diff --git a/gstreamer-sharp/Gstreamer.metadata b/gstreamer-sharp/Gstreamer.metadata
index 2935ce89fa..349b8a0cb8 100644
--- a/gstreamer-sharp/Gstreamer.metadata
+++ b/gstreamer-sharp/Gstreamer.metadata
@@ -464,7 +464,6 @@
   
   <change-node-type path="/api/namespace/object[@name='MiniObject']">boxed</change-node-type>
   <attr path="/api/namespace/boxed[@name='MiniObject']" name="opaque">true</attr>
-  <attr path="/api/namespace/boxed[@name='MiniObject']" name="abstract">1</attr>
   <remove-attr path="/api/namespace/boxed[@name='MiniObject']" name="parent" />
   <attr path="/api/namespace/boxed[@name='MiniObject']/field[@name='Flags']" name="writeable">true</attr>
   <attr path="/api/namespace/boxed[@name='MiniObject']/field[@name='Flags']" name="type">GstMiniObjectFlags</attr>
@@ -476,7 +475,6 @@
 
   <attr path="/api/namespace/callback[@name='MiniObjectFinalizeFunction']" name="hidden">1</attr>
 
-  <attr path="/api/namespace/object[@name='Object']" name="abstract">1</attr>
   <attr path="/api/namespace/object[@name='Object']/field[@name='Refcount']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Object']/field[@name='Lock']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@name='Object']/field[@name='Name']" name="hidden">1</attr>
@@ -707,7 +705,6 @@
 
   <attr path="/api/namespace/object[@name='PluginFeature']/method[@cname='gst_plugin_feature_set_name']" name="name">SetFeatureName</attr>
   <attr path="/api/namespace/object[@name='PluginFeature']/method[@cname='gst_plugin_feature_get_name']" name="name">GetFeatureName</attr>
-  <attr path="/api/namespace/object[@name='PluginFeature']" name="abstract">1</attr>
   <!-- FIXME: Bug https://bugzilla.novell.com/show_bug.cgi?id=323372 -->
   <attr path="/api/namespace/object[@name='PluginFeature']/field[@name='Rank']" name="hidden">1</attr>
   <add-node path="/api/namespace/object[@name='PluginFeature']">