diff --git a/MicroDexed.ino b/MicroDexed.ino
index d47bea9..facfc32 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -36,7 +36,6 @@
 #include "effect_modulated_delay.h"
 #include "effect_stereo_mono.h"
 #include "effect_mono_stereo.h"
-#include "audio_timer.h"
 #ifdef USE_PLATEREVERB
 #include "effect_platervbstereo.h"
 #else
@@ -357,29 +356,6 @@ extern LCDMenuLib2 LCDML;
 
 extern void getNoteName(char* noteName, uint8_t noteNumber);
 
-void testfunc(void)
-{
-  static int8_t takt;
-
-  switch (takt % 4)
-  {
-    case 0:
-      Serial.println("EINS!");
-      break;
-    case 1:
-      Serial.println("ZWEI!");
-      break;
-    case 2:
-      Serial.println("DREI!");
-      break;
-    case 3:
-      Serial.println("VIER!");
-      takt = -1;
-      break;
-  }
-  takt++;
-}
-
 /***********************************************************************
    SETUP
  ***********************************************************************/
@@ -392,11 +368,6 @@ void setup()
 
 #ifdef ENABLE_LCD_UI
   setup_ui();
-#ifdef DEBUG
-  setup_debug_message();
-#endif
-  Serial.begin(SERIAL_SPEED);
-  Serial.println(CrashReport);
 #endif
 #ifndef ENABLE_LCD_UI
 #ifdef DEBUG
@@ -405,6 +376,10 @@ void setup()
 #endif
 
 #ifdef DEBUG
+  setup_debug_message();
+  Serial.begin(SERIAL_SPEED);
+  Serial.println(CrashReport);
+  
   generate_version_string(version_string, sizeof(version_string));
 
   Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
@@ -644,9 +619,6 @@ void setup()
   audio_thru_mixer_l.gain(3, 0.0);
 #endif
 
-  //audio_timer.set_bpm(60);
-  //audio_timer.function(8, &testfunc); // 60 bpm with 1/8 pulses
-
 #ifdef DEBUG
   Serial.println(F("<setup end>"));
 #endif
diff --git a/audio_timer.cpp b/audio_timer.cpp
deleted file mode 100644
index 149158e..0000000
--- a/audio_timer.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <Audio.h>
-#include "config.h"
-#include "audio_timer.h"
-
-void AudioTimer::update(void)
-{
-  audio_block_t *in;
-
-  in = receiveReadOnly(0);
-  if (in)
-    release(in);
-
-  tick++;
-
-  if (tick >= _steps)
-  {
-    if (step_function != NULL)
-      (*step_function)();
-    tick = 0;
-  }
-}
-
-uint32_t AudioTimer::get_tick(void)
-{
-  return (tick);
-}
-
-void AudioTimer::set_bpm(uint8_t b)
-{
-  bpm = b;
-}
-
-void AudioTimer::function(uint8_t stepping, void(*func)())
-{
-  steps = stepping;
-  if (func != NULL)
-  {
-    step_function = func;
-    _steps = beat * float(bpm) * 4.0 / float(stepping) + 0.5;
-  }
-  else
-    step_function = NULL;
-}
diff --git a/audio_timer.h b/audio_timer.h
deleted file mode 100644
index f6ed8ff..0000000
--- a/audio_timer.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef _AUDIO_TIMER_H_
-#define _AUDIO_TIMER_H_
-
-class AudioTimer : public AudioStream
-{
-  public:
-    AudioTimer(void):
-      AudioStream(1, inputQueueArray)
-    {
-      tick = 0;
-      bpm = 60;
-      steps = 4;
-      step_function = NULL;
-    }
-
-    virtual uint32_t get_tick(void);
-    virtual void set_bpm(uint8_t b);
-    virtual void function(uint8_t stepping, void(*func)());
-    virtual void update(void);
-
-  private:
-    audio_block_t *inputQueueArray[1];
-    uint8_t bpm;
-    uint8_t steps;
-    uint16_t _steps;
-    void (*step_function)();
-    volatile uint32_t tick;
-    const float beat = AUDIO_SAMPLE_RATE_EXACT / float(AUDIO_BLOCK_SAMPLES) / 60.0;
-};
-#endif