diff --git a/src/gui/animation/qabstractanimation.cpp b/src/gui/animation/qabstractanimation.cpp
index 2d64cd194..9c648132b 100644
--- a/src/gui/animation/qabstractanimation.cpp
+++ b/src/gui/animation/qabstractanimation.cpp
@@ -398,7 +398,7 @@ void QAbstractAnimationPrivate::setState(QAbstractAnimation::State newState)
     if (oldState == QAbstractAnimation::Running) {
         if (newState == QAbstractAnimation::Paused && hasRegisteredTimer)
             QUnifiedTimer::ensureTimerUpdate();
-        //the animation, is not running any more
+        // the animation is not running any more
         QUnifiedTimer::unregisterAnimation(q);
     } else if (newState == QAbstractAnimation::Running) {
         QUnifiedTimer::registerAnimation(q, isTopLevel);
diff --git a/src/gui/animation/qabstractanimation_p.h b/src/gui/animation/qabstractanimation_p.h
index 7246ee4ed..bb891feb3 100644
--- a/src/gui/animation/qabstractanimation_p.h
+++ b/src/gui/animation/qabstractanimation_p.h
@@ -114,12 +114,11 @@ private:
     QBasicTimer m_timer;
 };
 
-class Q_GUI_EXPORT QUnifiedTimer : public QObject
+class QUnifiedTimer : public QObject
 {
 public:
     QUnifiedTimer();
 
-    //XXX this is needed by dui
     static QUnifiedTimer *instance();
 
     static void registerAnimation(QAbstractAnimation *animation, bool isTopLevel);