diff --git a/ChangeLog b/ChangeLog
index 92220f07f..a3d9d835d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2009-08-07  Mike Kestner  <mkestner@novell.com>
+
+	* generator/ObjectGen.cs: kill GType ctor generation.
+	* glib/InitiallyUnowned.cs: kill obsolete GType ctor.
+	* glib/Object.cs: kill obsolete GType ctor.
+	* gtk/Gtk.metadata: kill disable_gtype_ctor rules.
+	* gtk/Widget.cs: kill obsolete GType ctor.
+
 2009-08-07  Mike Kestner  <mkestner@novell.com>
 
 	* glib/Log.cs: rework the LogFunc marshaling and add SetDefaultHandler
diff --git a/generator/ObjectGen.cs b/generator/ObjectGen.cs
index 3dfc70069..753afc8a6 100644
--- a/generator/ObjectGen.cs
+++ b/generator/ObjectGen.cs
@@ -97,12 +97,6 @@ namespace GtkSharp.Generation {
 			}
 		}
 
-		private bool DisableGTypeCtor {
-			get {
-				return Elem.HasAttribute ("disable_gtype_ctor");
-			}
-		}
-
 		private class DirectoryInfo {
 			public string assembly_name;
 			public Hashtable objects;
@@ -254,10 +248,6 @@ namespace GtkSharp.Generation {
 			if (!Elem.HasAttribute("parent"))
 				return;
 
-			if (!DisableGTypeCtor) {
-				gen_info.Writer.WriteLine("\t\t[Obsolete]");
-				gen_info.Writer.WriteLine("\t\tprotected " + Name + "(GLib.GType gtype) : base(gtype) {}");
-			}
 			gen_info.Writer.WriteLine("\t\tpublic " + Name + "(IntPtr raw) : base(raw) {}");
 			if (ctors.Count == 0 && !DisableVoidCtor) {
 				gen_info.Writer.WriteLine();
diff --git a/glib/InitiallyUnowned.cs b/glib/InitiallyUnowned.cs
index 784fa04ca..726e9ea80 100644
--- a/glib/InitiallyUnowned.cs
+++ b/glib/InitiallyUnowned.cs
@@ -31,9 +31,6 @@ namespace GLib {
 
 		protected InitiallyUnowned (IntPtr raw) : base (raw) {}
 
-		[Obsolete]
-		protected InitiallyUnowned (GType gtype) : base (gtype) {}
-
 		public new static GLib.GType GType {
 			get {
 				return GType.Object;
diff --git a/glib/Object.cs b/glib/Object.cs
index f018cb5e4..4df05e382 100644
--- a/glib/Object.cs
+++ b/glib/Object.cs
@@ -350,12 +350,6 @@ namespace GLib {
 		[DllImport("libgobject-2.0-0.dll")]
 		static extern IntPtr g_object_new (IntPtr gtype, IntPtr dummy);
 
-		[Obsolete]
-		protected Object (GType gtype)
-		{
-			Raw = g_object_new (gtype.Val, IntPtr.Zero);
-		}
-
 		struct GParameter {
 			public IntPtr name;
 			public GLib.Value val;
diff --git a/gtk/Gtk.metadata b/gtk/Gtk.metadata
index d2eab944f..c0341f29f 100644
--- a/gtk/Gtk.metadata
+++ b/gtk/Gtk.metadata
@@ -255,7 +255,6 @@
   <attr path="/api/namespace/object[@cname='GtkBox']/field[@name='Children']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkBox']/method[@name='PackEndDefaults']" name="name">PackEnd</attr>
   <attr path="/api/namespace/object[@cname='GtkBox']/method[@name='PackStartDefaults']" name="name">PackStart</attr>
-  <attr path="/api/namespace/object[@cname='GtkBuilder']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkBuilder']/method[@name='AddFromFile']/*/*[@name='filename']" name="type">const-gfilename*</attr>
   <attr path="/api/namespace/object[@cname='GtkBuilder']/method[@cname='gtk_builder_connect_signals']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkBuilder']/method[@cname='gtk_builder_connect_signals_full']" name="hidden">1</attr>
@@ -577,11 +576,9 @@
   <attr path="/api/namespace/object[@cname='GtkRcStyle']/field[@name='Base']" name="writeable">true</attr>
   <attr path="/api/namespace/object[@cname='GtkRcStyle']/field[@name='Xthickness']" name="writeable">true</attr>
   <attr path="/api/namespace/object[@cname='GtkRcStyle']/field[@name='Ythickness']" name="writeable">true</attr>
-  <attr path="/api/namespace/object[@cname='GtkRecentAction']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkRecentChooserMenu']/method[@name='GetShowNumbers']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkRecentChooserMenu']/method[@name='SetShowNumbers']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkRecentChooserMenu']/property[@name='ShowNumbers']" name="hidden">1</attr>
-  <attr path="/api/namespace/object[@cname='GtkScaleButton']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkScaleButton']/constructor[@cname='gtk_scale_button_new']/*/*[@name='icons']" name="null_term_array">1</attr>
   <attr path="/api/namespace/object[@cname='GtkScaleButton']/method[@name='SetIcons']/*/*[@name='icons']" name="null_term_array">1</attr>
   <attr path="/api/namespace/object[@cname='GtkScaleButton']/signal[@name='Popup']" name="name">PoppedUp</attr>
@@ -707,7 +704,6 @@
   <attr path="/api/namespace/object[@cname='GtkToolbar']/method[@name='PrependItem']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkToolItem']/method[@name='ToolbarReconfigured']" name="name">EmitToolbarReconfigured</attr>
   <attr path="/api/namespace/object[@cname='GtkToolItem']/signal[@name='SetTooltip']" name="name">TooltipSet</attr>
-  <attr path="/api/namespace/object[@cname='GtkTooltip']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeModelFilter']/constructor[@cname='gtk_tree_model_filter_new']/*/*[@name='root']" name="property_name">virtual-root</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeModelFilter']/method[@name='ConvertIterToChildIter']/*/*[@name='child_iter']" name="pass_as">out</attr>
   <attr path="/api/namespace/object[@cname='GtkTreeModelFilter']/method[@name='ConvertChildIterToIter']" name="hidden">1</attr>
@@ -782,10 +778,8 @@
    <attr path="/api/namespace/object[@cname='GtkUIManager']/method[@cname='gtk_ui_manager_get_action_groups']" name="hidden">1</attr>
    <attr path="/api/namespace/object[@cname='GtkUIManager']/method[@name='GetToplevels']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkViewport']/signal[@name='SetScrollAdjustments']" name="name">ScrollAdjustmentsSet</attr>
-  <attr path="/api/namespace/object[@cname='GtkVolumeButton']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkVScale']/constructor[@cname='gtk_vscale_new_with_range']" name="hidden">1</attr>
   <add-node path="/api/namespace/object[@cname='GtkWidget']"><custom-attribute>[GLib.TypeInitializer (typeof (Gtk.Widget), "ClassInit")]</custom-attribute></add-node>
-  <attr path="/api/namespace/object[@cname='GtkWidget']" name="disable_gtype_ctor">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/constructor[@cname='gtk_widget_new']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/field[@name='Allocation']" name="hidden">1</attr>
   <attr path="/api/namespace/object[@cname='GtkWidget']/field[@name='Requisition']" name="writeable">true</attr>
diff --git a/gtk/Widget.custom b/gtk/Widget.custom
index b29c32ef0..9ea136f26 100644
--- a/gtk/Widget.custom
+++ b/gtk/Widget.custom
@@ -24,11 +24,6 @@
 // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 // Boston, MA 02111-1307, USA.
 
-[Obsolete]		
-protected Widget (GLib.GType gtype) : base(gtype)
-{
-}
-
 public override void Destroy ()
 {
 	base.Destroy ();