diff --git a/src/AudioOutput.cc b/src/AudioOutput.cc
deleted file mode 100644
index 8f82f7d91fc11d1e89e8c475f8b84efb36a7157b..0000000000000000000000000000000000000000
--- a/src/AudioOutput.cc
+++ /dev/null
@@ -1,162 +0,0 @@
-#include "AudioOutput.h"
-
-#ifdef Q_OS_MAC
-#include <ApplicationServices/ApplicationServices.h>
-#else
-#include <flite.h>
-#include <phonon/mediaobject.h>
-#include <QTemporaryFile>
-#endif
-
-#include <QDebug>
-
-#ifndef Q_OS_MAC
-extern "C" {
-#include <cmu_us_awb/voxdefs.h>
-    //#include <cmu_us_slt/voxdefs.h>
-    //cst_voice *REGISTER_VOX(const char *voxdir);
-    //void UNREGISTER_VOX(cst_voice *vox);
-    cst_voice *register_cmu_us_awb(const char *voxdir);
-    void unregister_cmu_us_awb(cst_voice *vox);
-    cst_voice *register_cmu_us_slt(const char *voxdir);
-    void unregister_cmu_us_slt(cst_voice *vox);
-    cst_voice *register_cmu_us_rms(const char *voxdir);
-    void unregister_cmu_us_rms(cst_voice *vox);
-};
-#endif
-
-AudioOutput::AudioOutput(QString voice, QObject* parent)
-    : QObject(parent),
-      voice(NULL),
-      voiceIndex(0)
-{
-#if !defined(Q_OS_WIN32) && !defined(Q_OS_MAC)
-    flite_init();
-#endif
-
-    switch (voiceIndex) {
-    case 0:
-        selectFemaleVoice();
-        break;
-    case 1:
-        selectMaleVoice();
-        break;
-    default:
-        selectNeutralVoice();
-        break;
-    }
-
-    /*
-    // List available voices
-    QStringList voices = listVoices();
-    foreach (QString s, voices)
-    {
-        qDebug() << "VOICE: " << s;
-    }
-
-    if (voice.length() > 0)
-    {
-        //this->voice = flite_voice_select(voice.toStdString().c_str());
-    }
-    else
-    {
-        // Take default voice
-        //this->voice = flite_voice_select("awb");
-    }
-    */
-}
-
-bool AudioOutput::say(QString text, int severity)
-{
-    // Only give speech output on Linux and MacOS
-#if defined(Q_OS_WIN32)
-    qDebug() << "Synthesized: " << text << ", NO OUTPUT SUPPORT ON WINDOWS!";
-#elif defined(Q_OS_MAC)
-    // FIXME, copy string, set callback to free the copy
-    SpeakString((const unsigned char*)text.toAscii().data());
-    qDebug() << "Synthesized: " << text;
-#else
-    QTemporaryFile file;
-    file.setFileTemplate("XXXXXX.wav");
-    if (file.open()) {
-        cst_wave* wav = flite_text_to_wave(text.toStdString().c_str(), this->voice);
-        // file.fileName() returns the unique file name
-        cst_wave_save(wav, file.fileName().toStdString().c_str(), "riff");
-        Phonon::MediaObject *music =
-            Phonon::createPlayer(Phonon::MusicCategory,
-                                 Phonon::MediaSource(file.fileName().toStdString().c_str()));
-        music->play();
-        qDebug() << "Synthesized: " << text << ", tmp file:" << file.fileName().toStdString().c_str();
-    }
-#endif
-    return true;
-}
-
-bool AudioOutput::alert(QString text)
-{
-    // Play alert sound
-
-    // Say alert message
-    return say(text, 2);
-}
-
-bool AudioOutput::startEmergency()
-{
-    return false;
-}
-
-bool AudioOutput::stopEmergency()
-{
-    return false;
-}
-
-void AudioOutput::selectFemaleVoice()
-{
-#if !defined(Q_OS_WIN32) && !defined(Q_OS_MAC)
-    this->voice = register_cmu_us_slt(NULL);
-#endif
-}
-
-void AudioOutput::selectMaleVoice()
-{
-#if !defined(Q_OS_WIN32) && !defined(Q_OS_MAC)
-    this->voice = register_cmu_us_rms(NULL);
-#endif
-}
-
-
-void AudioOutput::selectNeutralVoice()
-{
-#if !defined(Q_OS_WIN32) && !defined(Q_OS_MAC)
-    this->voice = register_cmu_us_awb(NULL);
-#endif
-}
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-    QStringList AudioOutput::listVoices(void)
-    {
-        QStringList l;
-#if !defined(Q_OS_WIN32) && !defined(Q_OS_MAC)
-        cst_voice *voice;
-        const cst_val *v;
-
-        /*
-        printf("Voices available: ");
-        for (v=flite_voice_list; v; v=val_cdr(v))
-        {
-            voice = val_voice(val_car(v));
-            QString s;
-            s.sprintf("%s",voice->name);
-            printf("%s",voice->name);
-            l.append(s);
-        }
-        printf("\n");
-        */
-#endif
-        return l;
-    }
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */