diff --git a/src/gui/image/qpicture.cpp b/src/gui/image/qpicture.cpp
index fa5cf79bf2..eaf8f8fb1e 100644
--- a/src/gui/image/qpicture.cpp
+++ b/src/gui/image/qpicture.cpp
@@ -1411,7 +1411,7 @@ void qt_init_picture_plugins()
     const PluginKeyMap keyMap = loader.keyMap();
     const PluginKeyMapConstIterator cend = keyMap.constEnd();
     for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cend; ++it) {
-        if (QPictureFormatInterface *format = qobject_cast<QPictureFormatInterface*>(loader.instance(it.key())))
+        if (QPictureFormatPlugin *format = qobject_cast<QPictureFormatPlugin*>(loader.instance(it.key())))
             format->installIOHandler(it.value());
     }
 #endif
diff --git a/src/gui/image/qpictureformatplugin.cpp b/src/gui/image/qpictureformatplugin.cpp
index cb46790d69..d5cbb0c661 100644
--- a/src/gui/image/qpictureformatplugin.cpp
+++ b/src/gui/image/qpictureformatplugin.cpp
@@ -59,21 +59,20 @@ QT_BEGIN_NAMESPACE
     transparently by applications.
 
     Writing an picture format plugin is achieved by subclassing this
-    base class, reimplementing the pure virtual functions keys(),
+    base class, reimplementing the pure virtual functions
     loadPicture(), savePicture(), and installIOHandler(), and
-    exporting the class with the Q_EXPORT_PLUGIN2() macro.
+    exporting the class with the Q_PLUGIN_METADATA() macro.
+
+    The json file containing the metadata should contain one entry
+    with the list of picture formats supported by the plugin:
+
+    \code
+    { "Keys": [ "mypictureformat" ] }
+    \endcode
 
     \sa {How to Create Qt Plugins}
 */
 
-/*!
-    \fn QStringList QPictureFormatPlugin::keys() const
-
-    Returns the list of picture formats this plugin supports.
-
-    \sa installIOHandler()
-*/
-
 /*!
     \fn bool QPictureFormatPlugin::installIOHandler(const QString &format)
 
diff --git a/src/gui/image/qpictureformatplugin.h b/src/gui/image/qpictureformatplugin.h
index 7bcd32b4fd..40042c0d9c 100644
--- a/src/gui/image/qpictureformatplugin.h
+++ b/src/gui/image/qpictureformatplugin.h
@@ -57,27 +57,15 @@ class QImage;
 class QString;
 class QStringList;
 
-struct Q_GUI_EXPORT QPictureFormatInterface : public QFactoryInterface
-{
-    virtual bool loadPicture(const QString &format, const QString &filename, QPicture *) = 0;
-    virtual bool savePicture(const QString &format, const QString &filename, const QPicture &) = 0;
-
-    virtual bool installIOHandler(const QString &) = 0;
-};
-
 #define QPictureFormatInterface_iid "org.qt-project.Qt.QPictureFormatInterface"
-Q_DECLARE_INTERFACE(QPictureFormatInterface, QPictureFormatInterface_iid)
 
-
-class Q_GUI_EXPORT QPictureFormatPlugin : public QObject, public QPictureFormatInterface
+class Q_GUI_EXPORT QPictureFormatPlugin : public QObject
 {
     Q_OBJECT
-    Q_INTERFACES(QPictureFormatInterface:QFactoryInterface)
 public:
     explicit QPictureFormatPlugin(QObject *parent = 0);
     ~QPictureFormatPlugin();
 
-    virtual QStringList keys() const = 0;
     virtual bool loadPicture(const QString &format, const QString &filename, QPicture *pic);
     virtual bool savePicture(const QString &format, const QString &filename, const QPicture &pic);
     virtual bool installIOHandler(const QString &format) = 0;