diff --git a/src/gsttools/qgstappsrc.cpp b/src/gsttools/qgstappsrc.cpp
index 148366b3..561a96fc 100644
--- a/src/gsttools/qgstappsrc.cpp
+++ b/src/gsttools/qgstappsrc.cpp
@@ -141,7 +141,7 @@ void QGstAppSrc::pushDataToAppSrc()
 
     if (m_dataRequested && !m_enoughData) {
         qint64 size;
-        if (m_dataRequestSize == ~0)
+        if (m_dataRequestSize == ~0u)
             size = qMin(m_stream->bytesAvailable(), queueSize());
         else
             size = qMin(m_stream->bytesAvailable(), (qint64)m_dataRequestSize);
diff --git a/src/multimedia/audio/qsoundeffect_pulse_p.h b/src/multimedia/audio/qsoundeffect_pulse_p.h
index 9275d97e..9846caee 100644
--- a/src/multimedia/audio/qsoundeffect_pulse_p.h
+++ b/src/multimedia/audio/qsoundeffect_pulse_p.h
@@ -163,13 +163,6 @@ private:
     int m_position;
     QSoundEffectRef *m_ref;
 
-    enum ResourceStatus {
-        NoResources,
-        WaitingResources,
-        GrantedResources,
-        DeniedResources
-    };
-    ResourceStatus m_resourceStatus;
     bool m_resourcesAvailable;
 
     QMediaPlayerResourceSetInterface *m_resources;
diff --git a/src/multimedia/qmediaopenglhelper_p.h b/src/multimedia/qmediaopenglhelper_p.h
index 0dbd79d4..bb445b69 100644
--- a/src/multimedia/qmediaopenglhelper_p.h
+++ b/src/multimedia/qmediaopenglhelper_p.h
@@ -47,7 +47,7 @@
 
 #include <QtGui/QOpenGLContext>
 
-#if defined(Q_OS_WIN) && (defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC))
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) && (defined(QT_OPENGL_ES_2) || defined(QT_OPENGL_DYNAMIC))
 #include <EGL/egl.h>
 #endif
 
diff --git a/src/multimedia/qtmultimediaquicktools_headers/qsgvideonode_p.h b/src/multimedia/qtmultimediaquicktools_headers/qsgvideonode_p.h
index c064f8ed..8be77ff0 100644
--- a/src/multimedia/qtmultimediaquicktools_headers/qsgvideonode_p.h
+++ b/src/multimedia/qtmultimediaquicktools_headers/qsgvideonode_p.h
@@ -43,8 +43,6 @@
 
 QT_BEGIN_NAMESPACE
 
-const QLatin1String QSGVideoNodeFactoryPluginKey("sgvideonodes");
-
 class Q_MULTIMEDIAQUICK_EXPORT QSGVideoNode : public QSGGeometryNode
 {
 public:
diff --git a/src/multimediawidgets/qvideowidget.cpp b/src/multimediawidgets/qvideowidget.cpp
index 8634907c..439e77d0 100644
--- a/src/multimediawidgets/qvideowidget.cpp
+++ b/src/multimediawidgets/qvideowidget.cpp
@@ -306,7 +306,6 @@ QWindowVideoWidgetBackend::QWindowVideoWidgetBackend(
     : m_service(service)
     , m_windowControl(control)
     , m_widget(widget)
-    , m_aspectRatioMode(Qt::KeepAspectRatio)
 {
     connect(control, SIGNAL(brightnessChanged(int)), m_widget, SLOT(_q_brightnessChanged(int)));
     connect(control, SIGNAL(contrastChanged(int)), m_widget, SLOT(_q_contrastChanged(int)));
diff --git a/src/multimediawidgets/qvideowidget_p.h b/src/multimediawidgets/qvideowidget_p.h
index 578fb92a..f447d1f2 100644
--- a/src/multimediawidgets/qvideowidget_p.h
+++ b/src/multimediawidgets/qvideowidget_p.h
@@ -208,7 +208,6 @@ private:
     QMediaService *m_service;
     QVideoWindowControl *m_windowControl;
     QWidget *m_widget;
-    Qt::AspectRatioMode m_aspectRatioMode;
     QSize m_pixelAspectRatio;
 };
 
diff --git a/src/plugins/alsa/qalsaaudioinput.h b/src/plugins/alsa/qalsaaudioinput.h
index 5470c1b6..abf67e2c 100644
--- a/src/plugins/alsa/qalsaaudioinput.h
+++ b/src/plugins/alsa/qalsaaudioinput.h
@@ -153,7 +153,6 @@ private:
     snd_pcm_uframes_t period_frames;
     snd_pcm_access_t access;
     snd_pcm_format_t pcmformat;
-    snd_timestamp_t* timestamp;
     snd_pcm_hw_params_t *hwparams;
     qreal m_volume;
 };
diff --git a/src/plugins/alsa/qalsaaudiooutput.h b/src/plugins/alsa/qalsaaudiooutput.h
index 5b9b45d3..2a245f38 100644
--- a/src/plugins/alsa/qalsaaudiooutput.h
+++ b/src/plugins/alsa/qalsaaudiooutput.h
@@ -132,7 +132,6 @@ private:
     snd_pcm_t* handle;
     snd_pcm_access_t access;
     snd_pcm_format_t pcmformat;
-    snd_timestamp_t* timestamp;
     snd_pcm_hw_params_t *hwparams;
     qreal m_volume;
 };
diff --git a/src/plugins/android/videonode/android_videonode.json b/src/plugins/android/videonode/android_videonode.json
index 08bb12c3..9b359eba 100644
--- a/src/plugins/android/videonode/android_videonode.json
+++ b/src/plugins/android/videonode/android_videonode.json
@@ -1,3 +1,3 @@
 {
-    "Keys": ["sgvideonodes"]
+    "Keys": ["android"]
 }
diff --git a/src/plugins/videonode/egl/egl.json b/src/plugins/videonode/egl/egl.json
index 08bb12c3..54a0519f 100644
--- a/src/plugins/videonode/egl/egl.json
+++ b/src/plugins/videonode/egl/egl.json
@@ -1,3 +1,3 @@
 {
-    "Keys": ["sgvideonodes"]
+    "Keys": ["egl"]
 }
diff --git a/src/plugins/videonode/imx6/imx6.json b/src/plugins/videonode/imx6/imx6.json
index 08bb12c3..2a7fc50c 100644
--- a/src/plugins/videonode/imx6/imx6.json
+++ b/src/plugins/videonode/imx6/imx6.json
@@ -1,3 +1,3 @@
 {
-    "Keys": ["sgvideonodes"]
+    "Keys": ["imx6"]
 }
diff --git a/src/qtmultimediaquicktools/qdeclarativevideooutput_render.cpp b/src/qtmultimediaquicktools/qdeclarativevideooutput_render.cpp
index 3b07e28c..608aae5d 100644
--- a/src/qtmultimediaquicktools/qdeclarativevideooutput_render.cpp
+++ b/src/qtmultimediaquicktools/qdeclarativevideooutput_render.cpp
@@ -55,10 +55,21 @@ QDeclarativeVideoRendererBackend::QDeclarativeVideoRendererBackend(QDeclarativeV
     QObject::connect(m_surface, SIGNAL(surfaceFormatChanged(QVideoSurfaceFormat)),
                      q, SLOT(_q_updateNativeSize()), Qt::QueuedConnection);
 
-    foreach (QObject *instance, videoNodeFactoryLoader()->instances(QSGVideoNodeFactoryPluginKey)) {
+    // Prioritize the plugin requested by the environment
+    QString requestedVideoNode = QString::fromLatin1(qgetenv("QT_VIDEONODE"));
+
+    foreach (const QString &key, videoNodeFactoryLoader()->keys()) {
+        QObject *instance = videoNodeFactoryLoader()->instance(key);
         QSGVideoNodeFactoryInterface* plugin = qobject_cast<QSGVideoNodeFactoryInterface*>(instance);
-        if (plugin)
-            m_videoNodeFactories.append(plugin);
+        if (plugin) {
+            if (key == requestedVideoNode)
+                m_videoNodeFactories.prepend(plugin);
+            else
+                m_videoNodeFactories.append(plugin);
+#ifdef DEBUG_VIDEOITEM
+            qDebug() << "found videonode plugin" << key << plugin;
+#endif
+        }
     }
 
     // Append existing node factories as fallback if we have no plugins
@@ -224,8 +235,12 @@ QSGNode *QDeclarativeVideoRendererBackend::updatePaintNode(QSGNode *oldNode,
         if (!videoNode) {
             foreach (QSGVideoNodeFactoryInterface* factory, m_videoNodeFactories) {
                 videoNode = factory->createNode(m_surface->surfaceFormat());
-                if (videoNode)
+                if (videoNode) {
+#ifdef DEBUG_VIDEOITEM
+                    qDebug() << "using video node from factory" << factory;
+#endif
                     break;
+                }
             }
         }
     }