diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 85af8ee1d254f13e7e9f71479854f963ca699243..e1ccc3f08685b0250c2e5883b9670798f23fa671 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -2022,6 +2022,19 @@ void QXcbWindow::handleMouseEvent(xcb_timestamp_t time, const QPoint &local, con
     QWindowSystemInterface::handleMouseEvent(window(), time, local, global, connection()->buttons(), modifiers);
 }
 
+static bool ignoreLeaveEvent(const xcb_leave_notify_event_t *event)
+{
+    return event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
+            || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL;
+}
+
+static bool ignoreEnterEvent(const xcb_enter_notify_event_t *event)
+{
+    return ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
+            || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
+            || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL);
+}
+
 class EnterEventChecker
 {
 public:
@@ -2033,13 +2046,8 @@ public:
             return false;
 
         xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *)event;
-
-        if ((enter->mode != XCB_NOTIFY_MODE_NORMAL && enter->mode != XCB_NOTIFY_MODE_UNGRAB)
-            || enter->detail == XCB_NOTIFY_DETAIL_VIRTUAL
-            || enter->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
-        {
+        if (ignoreEnterEvent(enter))
             return false;
-        }
 
         return true;
     }
@@ -2052,12 +2060,9 @@ void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
     connection()->handleEnterEvent(event);
 #endif
 
-    if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
-        || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
-        || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
-    {
+    if (ignoreEnterEvent(event))
         return;
-    }
+
     const int dpr = int(devicePixelRatio());
     const QPoint local(event->event_x/dpr, event->event_y/dpr);
     const QPoint global(event->root_x/dpr, event->root_y/dpr);
@@ -2068,12 +2073,8 @@ void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
 {
     connection()->setTime(event->time);
 
-    if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
-        || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
-        || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
-    {
+    if (ignoreLeaveEvent(event))
         return;
-    }
 
     EnterEventChecker checker;
     xcb_enter_notify_event_t *enter = (xcb_enter_notify_event_t *)connection()->checkEvent(checker);
diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
index 44d7671ca343f023d74a1adca063a5f82c036dd3..756b22073eb64d71dead4eae2a66462fd81a809d 100644
--- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
@@ -206,7 +206,6 @@ private slots:
     void enabledPropagation();
     void ignoreKeyEventsWhenDisabled_QTBUG27417();
     void properTabHandlingWhenDisabled_QTBUG27417();
-    void popupEnterLeave();
 #ifndef QT_NO_DRAGANDDROP
     void acceptDropsPropagation();
 #endif
@@ -5001,51 +5000,6 @@ bool verifyColor(QWidget &child, const QRegion &region, const QColor &color, uns
     return true;
 }
 
-void tst_QWidget::popupEnterLeave()
-{
-    QWidget parent;
-    parent.setWindowFlags(Qt::FramelessWindowHint);
-    parent.setGeometry(10, 10, 200, 100);
-
-    ColorWidget alien(&parent, Qt::Widget, Qt::black);
-    alien.setGeometry(0, 0, 10, 10);
-    alien.show();
-
-    parent.show();
-
-    QVERIFY(QTest::qWaitForWindowExposed(&parent));
-
-    QWindowSystemInterface::handleMouseEvent(parent.windowHandle(), QPointF(5, 5), QPointF(), Qt::LeftButton, Qt::NoModifier);
-    QTest::qWait(100);
-    QWindowSystemInterface::handleMouseEvent(parent.windowHandle(), QPointF(5, 5), QPointF(), Qt::NoButton, Qt::NoModifier);
-    QTest::qWait(100);
-
-    QStringList wordList;
-    wordList << "alpha" << "omega" << "omicron" << "zeta";
-
-    QLineEdit popup(&parent);
-
-    QCompleter completer(wordList);
-    completer.setCaseSensitivity(Qt::CaseInsensitive);
-    popup.setCompleter(&completer);
-    popup.setWindowFlags(Qt::Popup);
-    popup.setGeometry(20, 20, 80, 20);
-
-    popup.show();
-
-    QVERIFY(QTest::qWaitForWindowExposed(&popup));
-
-    QTest::qWait(100);
-
-    QWindowSystemInterface::handleMouseEvent(popup.windowHandle(), QPointF(-5, -5), QPointF(), Qt::LeftButton, Qt::NoModifier);
-    QTest::qWait(100);
-    QWindowSystemInterface::handleMouseEvent(popup.windowHandle(), QPointF(-5, -5), QPointF(), Qt::NoButton, Qt::NoModifier);
-    QTest::qWait(100);
-
-    QTest::qWait(1000);
-    QVERIFY(!popup.underMouse());
-}
-
 void tst_QWidget::moveChild_data()
 {
     QTest::addColumn<QPoint>("offset");