diff -Naur gthumb-2.12.2-old//data/ui/personalize-filters.ui gthumb-2.12.2/data/ui/personalize-filters.ui
--- gthumb-2.12.2-old//data/ui/personalize-filters.ui	2010-07-15 21:45:39.000000000 +0300
+++ gthumb-2.12.2/data/ui/personalize-filters.ui	2011-03-17 21:52:11.335000083 +0200
@@ -174,22 +174,6 @@
                 <property name="position">0</property>
               </packing>
             </child>
-            <child>
-              <object class="GtkButton" id="help_button">
-                <property name="label">gtk-help</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_action_appearance">False</property>
-                <property name="use_stock">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-                <property name="secondary">True</property>
-              </packing>
-            </child>
           </object>
           <packing>
             <property name="expand">False</property>
@@ -201,7 +185,6 @@
     </child>
     <action-widgets>
       <action-widget response="0">close_button</action-widget>
-      <action-widget response="0">help_button</action-widget>
     </action-widgets>
   </object>
 </interface>
diff -Naur gthumb-2.12.2-old//data/ui/preferences.ui gthumb-2.12.2/data/ui/preferences.ui
--- gthumb-2.12.2-old//data/ui/preferences.ui	2010-08-16 13:58:52.000000000 +0300
+++ gthumb-2.12.2/data/ui/preferences.ui	2011-03-17 21:52:02.247000084 +0200
@@ -552,21 +552,6 @@
             <property name="visible">True</property>
             <property name="layout_style">end</property>
             <child>
-              <object class="GtkButton" id="help_button">
-                <property name="label">gtk-help</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_stock">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-                <property name="secondary">True</property>
-              </packing>
-            </child>
-            <child>
               <object class="GtkButton" id="close_button">
                 <property name="label">gtk-close</property>
                 <property name="visible">True</property>
@@ -593,7 +578,6 @@
       </object>
     </child>
     <action-widgets>
-      <action-widget response="-11">help_button</action-widget>
       <action-widget response="-7">close_button</action-widget>
     </action-widgets>
   </object>
diff -Naur gthumb-2.12.2-old//gthumb/dlg-preferences.c gthumb-2.12.2/gthumb/dlg-preferences.c
--- gthumb-2.12.2-old//gthumb/dlg-preferences.c	2011-01-12 20:45:00.000000000 +0200
+++ gthumb-2.12.2/gthumb/dlg-preferences.c	2011-03-17 19:59:20.597000084 +0200
@@ -104,14 +104,6 @@
 
 
 static void
-help_button_clicked_cb (GtkWidget  *widget,
-			DialogData *data)
-{
-	show_help_dialog (GTK_WINDOW (data->dialog), "preferences");
-}
-
-
-static void
 use_startup_toggled_cb (GtkWidget *widget,
 			DialogData *data)
 {
@@ -304,10 +296,6 @@
 			  "clicked",
 			  G_CALLBACK (close_button_clicked_cb),
 			  data);
-	g_signal_connect (G_OBJECT (GET_WIDGET ("help_button")),
-			  "clicked",
-			  G_CALLBACK (help_button_clicked_cb),
-			  data);
 
 	/* general */
 
diff -Naur gthumb-2.12.2-old//gthumb/gth-browser-actions-entries.h gthumb-2.12.2/gthumb/gth-browser-actions-entries.h
--- gthumb-2.12.2-old//gthumb/gth-browser-actions-entries.h	2011-01-03 19:52:26.000000000 +0200
+++ gthumb-2.12.2/gthumb/gth-browser-actions-entries.h	2011-03-17 19:46:48.744000102 +0200
@@ -161,11 +161,6 @@
 	  N_("Show information about gthumb"),
 	  G_CALLBACK (gth_browser_activate_action_help_about) },
 
-	{ "Help_Help", GTK_STOCK_HELP,
-	  N_("Contents"), "F1",
-	  N_("Display the gthumb Manual"),
-	  G_CALLBACK (gth_browser_activate_action_help_help) },
-
 	{ "Help_Shortcuts", NULL,
 	  N_("_Keyboard Shortcuts"), NULL,
 	  " ",
diff -Naur gthumb-2.12.2-old//gthumb/gth-browser-ui.h gthumb-2.12.2/gthumb/gth-browser-ui.h
--- gthumb-2.12.2-old//gthumb/gth-browser-ui.h	2011-01-03 21:48:59.000000000 +0200
+++ gthumb-2.12.2/gthumb/gth-browser-ui.h	2011-03-17 19:58:38.111000083 +0200
@@ -99,9 +99,6 @@
 "    </menu>"
 "    <placeholder name='OtherMenus'/>"
 "    <menu name='Help' action='HelpMenu'>"
-"      <menuitem action='Help_Help'/>"
-"      <menuitem action='Help_Shortcuts'/>"
-"      <separator/>"
 "      <menuitem name='About' action='Help_About'/>"
 "    </menu>"
 "  </menubar>"