diff --git a/tests/testlib/fakejob.cpp b/tests/testlib/fakejob.cpp
--- a/tests/testlib/fakejob.cpp
+++ b/tests/testlib/fakejob.cpp
@@ -40,7 +40,7 @@
 {
     if (!m_launched) {
         m_launched = true;
-        QTimer::singleShot(DURATION, this, SLOT(onTimeout()));
+        QTimer::singleShot(DURATION, Qt::PreciseTimer, this, SLOT(onTimeout()));
     }
 }
 
diff --git a/tests/testlib/monitorspy.cpp b/tests/testlib/monitorspy.cpp
--- a/tests/testlib/monitorspy.cpp
+++ b/tests/testlib/monitorspy.cpp
@@ -42,6 +42,8 @@
       m_timer(new QTimer(this)),
       m_isFinished(false)
 {
+    m_timer->setTimerType(Qt::PreciseTimer);
+
     connect(m_monitor, SIGNAL(collectionAdded(Akonadi::Collection)), this, SLOT(restartTimer()));
     connect(m_monitor, SIGNAL(collectionRemoved(Akonadi::Collection)), this, SLOT(restartTimer()));
     connect(m_monitor, SIGNAL(collectionChanged(Akonadi::Collection)), this, SLOT(restartTimer()));
diff --git a/tests/units/testlib/monitorspytest.cpp b/tests/units/testlib/monitorspytest.cpp
--- a/tests/units/testlib/monitorspytest.cpp
+++ b/tests/units/testlib/monitorspytest.cpp
@@ -36,7 +36,7 @@
     TimerTest(AkonadiFakeMonitor *monitor, int duration)
         : m_monitor(monitor)
     {
-        QTimer::singleShot(duration, this, SLOT(addItem()));
+        QTimer::singleShot(duration, Qt::PreciseTimer, this, SLOT(addItem()));
     }
 
 private slots:
diff --git a/tests/units/widgets/newprojectdialogtest.cpp b/tests/units/widgets/newprojectdialogtest.cpp
--- a/tests/units/widgets/newprojectdialogtest.cpp
+++ b/tests/units/widgets/newprojectdialogtest.cpp
@@ -45,7 +45,7 @@
     void exec()
     {
         Q_ASSERT(dialog);
-        QTimer::singleShot(50, this, SLOT(onTimeout()));
+        QTimer::singleShot(50, Qt::PreciseTimer, this, SLOT(onTimeout()));
         dialog->exec();
     }