diff --git a/src/gui/painting/qpaintdevice.cpp b/src/gui/painting/qpaintdevice.cpp
index de21901e239..21c7e406f18 100644
--- a/src/gui/painting/qpaintdevice.cpp
+++ b/src/gui/painting/qpaintdevice.cpp
@@ -21,7 +21,7 @@ QPaintDevice::~QPaintDevice()
     \internal
 */
 // ### Qt 7: Replace this workaround mechanism: virtual devicePixelRatio() and virtual metricF()
-inline double QPaintDevice::getDecodedMetricF(PaintDeviceMetric metricA, PaintDeviceMetric metricB) const
+double QPaintDevice::getDecodedMetricF(PaintDeviceMetric metricA, PaintDeviceMetric metricB) const
 {
     qint32 buf[2];
     // The Encoded metric enum values come in pairs of one odd and one even value.
diff --git a/src/gui/painting/qpaintdevice.h b/src/gui/painting/qpaintdevice.h
index 7011684df7f..e83e97a02c7 100644
--- a/src/gui/painting/qpaintdevice.h
+++ b/src/gui/painting/qpaintdevice.h
@@ -61,7 +61,7 @@ protected:
     virtual void initPainter(QPainter *painter) const;
     virtual QPaintDevice *redirected(QPoint *offset) const;
     virtual QPainter *sharedPainter() const;
-    double getDecodedMetricF(PaintDeviceMetric metricA, PaintDeviceMetric metricB) const;
+    inline double getDecodedMetricF(PaintDeviceMetric metricA, PaintDeviceMetric metricB) const;
 
     ushort        painters;                        // refcount
 private:
@@ -84,7 +84,7 @@ inline int QPaintDevice::devType() const
 inline bool QPaintDevice::paintingActive() const
 { return painters != 0; }
 
-inline int QPaintDevice::encodeMetricF(PaintDeviceMetric metric, double value)
+int QPaintDevice::encodeMetricF(PaintDeviceMetric metric, double value)
 {
     qint32 buf[2];
     Q_STATIC_ASSERT(sizeof(buf) == sizeof(double));