diff --git a/src/fx.h b/src/fx.h
index 93e86d0..c8d9203 100644
--- a/src/fx.h
+++ b/src/fx.h
@@ -22,9 +22,6 @@
 #include <arm_math.h>
 #include "common.h"
 
-#include <iostream>
-using namespace std;
-
 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
   TypeName(const TypeName&) = delete;      \
   void operator=(const TypeName&) = delete
diff --git a/src/userinterface.h b/src/userinterface.h
index 938b5a2..5de2846 100644
--- a/src/userinterface.h
+++ b/src/userinterface.h
@@ -55,8 +55,8 @@ public:
 	// To be called from the MIDI device on reception of a MIDI CC message
 	void UIMIDICmdHandler (unsigned nMidiCh, unsigned nMidiCmd, unsigned nMidiData1, unsigned nMidiData2);
 
-	void LCDWrite (const char *pString);		// Print to optional HD44780 display
 private:
+	void LCDWrite (const char *pString);		// Print to optional HD44780 display
 
 	void EncoderEventHandler (CKY040::TEvent Event);
 	static void EncoderEventStub (CKY040::TEvent Event, void *pParam);