diff --git a/examples/RF24/scanner/scanner.ino b/examples/RF24/scanner/scanner.ino
index 4d2755a..9643265 100644
--- a/examples/RF24/scanner/scanner.ino
+++ b/examples/RF24/scanner/scanner.ino
@@ -49,8 +49,6 @@ void setup(void) {
   //
 
   Serial.begin(115200);
-  delay(5000);
-  printf_begin();
   Serial.println(F("\n\rRF24/examples/scanner/"));
 
   //
diff --git a/src/nrf_to_nrf.h b/src/nrf_to_nrf.h
index d1ad6f4..ab00abe 100644
--- a/src/nrf_to_nrf.h
+++ b/src/nrf_to_nrf.h
@@ -7,6 +7,10 @@
 #ifndef __nrf52840_nrf24l01_H__
 #define __nrf52840_nrf24l01_H__
 #include <Arduino.h>
+#if !defined(__MBED__) || defined(USE_TINYUSB)
+// Needed for Serial.print on non-MBED enabled or adafruit-based nRF52 cores
+#include "Adafruit_TinyUSB.h" 
+#endif
 
 #define NRF52_RADIO_LIBRARY
 #define DEFAULT_MAX_PAYLOAD_SIZE 32