diff --git a/Tests/kstars_ui/kstars_ui_tests.cpp b/Tests/kstars_ui/kstars_ui_tests.cpp
--- a/Tests/kstars_ui/kstars_ui_tests.cpp
+++ b/Tests/kstars_ui/kstars_ui_tests.cpp
@@ -98,8 +98,10 @@
     QEXPECT_FAIL("", "Precision of KStars local time conversion to local time does not allow strict millisecond comparison.", Continue);
     QCOMPARE(KStars::Instance()->data()->clock()->utc().toLocalTime(), m_InitialConditions.dateTime);
 
+#if QT_VERSION >= 0x050800
     // However comparison down to nearest second is expected to be OK
     QCOMPARE(llround(KStars::Instance()->data()->clock()->utc().toLocalTime().toMSecsSinceEpoch()/1000.0), m_InitialConditions.dateTime.toSecsSinceEpoch());
+#endif
 }
 
 // We want to launch the application before running our tests
diff --git a/Tests/kstars_ui/test_ekos_simulator.cpp b/Tests/kstars_ui/test_ekos_simulator.cpp
--- a/Tests/kstars_ui/test_ekos_simulator.cpp
+++ b/Tests/kstars_ui/test_ekos_simulator.cpp
@@ -52,6 +52,9 @@
 
 void TestEkosSimulator::testMountSlew_data()
 {
+#if QT_VERSION < 0x050900
+    QSKIP("Skipping fixture-based test on old QT version.");
+#else
     QTest::addColumn<QString>("NAME");
     QTest::addColumn<QString>("RA");
     QTest::addColumn<QString>("DEC");
@@ -79,10 +82,14 @@
                     << so->dec().toDMSString();
         }
     }
+#endif
 }
 
 void TestEkosSimulator::testMountSlew()
 {
+#if QT_VERSION < 0x050900
+    QSKIP("Skipping fixture-based test on old QT version.");
+#else
     Ekos::Manager * const ekos = Ekos::Manager::Instance();
 
     QFETCH(QString, NAME);
@@ -149,6 +156,8 @@
         QWARN(QString("Target '%1' slewed to with coordinate offset DEC %2").arg(NAME).arg(DEC).toStdString().c_str());
 
     QVERIFY(Ekos::Manager::Instance()->mountModule()->abort());
+#endif
 }
 
+
 #endif