diff --git a/src/plugins/multimedia/gstreamer/common/qgst_p.h b/src/plugins/multimedia/gstreamer/common/qgst_p.h
index a7ce0b5fe..9c66b217d 100644
--- a/src/plugins/multimedia/gstreamer/common/qgst_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgst_p.h
@@ -127,7 +127,7 @@ public:
     inline int listSize() const { return gst_value_list_get_size(value); }
     inline QGValue at(int index) const { return gst_value_list_get_value(value, index); }
 
-    Q_MULTIMEDIA_EXPORT QList<QAudioFormat::SampleFormat> getSampleFormats() const;
+     QList<QAudioFormat::SampleFormat> getSampleFormats() const;
 };
 
 class QGstStructure {
@@ -143,9 +143,9 @@ public:
 
     QGValue operator[](const char *name) const { return gst_structure_get_value(structure, name); }
 
-    Q_MULTIMEDIA_EXPORT QSize resolution() const;
-    Q_MULTIMEDIA_EXPORT QVideoFrameFormat::PixelFormat pixelFormat() const;
-    Q_MULTIMEDIA_EXPORT QGRange<float> frameRateRange() const;
+     QSize resolution() const;
+     QVideoFrameFormat::PixelFormat pixelFormat() const;
+     QGRange<float> frameRateRange() const;
 
     QByteArray toString() const
     {
diff --git a/src/plugins/multimedia/gstreamer/common/qgstappsrc_p.h b/src/plugins/multimedia/gstreamer/common/qgstappsrc_p.h
index 0266e0312..ca32cbab4 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstappsrc_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstappsrc_p.h
@@ -30,7 +30,7 @@ QT_BEGIN_NAMESPACE
 
 class QNetworkReply;
 
-class Q_MULTIMEDIA_EXPORT QGstAppSrc  : public QObject
+class QGstAppSrc  : public QObject
 {
     Q_OBJECT
 public:
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreameraudioinput_p.h b/src/plugins/multimedia/gstreamer/common/qgstreameraudioinput_p.h
index 2586898b2..cb7908508 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreameraudioinput_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreameraudioinput_p.h
@@ -29,7 +29,7 @@ QT_BEGIN_NAMESPACE
 class QGstreamerMessage;
 class QAudioDevice;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerAudioInput : public QObject, public QPlatformAudioInput
+class QGstreamerAudioInput : public QObject, public QPlatformAudioInput
 {
     Q_OBJECT
 
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h b/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h
index a44e6589a..cdfb75584 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreameraudiooutput_p.h
@@ -29,7 +29,7 @@ QT_BEGIN_NAMESPACE
 class QGstreamerMessage;
 class QAudioDevice;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerAudioOutput : public QObject, public QPlatformAudioOutput
+class  QGstreamerAudioOutput : public QObject, public QPlatformAudioOutput
 {
     Q_OBJECT
 
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamerbufferprobe_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamerbufferprobe_p.h
index 83604c5d1..cf6e508b1 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamerbufferprobe_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamerbufferprobe_p.h
@@ -23,7 +23,7 @@
 
 QT_BEGIN_NAMESPACE
 
-class Q_MULTIMEDIA_EXPORT QGstreamerBufferProbe
+class  QGstreamerBufferProbe
 {
 public:
     enum Flags
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamermediaplayer_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamermediaplayer_p.h
index 7afad3ba7..ec74ad907 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamermediaplayer_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamermediaplayer_p.h
@@ -34,7 +34,7 @@ class QGstAppSrc;
 class QGstreamerAudioOutput;
 class QGstreamerVideoOutput;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerMediaPlayer
+class  QGstreamerMediaPlayer
     : public QObject,
       public QPlatformMediaPlayer,
       public QGstreamerBusMessageFilter,
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamermessage_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamermessage_p.h
index 04bcfc8d8..8190756a9 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamermessage_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamermessage_p.h
@@ -23,7 +23,7 @@ QT_BEGIN_NAMESPACE
 // Required for QDoc workaround
 class QString;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerMessage
+class  QGstreamerMessage
 {
 public:
     QGstreamerMessage() = default;
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamervideooutput_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamervideooutput_p.h
index 74652aa77..36f3226f1 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamervideooutput_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamervideooutput_p.h
@@ -28,7 +28,7 @@ QT_BEGIN_NAMESPACE
 
 class QVideoSink;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerVideoOutput : public QObject
+class  QGstreamerVideoOutput : public QObject
 {
     Q_OBJECT
 
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamervideooverlay_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamervideooverlay_p.h
index 66345c44c..82a9cceba 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamervideooverlay_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamervideooverlay_p.h
@@ -23,7 +23,7 @@
 QT_BEGIN_NAMESPACE
 class QGstreamerVideoSink;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerVideoOverlay
+class  QGstreamerVideoOverlay
         : public QObject
         , public QGstreamerSyncMessageFilter
         , private QGstreamerBufferProbe
diff --git a/src/plugins/multimedia/gstreamer/common/qgstreamervideosink_p.h b/src/plugins/multimedia/gstreamer/common/qgstreamervideosink_p.h
index e628280e9..09b9a2699 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstreamervideosink_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstreamervideosink_p.h
@@ -31,7 +31,7 @@ QT_BEGIN_NAMESPACE
 class QGstreamerVideoRenderer;
 class QVideoWindow;
 
-class Q_MULTIMEDIA_EXPORT QGstreamerVideoSink
+class  QGstreamerVideoSink
     : public QPlatformVideoSink
 {
     Q_OBJECT
diff --git a/src/plugins/multimedia/gstreamer/common/qgstsubtitlesink_p.h b/src/plugins/multimedia/gstreamer/common/qgstsubtitlesink_p.h
index cd0f9d3ca..083a5ea2d 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstsubtitlesink_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstsubtitlesink_p.h
@@ -29,7 +29,7 @@ QT_BEGIN_NAMESPACE
 
 class QGstreamerVideoSink;
 
-class Q_MULTIMEDIA_EXPORT QGstSubtitleSink
+class  QGstSubtitleSink
 {
 public:
     GstBaseSink parent;
diff --git a/src/plugins/multimedia/gstreamer/common/qgstutils_p.h b/src/plugins/multimedia/gstreamer/common/qgstutils_p.h
index 809505868..02daf1474 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstutils_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstutils_p.h
@@ -35,14 +35,14 @@ class QImage;
 class QVideoFrameFormat;
 
 namespace QGstUtils {
-    Q_MULTIMEDIA_EXPORT QAudioFormat audioFormatForSample(GstSample *sample);
+     QAudioFormat audioFormatForSample(GstSample *sample);
     QAudioFormat audioFormatForCaps(QGstCaps caps);
-    Q_MULTIMEDIA_EXPORT QGstMutableCaps capsForAudioFormat(const QAudioFormat &format);
+     QGstMutableCaps capsForAudioFormat(const QAudioFormat &format);
 
     void setFrameTimeStamps(QVideoFrame *frame, GstBuffer *buffer);
 }
 
-Q_MULTIMEDIA_EXPORT GList *qt_gst_video_sinks();
+ GList *qt_gst_video_sinks();
 
 QT_END_NAMESPACE
 
diff --git a/src/plugins/multimedia/gstreamer/common/qgstvideobuffer_p.h b/src/plugins/multimedia/gstreamer/common/qgstvideobuffer_p.h
index c534dddba..7309db5e5 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstvideobuffer_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstvideobuffer_p.h
@@ -27,7 +27,7 @@ class QVideoFrameFormat;
 class QGstreamerVideoSink;
 class QOpenGLContext;
 
-class Q_MULTIMEDIA_EXPORT QGstVideoBuffer : public QAbstractVideoBuffer
+class  QGstVideoBuffer : public QAbstractVideoBuffer
 {
 public:
 
diff --git a/src/plugins/multimedia/gstreamer/common/qgstvideorenderersink_p.h b/src/plugins/multimedia/gstreamer/common/qgstvideorenderersink_p.h
index 139eaec5e..0f3e845ac 100644
--- a/src/plugins/multimedia/gstreamer/common/qgstvideorenderersink_p.h
+++ b/src/plugins/multimedia/gstreamer/common/qgstvideorenderersink_p.h
@@ -90,7 +90,7 @@ private:
     QGstCaps::MemoryFormat memoryFormat = QGstCaps::CpuMemory;
 };
 
-class Q_MULTIMEDIA_EXPORT QGstVideoRendererSink
+class  QGstVideoRendererSink
 {
 public:
     GstVideoSink parent;