diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
index 7d69564..21a2ebd 100644
--- a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
@@ -102,6 +102,13 @@ void QXcbNativeInterface::beep() // For QApplication::beep()
     xcb_bell(connection, 0);
 }
 
+void QXcbNativeInterface::clearArea(const QWindow *window, int x, int y, int width, int height)
+{
+    QPlatformScreen *screen = QGuiApplication::primaryScreen()->handle();
+    xcb_connection_t *connection = static_cast<QXcbScreen *>(screen)->xcb_connection();
+    xcb_clear_area(connection, 0, window->winId(), x, y, width, height);
+}
+
 static inline QXcbSystemTrayTracker *systemTrayTracker(const QScreen *s)
 {
     return static_cast<const QXcbScreen *>(s->handle())->connection()->systemTrayTracker();
diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.h b/src/plugins/platforms/xcb/qxcbnativeinterface.h
index 9c4fa44..22cdeca 100644
--- a/src/plugins/platforms/xcb/qxcbnativeinterface.h
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.h
@@ -100,6 +100,7 @@ public:
     static void *glxContextForContext(QOpenGLContext *context);
 
     Q_INVOKABLE void beep();
+    Q_INVOKABLE void clearArea(const QWindow *window, int x, int y, int width, int height);
     Q_INVOKABLE bool systemTrayAvailable(const QScreen *screen) const;
     Q_INVOKABLE bool requestSystemTrayWindowDock(const QWindow *window);
     Q_INVOKABLE QRect systemTrayWindowGlobalGeometry(const QWindow *window);
diff --git a/src/widgets/util/qsystemtrayicon_x11.cpp b/src/widgets/util/qsystemtrayicon_x11.cpp
index 347e570..0f868bb 100644
--- a/src/widgets/util/qsystemtrayicon_x11.cpp
+++ b/src/widgets/util/qsystemtrayicon_x11.cpp
@@ -195,12 +195,24 @@ bool QSystemTrayIconSys::event(QEvent *e)
 
 void QSystemTrayIconSys::paintEvent(QPaintEvent *)
 {
-    // Note: Transparent pixels require a particular Visual which XCB
-    // currently does not support yet.
+    // Note: Transparent pixels require a particular Visual which no one
+    // implemented support for in the XCB QPA yet.
     const QRect rect(QPoint(0, 0), geometry().size());
     QPainter painter(this);
     painter.setCompositionMode(QPainter::CompositionMode_Source);
+#if 1
+    // Partly stolen from qt4
+    const QRegion oldSystemClip = painter.paintEngine()->systemClip();
+    const QRect clearedRect = oldSystemClip.boundingRect();
+    QMetaObject::invokeMethod(QGuiApplication::platformNativeInterface(),
+                              "clearArea", Qt::DirectConnection,
+                              Q_ARG(const QWindow *, windowHandle()),
+                              Q_ARG(int, clearedRect.x()), Q_ARG(int, clearedRect.y()),
+                              Q_ARG(int, clearedRect.width()), Q_ARG(int, clearedRect.height()));
+    painter.drawPixmap(QPoint(0, 0), QGuiApplication::primaryScreen()->grabWindow(winId(), 0, 0, rect.size().width(), rect.size().height()));
+#else
     painter.fillRect(rect, Qt::transparent);
+#endif
     painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
     q->icon().paint(&painter, rect);
 }