diff --git a/ext/pulse/pulsedeviceprovider.h b/ext/pulse/pulsedeviceprovider.h
index 7bcd1bc47c..b2609704ae 100644
--- a/ext/pulse/pulsedeviceprovider.h
+++ b/ext/pulse/pulsedeviceprovider.h
@@ -34,16 +34,10 @@
 
 G_BEGIN_DECLS
 
-typedef struct _GstPulseDeviceProvider GstPulseDeviceProvider;
-typedef struct _GstPulseDeviceProviderClass GstPulseDeviceProviderClass;
-
-#define GST_TYPE_PULSE_DEVICE_PROVIDER                 (gst_pulse_device_provider_get_type())
-#define GST_IS_PULSE_DEVICE_PROVIDER(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PULSE_DEVICE_PROVIDER))
-#define GST_IS_PULSE_DEVICE_PROVIDER_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PULSE_DEVICE_PROVIDER))
-#define GST_PULSE_DEVICE_PROVIDER_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PULSE_DEVICE_PROVIDER, GstPulseDeviceProviderClass))
-#define GST_PULSE_DEVICE_PROVIDER(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PULSE_DEVICE_PROVIDER, GstPulseDeviceProvider))
-#define GST_PULSE_DEVICE_PROVIDER_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstPulseDeviceProviderClass))
-#define GST_PULSE_DEVICE_PROVIDER_CAST(obj)            ((GstPulseDeviceProvider *)(obj))
+#define GST_TYPE_PULSE_DEVICE_PROVIDER (gst_pulse_device_provider_get_type())
+G_DECLARE_FINAL_TYPE (GstPulseDeviceProvider, gst_pulse_device_provider,
+    GST, PULSE_DEVICE_PROVIDER, GstDeviceProvider)
+#define GST_PULSE_DEVICE_PROVIDER_CAST(obj) ((GstPulseDeviceProvider *)(obj))
 
 struct _GstPulseDeviceProvider {
   GstDeviceProvider         parent;
@@ -62,23 +56,11 @@ typedef enum {
   GST_PULSE_DEVICE_TYPE_SINK
 } GstPulseDeviceType;
 
-struct _GstPulseDeviceProviderClass {
-  GstDeviceProviderClass    parent_class;
-};
 
-GType        gst_pulse_device_provider_get_type (void);
-
-
-typedef struct _GstPulseDevice GstPulseDevice;
-typedef struct _GstPulseDeviceClass GstPulseDeviceClass;
-
-#define GST_TYPE_PULSE_DEVICE                 (gst_pulse_device_get_type())
-#define GST_IS_PULSE_DEVICE(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PULSE_DEVICE))
-#define GST_IS_PULSE_DEVICE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PULSE_DEVICE))
-#define GST_PULSE_DEVICE_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PULSE_DEVICE, GstPulseDeviceClass))
-#define GST_PULSE_DEVICE(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PULSE_DEVICE, GstPulseDevice))
-#define GST_PULSE_DEVICE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstPulseDeviceClass))
-#define GST_PULSE_DEVICE_CAST(obj)            ((GstPulseDevice *)(obj))
+#define GST_TYPE_PULSE_DEVICE (gst_pulse_device_get_type())
+G_DECLARE_FINAL_TYPE (GstPulseDevice, gst_pulse_device, GST, PULSE_DEVICE,
+    GstDevice)
+#define GST_PULSE_DEVICE_CAST(obj) ((GstPulseDevice *)(obj))
 
 struct _GstPulseDevice {
   GstDevice         parent;
@@ -90,12 +72,6 @@ struct _GstPulseDevice {
   const gchar      *element;
 };
 
-struct _GstPulseDeviceClass {
-  GstDeviceClass    parent_class;
-};
-
-GType        gst_pulse_device_get_type (void);
-
 G_END_DECLS
 
 #endif /* __GST_PULSE_DEVICE_PROVIDER_H__ */
diff --git a/ext/pulse/pulsesink.h b/ext/pulse/pulsesink.h
index de3b932815..86f3dcdbb7 100644
--- a/ext/pulse/pulsesink.h
+++ b/ext/pulse/pulsesink.h
@@ -39,21 +39,10 @@
 
 G_BEGIN_DECLS
 
-#define GST_TYPE_PULSESINK \
-  (gst_pulsesink_get_type())
-#define GST_PULSESINK(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PULSESINK,GstPulseSink))
-#define GST_PULSESINK_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PULSESINK,GstPulseSinkClass))
-#define GST_IS_PULSESINK(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PULSESINK))
-#define GST_IS_PULSESINK_CLASS(obj) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PULSESINK))
-#define GST_PULSESINK_CAST(obj) \
-  ((GstPulseSink *)(obj))
-
-typedef struct _GstPulseSink GstPulseSink;
-typedef struct _GstPulseSinkClass GstPulseSinkClass;
+#define GST_TYPE_PULSESINK (gst_pulsesink_get_type())
+G_DECLARE_FINAL_TYPE (GstPulseSink, gst_pulsesink, GST, PULSESINK,
+    GstAudioBaseSink)
+#define GST_PULSESINK_CAST(obj) ((GstPulseSink *)(obj))
 
 typedef struct _GstPulseDeviceInfo {
   gchar *description;
@@ -87,13 +76,6 @@ struct _GstPulseSink
   GstClockTime format_lost_time;
 };
 
-struct _GstPulseSinkClass
-{
-  GstAudioBaseSinkClass parent_class;
-};
-
-GType gst_pulsesink_get_type (void);
-
 #define PULSE_SINK_TEMPLATE_CAPS \
   _PULSE_CAPS_PCM \
   _PULSE_CAPS_AC3 \
diff --git a/ext/pulse/pulsesrc.h b/ext/pulse/pulsesrc.h
index efa7d97edc..c532afb189 100644
--- a/ext/pulse/pulsesrc.h
+++ b/ext/pulse/pulsesrc.h
@@ -32,21 +32,9 @@
 
 G_BEGIN_DECLS
 
-#define GST_TYPE_PULSESRC \
-  (gst_pulsesrc_get_type())
-#define GST_PULSESRC(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PULSESRC,GstPulseSrc))
-#define GST_PULSESRC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PULSESRC,GstPulseSrcClass))
-#define GST_IS_PULSESRC(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PULSESRC))
-#define GST_IS_PULSESRC_CLASS(obj) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PULSESRC))
-#define GST_PULSESRC_CAST(obj) \
-  ((GstPulseSrc *)(obj))
-
-typedef struct _GstPulseSrc GstPulseSrc;
-typedef struct _GstPulseSrcClass GstPulseSrcClass;
+#define GST_TYPE_PULSESRC (gst_pulsesrc_get_type())
+G_DECLARE_FINAL_TYPE (GstPulseSrc, gst_pulsesrc, GST, PULSESRC, GstAudioSrc)
+#define GST_PULSESRC_CAST(obj) ((GstPulseSrc *)(obj))
 
 struct _GstPulseSrc
 {
@@ -86,13 +74,6 @@ struct _GstPulseSrc
   pa_proplist *proplist;
 };
 
-struct _GstPulseSrcClass
-{
-  GstAudioSrcClass parent_class;
-};
-
-GType gst_pulsesrc_get_type (void);
-
 G_END_DECLS
 
 #endif /* __GST_PULSESRC_H__ */