Header cleaning

(bzr r10963)

1 files changed, 5 insertions, 5 deletions

diff --git a/src/extension/effect.h b/src/extension/effect.h
index 83b5cc036..bb36b9238 100644
--- a/src/extension/effect.h
+++ b/src/extension/effect.h
@@ -12,21 +12,21 @@
 #define INKSCAPE_EXTENSION_EFFECT_H__
 
 #include <config.h>
-
 #include <glibmm/i18n.h>
-#include <gtkmm/dialog.h>
-#include <gtk/gtk.h>
 #include "verbs.h"
-
-#include "prefdialog.h"
 #include "extension.h"
 
+namespace Gtk {
+	class VBox;
+}
+
 struct SPDocument;
 
 namespace Inkscape {
 
 
 namespace Extension {
+class PrefDialog;
 
 /** \brief  Effects are extensions that take a document and do something
             to it in place.  This class adds the extra functions required