diff --git a/src/keyer.cpp b/src/keyer.cpp
index 25e2dda..a966e56 100644
--- a/src/keyer.cpp
+++ b/src/keyer.cpp
@@ -36,7 +36,7 @@ uint64_t calcElementDurationUs(uint8_t wpm)
     return duration;
 }
 
-Keyer::Keyer(uint8_t wpm, Mode mode) : m_wpm(wpm), m_mode(mode), m_buzzer(BUZZER_PIN), m_audioOut(AUDIO_OUT_PIN)
+Keyer::Keyer(uint8_t wpm, Mode mode) : m_wpm(wpm), m_mode(mode), m_buzzer(BUZZER_PIN) //, m_audioOut(AUDIO_OUT_PIN)
 {
     m_elementDuration = calcElementDurationUs(m_wpm);
 }
@@ -93,7 +93,7 @@ void Keyer::run()
             gpio_put(LED_PIN, 1);
             gpio_put(CW_OUT_PIN, 1);
             m_buzzer.on(SIDETONE_FREQ);
-            m_audioOut.on(SIDETONE_FREQ);
+            //m_audioOut.on(SIDETONE_FREQ);
         } else {
             // If right paddle üressed -> note for Iambic B
             if (right_paddle_pressed() && !m_keyNextIambicB) {
@@ -105,7 +105,7 @@ void Keyer::run()
                 gpio_put(LED_PIN, 0);
                 gpio_put(CW_OUT_PIN, 0);
                 m_buzzer.off();
-                m_audioOut.off();
+                //m_audioOut.off();
                 m_previousState = State::Dit;
                 m_state = State::DitPause;
             }
@@ -118,7 +118,7 @@ void Keyer::run()
             gpio_put(LED_PIN, 1);
             gpio_put(CW_OUT_PIN, 1);
             m_buzzer.on(SIDETONE_FREQ);
-            m_audioOut.on(SIDETONE_FREQ);
+            //m_audioOut.on(SIDETONE_FREQ);
         } else {
             // If left paddle pressed -> Note for Iambic B
             if (left_paddle_pressed() && !m_keyNextIambicB) {
@@ -130,7 +130,7 @@ void Keyer::run()
                 gpio_put(LED_PIN, 0);
                 gpio_put(CW_OUT_PIN, 0);
                 m_buzzer.off();
-                m_audioOut.off();
+                //m_audioOut.off();
                 m_previousState = State::Dah;
                 m_state = State::DahPause;
             }
@@ -180,7 +180,7 @@ void Keyer::run()
         gpio_put(LED_PIN, 0);
         gpio_put(CW_OUT_PIN, 0);
         m_buzzer.off();
-        m_audioOut.off();
+        //m_audioOut.off();
         m_keyNextIambicB = false;
         m_currentlyPausing = false;
         m_currentlyKeying = false;
diff --git a/src/keyer.h b/src/keyer.h
index 893a038..1db70ac 100644
--- a/src/keyer.h
+++ b/src/keyer.h
@@ -32,7 +32,7 @@ class Keyer final
     absolute_time_t m_pausing_until {0};
 
     Sidetone m_buzzer;
-    Sidetone m_audioOut;
+    //Sidetone m_audioOut;
 
     State m_state {State::Wait};
     State m_previousState {State::Wait};