diff --git a/widgets/slider.cpp b/widgets/slider.cpp
index 443461492..6aa9be2b3 100644
--- a/widgets/slider.cpp
+++ b/widgets/slider.cpp
@@ -43,25 +43,11 @@ public:
 };
 
 
-Slider::Slider(Qt::Orientation orientation, QGraphicsWidget *parent)
-    : QGraphicsProxyWidget(parent),
-      d(0)
-{
-    QSlider* native = new QSlider;
-
-    connect(native, SIGNAL(sliderMoved(int)), this, SIGNAL(sliderMoved(int)));
-    connect(native, SIGNAL(valueChanged(int)), this, SIGNAL(valueChanged(int)));
-
-    setWidget(native);
-    native->setAttribute(Qt::WA_NoSystemBackground);
-    native->setOrientation(orientation);
-}
-
 Slider::Slider(QGraphicsWidget *parent)
     : QGraphicsProxyWidget(parent),
       d(0)
 {
-    QSlider* native = new QSlider;
+    QSlider *native = new QSlider;
 
     connect(native, SIGNAL(sliderMoved(int)), this, SIGNAL(sliderMoved(int)));
     connect(native, SIGNAL(valueChanged(int)), this, SIGNAL(valueChanged(int)));
diff --git a/widgets/slider.h b/widgets/slider.h
index b72039267..077d6d225 100644
--- a/widgets/slider.h
+++ b/widgets/slider.h
@@ -45,8 +45,6 @@ class PLASMA_EXPORT Slider : public QGraphicsProxyWidget
     Q_PROPERTY(QSlider* nativeWidget READ nativeWidget)
 
 public:
-    explicit Slider(Qt::Orientation orientation = Qt::Vertical,
-                    QGraphicsWidget *parent = 0);
     explicit Slider(QGraphicsWidget *parent = 0);
     ~Slider();