diff --git a/src/libs/utils/detailsbutton.cpp b/src/libs/utils/detailsbutton.cpp
index 6b874d12e2e..e225b8c5402 100644
--- a/src/libs/utils/detailsbutton.cpp
+++ b/src/libs/utils/detailsbutton.cpp
@@ -57,12 +57,7 @@ FadingPanel::FadingPanel(QWidget *parent) :
     setPalette(pal);
 }
 
-void FadingPanel::setOpacity(qreal value)
-{
-    m_opacityEffect->setOpacity(value);
-}
-
-void FadingPanel::fadeTo(float value)
+void FadingPanel::fadeTo(qreal value)
 {
     QPropertyAnimation *animation = new QPropertyAnimation(m_opacityEffect, "opacity");
     animation->setDuration(200);
diff --git a/src/libs/utils/detailsbutton.h b/src/libs/utils/detailsbutton.h
index 707cf040e93..80fe53e5c6f 100644
--- a/src/libs/utils/detailsbutton.h
+++ b/src/libs/utils/detailsbutton.h
@@ -46,8 +46,7 @@ class QTCREATOR_UTILS_EXPORT FadingPanel : public QWidget
 {
 public:
     FadingPanel(QWidget *parent = 0);
-    void setOpacity(qreal value);
-    void fadeTo(float value);
+    void fadeTo(qreal value);
 protected:
     QGraphicsOpacityEffect *m_opacityEffect;
 };
@@ -55,14 +54,11 @@ protected:
 class QTCREATOR_UTILS_EXPORT DetailsButton : public QAbstractButton
 {
     Q_OBJECT
-    Q_PROPERTY(float fader READ fader WRITE setFader)
 
 public:
     DetailsButton(QWidget *parent = 0);
 
     QSize sizeHint() const;
-    float fader() { return m_fader; }
-    void setFader(float value) { m_fader = value; update(); }
 
 protected:
     void paintEvent(QPaintEvent *e);