diff --git a/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c b/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
index 846a0ea46..87fbbafaa 100644
--- a/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
+++ b/ESP32-IDF_ESPNOW-Transmitter/main/espnow_transmitter.c
@@ -407,5 +407,4 @@ void app_main(void)
 
     wifi_init();
     esp_now_init();
-    esp_now_register_send_cb(onDataSent);
 }