3 files changed, 3 insertions, 13 deletions
diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
index 52b4ffa7a9..d725d49082 100644
--- a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
@@ -54,7 +54,6 @@
 #include <QtGui/qscreen.h>
 
 #include <QtPlatformHeaders/private/qxcbwindowfunctions_p.h>
-#include <QtPlatformHeaders/private/qxcbscreenfunctions_p.h>
 
 #include <stdio.h>
 
@@ -329,9 +328,6 @@ QFunctionPointer QXcbNativeInterface::platformFunction(const QByteArray &functio
         return QFunctionPointer(QXcbWindowFunctions::VisualId(QXcbWindow::visualIdStatic));
     }
 
-    if (function == QXcbScreenFunctions::virtualDesktopNumberIdentifier())
-        return QFunctionPointer(QXcbScreenFunctions::VirtualDesktopNumber(reinterpret_cast<void *>(QXcbScreen::virtualDesktopNumberStatic)));
-
     return nullptr;
 }
 
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp
index 505f7343ce..9dc7c97eab 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.cpp
+++ b/src/plugins/platforms/xcb/qxcbscreen.cpp
@@ -702,14 +702,6 @@ void QXcbScreen::setOutput(xcb_randr_output_t outputId,
     // TODO: Send an event to the QScreen instance that the screen changed its name
 }
 
-int QXcbScreen::virtualDesktopNumberStatic(const QScreen *screen)
-{
-    if (screen && screen->handle())
-        return static_cast<const QXcbScreen *>(screen->handle())->screenNumber();
-
-    return 0;
-}
-
 void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp)
 {
     if (!connection()->hasXRandr())
diff --git a/src/plugins/platforms/xcb/qxcbscreen.h b/src/plugins/platforms/xcb/qxcbscreen.h
index 8a90d61b98..60ef82bae3 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.h
+++ b/src/plugins/platforms/xcb/qxcbscreen.h
@@ -41,6 +41,7 @@
 #define QXCBSCREEN_H
 
 #include <qpa/qplatformscreen.h>
+#include <qpa/qplatformscreen_p.h>
 #include <QtCore/QString>
 
 #include <xcb/xcb.h>
@@ -137,6 +138,7 @@ private:
 };
 
 class Q_XCB_EXPORT QXcbScreen : public QXcbObject, public QPlatformScreen
+                              , public QPlatformInterface::Private::QXcbScreen
 {
 public:
     QXcbScreen(QXcbConnection *connection, QXcbVirtualDesktop *virtualDesktop,
@@ -171,7 +173,7 @@ public:
     bool isPrimary() const { return m_primary; }
 
     int screenNumber() const { return m_virtualDesktop->number(); }
-    static int virtualDesktopNumberStatic(const QScreen *screen);
+    int virtualDesktopNumber() const override { return screenNumber(); }
 
     xcb_screen_t *screen() const { return m_virtualDesktop->screen(); }
     xcb_window_t root() const { return screen()->root; }