8_t, 32> sbusFifo;
 #endif
 
 #endif // _BOARD_TARANIS_H_