diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 7345055dee..7916609dd7 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -1265,12 +1265,6 @@ void QCommonStylePrivate::tabLayout(const QStyleOptionTab *opt, const QWidget *w
 #endif // QT_CONFIG(tabbar)
 
 #if QT_CONFIG(animation)
-/*! \internal */
-QList<const QObject*> QCommonStylePrivate::animationTargets() const
-{
-    return animations.keys();
-}
-
 /*! \internal */
 QStyleAnimation * QCommonStylePrivate::animation(const QObject *target) const
 {
@@ -1282,7 +1276,9 @@ void QCommonStylePrivate::startAnimation(QStyleAnimation *animation) const
 {
     Q_Q(const QCommonStyle);
     stopAnimation(animation->target());
-    q->connect(animation, SIGNAL(destroyed()), SLOT(_q_removeAnimation()), Qt::UniqueConnection);
+    QObjectPrivate::connect(animation, &QStyleAnimation::destroyed,
+                            this, &QCommonStylePrivate::removeAnimation,
+                            Qt::UniqueConnection);
     animations.insert(animation->target(), animation);
     animation->start();
 }
@@ -1298,7 +1294,7 @@ void QCommonStylePrivate::stopAnimation(const QObject *target) const
 }
 
 /*! \internal */
-void QCommonStylePrivate::_q_removeAnimation()
+void QCommonStylePrivate::removeAnimation()
 {
     Q_Q(QCommonStyle);
     QObject *animation = q->sender();
diff --git a/src/widgets/styles/qcommonstyle.h b/src/widgets/styles/qcommonstyle.h
index d6485c6015..40ed13d453 100644
--- a/src/widgets/styles/qcommonstyle.h
+++ b/src/widgets/styles/qcommonstyle.h
@@ -61,9 +61,6 @@ protected:
 private:
     Q_DECLARE_PRIVATE(QCommonStyle)
     Q_DISABLE_COPY(QCommonStyle)
-#if QT_CONFIG(animation)
-    Q_PRIVATE_SLOT(d_func(), void _q_removeAnimation())
-#endif
 };
 
 QT_END_NAMESPACE
diff --git a/src/widgets/styles/qcommonstyle_p.h b/src/widgets/styles/qcommonstyle_p.h
index bd35dd4cfc..b9f32230f9 100644
--- a/src/widgets/styles/qcommonstyle_p.h
+++ b/src/widgets/styles/qcommonstyle_p.h
@@ -92,12 +92,10 @@ public:
 
     int animationFps;
 #if QT_CONFIG(animation)
-    void _q_removeAnimation();
-
-    QList<const QObject*> animationTargets() const;
     QStyleAnimation* animation(const QObject *target) const;
     void startAnimation(QStyleAnimation *animation) const;
     void stopAnimation(const QObject *target) const;
+    void removeAnimation();
 
 private:
     mutable QHash<const QObject*, QStyleAnimation*> animations;