diff --git a/gstreamer-sharp/Gstreamer.metadata b/gstreamer-sharp/Gstreamer.metadata
index 12eab8eb85..88e30b5f94 100644
--- a/gstreamer-sharp/Gstreamer.metadata
+++ b/gstreamer-sharp/Gstreamer.metadata
@@ -1103,54 +1103,24 @@
   <remove-node path="/api/namespace/struct[@cname='GstCddaBaseSrcTrack']/field[@cname='_gst_reserved2']" />
 
   <!-- GStreamer App library -->
+  <attr path="/api/namespace/struct[@cname='GstAppSinkCallbacks']" name="hidden">1</attr>
+  <attr path="/api/namespace/struct[@cname='GstAppSrcCallbacks']" name="hidden">1</attr>
+
+  <attr path="/api/namespace/callback[@cname='GstAppBufferFinalizeFunc']" name="hidden">1</attr>
+
+  <attr path="/api/namespace/object[@cname='GstAppBuffer']" name="hidden">1</attr>
+
   <attr path="/api/namespace/object[@cname='GstAppSink']" name="disable_void_ctor">1</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/virtual_method[@cname='pull_preroll']" name="hidden">1</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/virtual_method[@cname='pull_buffer']" name="hidden">1</attr>
-
-  <attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='eos']" name="signal_vm">eos</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='eos']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSink']/virtual_method[@cname='eos']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='eos']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='eos']" name="field_name">eos</attr>
-
-  <attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='new_preroll']" name="signal_vm">new_preroll</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='new_preroll']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSink']/virtual_method[@cname='new_preroll']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='new_preroll']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='new_preroll']" name="field_name">new_preroll</attr>
-
-  <attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='new_buffer']" name="signal_vm">new_buffer</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSink']/class_struct/method[@vm='new_buffer']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSink']/virtual_method[@cname='new_buffer']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='new_buffer']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='new_buffer']" name="field_name">new_buffer</attr>
-
+  <attr path="/api/namespace/object[@cname='GstAppSink']/property[@cname='eos']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSink']/method[@cname='gst_app_sink_set_callbacks']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSink']/method[@cname='gst_app_sink_get_caps']/return-type" name="owned">true</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='pull-preroll']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSink']/signal[@cname='pull-buffer']" name="hidden">1</attr>
 
   <attr path="/api/namespace/object[@cname='GstAppSrc']" name="disable_void_ctor">1</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/virtual_method[@cname='push_buffer']" name="hidden">1</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/virtual_method[@cname='end_of_stream']" name="hidden">1</attr>
-  <add-node path="/api/namespace/object[@cname='GstAppSrc']"><property name="Block" cname="block" type="gboolean" readable="true" writeable="true" /></add-node>
-  <add-node path="/api/namespace/object[@cname='GstAppSrc']"><property name="Format" cname="format" type="GstFormat" readable="true" writeable="true" /></add-node>
-  <add-node path="/api/namespace/object[@cname='GstAppSrc']"><property name="IsLive" cname="is-live" type="gboolean" readable="true" writeable="true" /></add-node>
-
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='need_data']" name="signal_vm">need_data</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='need_data']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSrc']/virtual_method[@cname='need_data']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='need_data']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='need_data']" name="field_name">need_data</attr>
-
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='enough_data']" name="signal_vm">enough_data</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='enough_data']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSrc']/virtual_method[@cname='enough_data']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='enough_data']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='enough_data']" name="field_name">enough_data</attr>
-
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='seek_data']" name="signal_vm">seek_data</attr>
-  <remove-attr path="/api/namespace/object[@cname='GstAppSrc']/class_struct/method[@vm='seek_data']" name="vm" />
-  <change-node-type path="/api/namespace/object[@cname='GstAppSrc']/virtual_method[@cname='seek_data']">signal</change-node-type>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='seek_data']" name="when">LAST</attr>
-  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='seek_data']" name="field_name">seek_data</attr>
-
+  <attr path="/api/namespace/object[@cname='GstAppSrc']/method[@cname='gst_app_src_set_callbacks']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='push-buffer']" name="hidden">1</attr>
+  <attr path="/api/namespace/object[@cname='GstAppSrc']/signal[@cname='end-of-stream']" name="hidden">1</attr>
 
   <!-- GStreamer Interfaces library -->
   <attr path="/api/namespace/enum[@cname='GstNavigationCommand']" name="name">NavigationCommand</attr>