diff --git a/sample/GtkDemo/DemoEditableCells.cs b/sample/GtkDemo/DemoEditableCells.cs
index 13ddab4f6..1699e4602 100644
--- a/sample/GtkDemo/DemoEditableCells.cs
+++ b/sample/GtkDemo/DemoEditableCells.cs
@@ -190,10 +190,10 @@ namespace GtkDemo
 
 		private void RemoveItem (object o, EventArgs args)
 		{
- 			TreeIter iter = new TreeIter ();
+ 			TreeIter iter;
  			TreeModel model;
 
- 			if (treeView.Selection.GetSelected (out model, ref iter))
+ 			if (treeView.Selection.GetSelected (out model, out iter))
 			{
  				TreePath path = store.GetPath (iter);
  				store.Remove (out iter);
diff --git a/sample/GtkDemo/DemoMain.cs b/sample/GtkDemo/DemoMain.cs
index aa0ce7abc..b97744d5c 100644
--- a/sample/GtkDemo/DemoMain.cs
+++ b/sample/GtkDemo/DemoMain.cs
@@ -169,10 +169,10 @@ namespace GtkDemo
         private void OnTreeChanged (object o, EventArgs args)
 		{
 
-		TreeIter iter = new TreeIter ();
+		TreeIter iter;
 		TreeModel model;
 
-		if (treeView.Selection.GetSelected (out model, ref iter))
+		if (treeView.Selection.GetSelected (out model, out iter))
 		{
 			TreePath path;
 			path = store.GetPath (iter);