diff --git a/src/corelib/animation/qpropertyanimation.cpp b/src/corelib/animation/qpropertyanimation.cpp
index fc51a20a15..83ae7bafaa 100644
--- a/src/corelib/animation/qpropertyanimation.cpp
+++ b/src/corelib/animation/qpropertyanimation.cpp
@@ -92,7 +92,7 @@
 #include "qanimationgroup.h"
 #include "qpropertyanimation_p.h"
 
-#include <private/qmutexpool_p.h>
+#include <QtCore/QMutex>
 
 #ifndef QT_NO_ANIMATION
 
@@ -268,7 +268,8 @@ void QPropertyAnimation::updateState(QAbstractAnimation::State newState,
     QPropertyAnimation *animToStop = 0;
     {
 #ifndef QT_NO_THREAD
-        QMutexLocker locker(QMutexPool::globalInstanceGet(&staticMetaObject));
+        static QBasicMutex mutex;
+        QMutexLocker locker(&mutex);
 #endif
         typedef QPair<QObject *, QByteArray> QPropertyAnimationPair;
         typedef QHash<QPropertyAnimationPair, QPropertyAnimation*> QPropertyAnimationHash;
diff --git a/src/corelib/animation/qvariantanimation.cpp b/src/corelib/animation/qvariantanimation.cpp
index 2262a3836e..59b2d6abf3 100644
--- a/src/corelib/animation/qvariantanimation.cpp
+++ b/src/corelib/animation/qvariantanimation.cpp
@@ -45,7 +45,6 @@
 #include <QtCore/qrect.h>
 #include <QtCore/qline.h>
 #include <QtCore/qmutex.h>
-#include <private/qmutexpool_p.h>
 
 #ifndef QT_NO_ANIMATION
 
@@ -399,6 +398,7 @@ void QVariantAnimation::setEasingCurve(const QEasingCurve &easing)
 
 typedef QVector<QVariantAnimation::Interpolator> QInterpolatorVector;
 Q_GLOBAL_STATIC(QInterpolatorVector, registeredInterpolators)
+static QBasicMutex registeredInterpolatorsMutex;
 
 /*!
     \fn void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress))
@@ -435,9 +435,7 @@ void QVariantAnimation::registerInterpolator(QVariantAnimation::Interpolator fun
     // in such an order that we get here with interpolators == NULL,
     // to continue causes the app to crash on exit with a SEGV
     if (interpolators) {
-#ifndef QT_NO_THREAD
-        QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
-#endif
+        QMutexLocker locker(&registeredInterpolatorsMutex);
         if (int(interpolationType) >= interpolators->count())
             interpolators->resize(int(interpolationType) + 1);
         interpolators->replace(interpolationType, func);
@@ -452,14 +450,14 @@ template<typename T> static inline QVariantAnimation::Interpolator castToInterpo
 
 QVariantAnimation::Interpolator QVariantAnimationPrivate::getInterpolator(int interpolationType)
 {
-    QInterpolatorVector *interpolators = registeredInterpolators();
-#ifndef QT_NO_THREAD
-    QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
-#endif
-    QVariantAnimation::Interpolator ret = 0;
-    if (interpolationType < interpolators->count()) {
-        ret = interpolators->at(interpolationType);
-        if (ret) return ret;
+    {
+        QInterpolatorVector *interpolators = registeredInterpolators();
+        QMutexLocker locker(&registeredInterpolatorsMutex);
+        QVariantAnimation::Interpolator ret = 0;
+        if (interpolationType < interpolators->count()) {
+            ret = interpolators->at(interpolationType);
+            if (ret) return ret;
+        }
     }
 
     switch(interpolationType)