diff --git a/include/song_editor.h b/include/song_editor.h
index af10cd51c..ef53d7d00 100644
--- a/include/song_editor.h
+++ b/include/song_editor.h
@@ -56,7 +56,7 @@ class songEditor : public TrackContainerView
 {
 	Q_OBJECT
 public:
-	songEditor( song * _song, songEditor * & _engine_ptr );
+	songEditor( song * _song );
 	virtual ~songEditor();
 
 
diff --git a/src/core/engine.cpp b/src/core/engine.cpp
index 575f0b474..e39fdede4 100644
--- a/src/core/engine.cpp
+++ b/src/core/engine.cpp
@@ -1,5 +1,3 @@
-#ifndef SINGLE_SOURCE_COMPILE
-
 /*
  * engine.cpp - implementation of LMMS' engine-system
  *
@@ -91,7 +89,7 @@ void engine::init( const bool _has_gui )
 	if( s_hasGUI )
 	{
 		s_mainWindow = new MainWindow;
-		s_songEditor = new songEditor( s_song, s_songEditor );
+		s_songEditor = new songEditor( s_song );
 		s_fxMixerView = new FxMixerView;
 		s_controllerRackView = new ControllerRackView;
 		s_projectNotes = new projectNotes;
@@ -190,6 +188,3 @@ void engine::initPluginFileHandling()
 }
 
 
-
-
-#endif
diff --git a/src/gui/song_editor.cpp b/src/gui/song_editor.cpp
index 822ef8bc4..ee4d05daf 100644
--- a/src/gui/song_editor.cpp
+++ b/src/gui/song_editor.cpp
@@ -75,14 +75,12 @@ void positionLine::paintEvent( QPaintEvent * _pe )
 
 
 
-songEditor::songEditor( song * _song, songEditor * & _engine_ptr ) :
+songEditor::songEditor( song * _song ) :
 	TrackContainerView( _song ),
 	m_s( _song ),
 	m_scrollBack( false ),
 	m_smoothScroll( configManager::inst()->value( "ui", "smoothscroll" ).toInt() )
 {
-	_engine_ptr = this;
-
 	setWindowTitle( tr( "Song-Editor" ) );
 	setWindowIcon( embed::getIconPixmap( "songeditor" ) );