diff --git a/Globals.h b/Globals.h
index ee435a3..baec6dc 100644
--- a/Globals.h
+++ b/Globals.h
@@ -23,7 +23,6 @@
 #if defined(STM32F10X_MD)
 #include <stm32f10x.h>
 #include "string.h"
-#include <stdio.h>
 #else
 #include <Arduino.h>
 #endif
diff --git a/SerialPort.cpp b/SerialPort.cpp
index 56ad365..715d4a2 100644
--- a/SerialPort.cpp
+++ b/SerialPort.cpp
@@ -1019,7 +1019,6 @@ void CSerialPort::printConf()
   char buff[60];
   
   writeDebug("ZUMspot configuration:");
-  sprintf(buff, "TX freq %lu Hz, RX freq %lu Hz", io.TXfreq(), io.RXfreq());
   writeDebug(buff);
   writeDebug("D-Star dev (Hz):", io.devDSTAR());
   writeDebug("DMR +1 sym dev (Hz):", io.devDMR());