diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index 951f60ea..854aec62 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -296,9 +296,11 @@ void loop() {
 #if defined(NRF52_PLATFORM)
     board.sleep(0); // nrf ignores seconds param, sleeps whenever possible
 #elif defined(ESP32_PLATFORM)
+#if defined(BLE_PIN_CODE)
     if (!bluetooth_interface.isReadBusy() && !bluetooth_interface.isWriteBusy()) { // BLE is not busy
       vTaskDelay(pdMS_TO_TICKS(10));  // attempt to sleep
     }
+#endif
 #endif
   }
 
diff --git a/src/helpers/esp32/SerialBLEInterface.cpp b/src/helpers/esp32/SerialBLEInterface.cpp
index 1a8e3593..2e1343f5 100644
--- a/src/helpers/esp32/SerialBLEInterface.cpp
+++ b/src/helpers/esp32/SerialBLEInterface.cpp
@@ -189,7 +189,7 @@ size_t SerialBLEInterface::writeFrame(const uint8_t src[], size_t len) {
 #define  BLE_WRITE_MIN_INTERVAL   60
 
 bool SerialBLEInterface::isReadBusy() const {
-  return uxQueueMessagesWaiting(recv_queue) > 0; // Kevin
+  return uxQueueMessagesWaiting(recv_queue) > 0;
 }
 
 bool SerialBLEInterface::isWriteBusy() const {