diff --git a/examples/platforms/nrf52840/usb-cdc-uart.c b/examples/platforms/nrf52840/usb-cdc-uart.c
index f1711969a..e05c35972 100644
--- a/examples/platforms/nrf52840/usb-cdc-uart.c
+++ b/examples/platforms/nrf52840/usb-cdc-uart.c
@@ -246,8 +246,6 @@ static void processTransmit(void)
     }
     else if (sUsbState.mTransferDone)
     {
-        otPlatLog(OT_LOG_LEVEL_DEBG, OT_LOG_REGION_PLATFORM, "otPlatUartSendDone");
-
         sUsbState.mTransferDone       = false;
         sUsbState.mTransferInProgress = false;