diff --git a/src/gui/painting/qpaintdevice.cpp b/src/gui/painting/qpaintdevice.cpp
index 4afb89b52e..07991f2d71 100644
--- a/src/gui/painting/qpaintdevice.cpp
+++ b/src/gui/painting/qpaintdevice.cpp
@@ -43,7 +43,6 @@ QT_BEGIN_NAMESPACE
 
 QPaintDevice::QPaintDevice() noexcept
 {
-    reserved = nullptr;
     painters = 0;
 }
 
diff --git a/src/gui/painting/qpaintdevice.h b/src/gui/painting/qpaintdevice.h
index ca5839e513..5a3b6e600e 100644
--- a/src/gui/painting/qpaintdevice.h
+++ b/src/gui/painting/qpaintdevice.h
@@ -49,7 +49,6 @@ QT_BEGIN_NAMESPACE
 
 
 class QPaintEngine;
-class QPaintDevicePrivate;
 
 class Q_GUI_EXPORT QPaintDevice                                // device for QPainter
 {
@@ -100,8 +99,6 @@ protected:
 private:
     Q_DISABLE_COPY(QPaintDevice)
 
-    QPaintDevicePrivate *reserved;
-
     friend class QPainter;
     friend class QPainterPrivate;
     friend class QFontEngineMac;