diff --git a/core/audioplayer.h b/core/audioplayer.h
--- a/core/audioplayer.h
+++ b/core/audioplayer.h
@@ -81,7 +81,6 @@
         friend class Document;
 
         Q_DISABLE_COPY( AudioPlayer )
-        Q_PRIVATE_SLOT( d, void finished( int ) )
 };
 
 }
diff --git a/core/audioplayer.cpp b/core/audioplayer.cpp
--- a/core/audioplayer.cpp
+++ b/core/audioplayer.cpp
@@ -87,7 +87,6 @@
 AudioPlayerPrivate::AudioPlayerPrivate( AudioPlayer * qq )
     : q( qq ), m_state( AudioPlayer::StoppedState )
 {
-    QObject::connect( &m_mapper, SIGNAL(mapped(int)), q, SLOT(finished(int)) );
 }
 
 AudioPlayerPrivate::~AudioPlayerPrivate()
@@ -128,7 +127,9 @@
             if ( !url.isEmpty() )
             {
                 int newid = newId();
-                m_mapper.setMapping( data->m_mediaobject, newid );
+                QObject::connect( data->m_mediaobject, &Phonon::MediaObject::finished, q, [this, newid]() {
+                    finished(newid);
+                });
                 QUrl newurl;
                 if ( QUrl::fromUserInput(url).isRelative() )
                 {
@@ -153,7 +154,9 @@
             {
                 qCDebug(OkularCoreDebug) << "Mediaobject:" << data->m_mediaobject;
                 int newid = newId();
-                m_mapper.setMapping( data->m_mediaobject, newid );
+                QObject::connect( data->m_mediaobject, &Phonon::MediaObject::finished, q, [this, newid]() {
+                    finished(newid);
+                });
                 data->m_buffer = new QBuffer();
                 data->m_buffer->setData( filedata );
                 data->m_mediaobject->setCurrentSource( Phonon::MediaSource( data->m_buffer ) );
@@ -170,7 +173,6 @@
     }
     if ( data )
     {
-        QObject::connect( data->m_mediaobject, SIGNAL(finished()), &m_mapper, SLOT(map()) );
         qCDebug(OkularCoreDebug) << "PLAY";
         data->play();
         m_state = AudioPlayer::PlayingState;
@@ -200,7 +202,6 @@
     }
     else
     {
-        m_mapper.removeMappings( it.value()->m_mediaobject );
         delete it.value();
         m_playing.erase( it );
         m_state = AudioPlayer::StoppedState;
diff --git a/core/audioplayer_p.h b/core/audioplayer_p.h
--- a/core/audioplayer_p.h
+++ b/core/audioplayer_p.h
@@ -12,7 +12,6 @@
 
 // qt/kde includes
 #include <qhash.h>
-#include <qsignalmapper.h>
 #include <QUrl>
 
 class QBuffer;
@@ -34,13 +33,11 @@
     bool play( const SoundInfo& si );
     void stopPlayings();
 
-    // private slots
     void finished( int );
 
     AudioPlayer * q;
 
     QHash< int, PlayData * > m_playing;
-    QSignalMapper m_mapper;
     QUrl m_currentDocument;
     AudioPlayer::State m_state;
 };