diff --git a/radio/src/telemetry/frsky.cpp b/radio/src/telemetry/frsky.cpp
index c26ee5156..9c9d6b776 100644
--- a/radio/src/telemetry/frsky.cpp
+++ b/radio/src/telemetry/frsky.cpp
@@ -317,7 +317,9 @@ void telemetryWakeup()
     static uint8_t frskyTxDelay = 5;
     if (frskyAlarmsSendState && (--frskyTxDelay == 0)) {
       frskyTxDelay = 5; // 50ms
+#if !defined(SIMU)
       frskyDSendNextAlarm();
+#endif
     }
   }
 #endif
diff --git a/radio/src/telemetry/frsky_d.cpp b/radio/src/telemetry/frsky_d.cpp
index 23b69b441..45b8db811 100644
--- a/radio/src/telemetry/frsky_d.cpp
+++ b/radio/src/telemetry/frsky_d.cpp
@@ -435,7 +435,9 @@ void frskySendPacket(uint8_t type, uint8_t value, uint8_t p1, uint8_t p2)
   *ptr++ = START_STOP; // Start of packet
 
   frskyTxBufferCount = ptr - &frskyTxBuffer[0];
+#if !defined(SIMU)
   telemetryTransmitBuffer();
+#endif
 }
 
 inline void frskyDSendNextAlarm(void)