diff --git a/themes/classic/global/mac/groupbox.css b/themes/classic/global/mac/groupbox.css
index 621389f9235..cf6e1b34f5d 100644
--- a/themes/classic/global/mac/groupbox.css
+++ b/themes/classic/global/mac/groupbox.css
@@ -1,6 +1,3 @@
-/* titledbox is deprecated but included for backwards compatibility;
-   it is to be removed later */
-titledbox,
 groupbox 
   {
     border                : 2px groove #CCCCCC;
@@ -8,15 +5,6 @@ groupbox
     margin                : 5px;
   }
 
-groupbox > label
-  {
-    margin-left           : 6px;
-    padding-left          : 3px;
-    padding-right         : 3px;
-    background-color      : #DEDEDE;
-
-  }
-
 box.groupbox-title 
   {
     padding-left           : 5px;
diff --git a/themes/classic/global/mac/jar.mn b/themes/classic/global/mac/jar.mn
index bd102f7778f..86b804d95c9 100644
--- a/themes/classic/global/mac/jar.mn
+++ b/themes/classic/global/mac/jar.mn
@@ -9,6 +9,7 @@ classic.jar:
     skin/classic/global/filepicker.css
     skin/classic/global/formatting.css
     skin/classic/global/global.css
+    skin/classic/global/groupbox.css
     skin/classic/global/menu.css
     skin/classic/global/menubutton.css
     skin/classic/global/menulist.css
@@ -19,7 +20,6 @@ classic.jar:
     skin/classic/global/scrollbox.css
     skin/classic/global/splitter.css
     skin/classic/global/tabbox.css
-    skin/classic/global/titledbox.css
     skin/classic/global/textbox.css
     skin/classic/global/toolbar.css
     skin/classic/global/tree.css
diff --git a/themes/classic/global/mac/titledbox.css b/themes/classic/global/mac/titledbox.css
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/themes/classic/global/win/groupbox.css b/themes/classic/global/win/groupbox.css
index 6632f758748..4d5f5f884c7 100644
--- a/themes/classic/global/win/groupbox.css
+++ b/themes/classic/global/win/groupbox.css
@@ -1,6 +1,3 @@
-/* titledbox is deprecated but included for backwards compatibility;
-   it is to be removed later */
-titledbox,
 groupbox
   {
     border                : 2px groove -moz-Dialog;
@@ -8,13 +5,6 @@ groupbox
     margin                : 5px;
   }
 
-groupbox > label
-  {
-    margin                : 0px 40px 2px 6px;
-    padding               : 0px 3px 0px 3px;
-    background-color      : -moz-Dialog;
-  }
-
 .groupbox-body
   {
     padding               : inherit;
diff --git a/themes/classic/global/win/jar.mn b/themes/classic/global/win/jar.mn
index 39c740694ba..8562ce81137 100644
--- a/themes/classic/global/win/jar.mn
+++ b/themes/classic/global/win/jar.mn
@@ -10,6 +10,7 @@ classic.jar:
     skin/classic/global/filepicker.css
     skin/classic/global/formatting.css
     skin/classic/global/global.css
+    skin/classic/global/groupbox.css
     skin/classic/global/menu.css
     skin/classic/global/menubutton.css
     skin/classic/global/menulist.css
@@ -22,7 +23,6 @@ classic.jar:
     skin/classic/global/splitter.css
     skin/classic/global/tabbox.css
     skin/classic/global/textbox.css
-    skin/classic/global/titledbox.css
     skin/classic/global/toolbar.css
     skin/classic/global/tree.css
     skin/classic/global/outliner.css
diff --git a/themes/classic/global/win/titledbox.css b/themes/classic/global/win/titledbox.css
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/themes/modern/global/groupbox.css b/themes/modern/global/groupbox.css
index 01d5d8897c3..e790ac953e5 100644
--- a/themes/modern/global/groupbox.css
+++ b/themes/modern/global/groupbox.css
@@ -21,7 +21,7 @@
  *
  */
 
-/* ===== titledbox.css ==================================================
+/* ===== groupbox.css ==================================================
   == Styles used by the XUL groupbox and related elements.
   ======================================================================= */
 
diff --git a/themes/modern/global/titledbox.css b/themes/modern/global/titledbox.css
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/themes/modern/jar.mn b/themes/modern/jar.mn
index 0478f684347..ea83c3eae38 100644
--- a/themes/modern/jar.mn
+++ b/themes/modern/jar.mn
@@ -314,6 +314,7 @@ modern.jar:
   skin/modern/global/formatting.css                                (global/formatting.css)
   skin/modern/global/global.css                                    (global/global.css)
   skin/modern/global/globalBindings.xml                            (global/globalBindings.xml)
+  skin/modern/global/groupbox.css                                  (global/groupbox.css)
   skin/modern/global/menu.css                                      (global/menu.css)
   skin/modern/global/menubutton.css                                (global/menubutton.css)
   skin/modern/global/menulist.css                                  (global/menulist.css)
@@ -329,7 +330,6 @@ modern.jar:
   skin/modern/global/spinbuttons.css                               (global/spinbuttons.css)
   skin/modern/global/tabbox.css                                    (global/tabbox.css)
   skin/modern/global/textbox.css                                   (global/textbox.css)
-  skin/modern/global/titledbox.css                                 (global/titledbox.css)
   skin/modern/global/toolbar.css                                   (global/toolbar.css)
   skin/modern/global/tree.css                                      (global/tree.css)
   skin/modern/global/wizard.css                                    (global/wizard.css)
diff --git a/xpfe/global/jar.mn b/xpfe/global/jar.mn
index 5ae565e7da6..f3ef30ec8a1 100644
--- a/xpfe/global/jar.mn
+++ b/xpfe/global/jar.mn
@@ -47,6 +47,7 @@ toolkit.jar:
         content/global/bindings/checkbox.xml        (resources/content/bindings/checkbox.xml)
         content/global/bindings/colorpicker.xml     (resources/content/bindings/colorpicker.xml)
         content/global/bindings/general.xml         (resources/content/bindings/general.xml)
+        content/global/bindings/groupbox.xml        (resources/content/bindings/groupbox.xml)
         content/global/bindings/menu.xml            (resources/content/bindings/menu.xml)
         content/global/bindings/menulist.xml        (resources/content/bindings/menulist.xml)
         content/global/bindings/menubutton.xml      (resources/content/bindings/menubutton.xml)
@@ -63,7 +64,6 @@ toolkit.jar:
         content/global/bindings/tabbox.xml          (resources/content/bindings/tabbox.xml)
         content/global/bindings/text.xml            (resources/content/bindings/text.xml)
         content/global/bindings/textbox.xml         (resources/content/bindings/textbox.xml)
-        content/global/bindings/titledbox.xml       (resources/content/bindings/titledbox.xml)
         content/global/bindings/toolbar.xml         (resources/content/bindings/toolbar.xml)
         content/global/bindings/tree.xml            (resources/content/bindings/tree.xml)
         content/global/bindings/tree.css            (resources/content/bindings/tree.css)
diff --git a/xpfe/global/resources/content/bindings/groupbox.xml b/xpfe/global/resources/content/bindings/groupbox.xml
index a446395aede..61394ea933f 100644
--- a/xpfe/global/resources/content/bindings/groupbox.xml
+++ b/xpfe/global/resources/content/bindings/groupbox.xml
@@ -6,14 +6,14 @@
 
   <binding id="groupbox-base">
     <resources>
-      <stylesheet src="chrome://global/skin/titledbox.css"/>
+      <stylesheet src="chrome://global/skin/groupbox.css"/>
     </resources>
   </binding>
 
-  <binding id="groupbox" extends="chrome://global/content/bindings/titledbox.xml#groupbox-base">
+  <binding id="groupbox" extends="chrome://global/content/bindings/groupbox.xml#groupbox-base">
     <content>
       <xul:hbox class="groupbox-title" align="center" pack="start">
-        <children includes="label"/>
+        <children includes="caption"/>
       </xul:hbox>
       <xul:box flex="1" class="groupbox-body" inherits="orient,align,pack">
         <children/>
@@ -21,16 +21,16 @@
     </content>
   </binding>
 
-  <!-- titledbox included for backwards compatibility purposes; to be removed at a later date -->
-
-  <binding id="titledbox" extends="chrome://global/content/bindings/titledbox.xml#groupbox-base">
+  <binding id="caption" extends="chrome://global/content/bindings/general.xml#basetext">
     <content>
-      <xul:hbox class="groupbox-title" align="center">
-        <children includes="label"/>
-      </xul:hbox>
-      <xul:box flex="1" class="groupbox-body" inherits="orient,align,pack">
-        <children/>
+      <xul:box inherits="orient,align,pack,dir" align="center" pack="center">
+        <children>
+          <xul:image class="caption-icon" inherits="src=image"/>
+          <xul:label class="caption-text" flex="1"
+                     inherits="default,value=label,crop,accesskey"/>
+        </children>
       </xul:box>
-    </content>    
+    </content>
   </binding>
+
 </bindings>
diff --git a/xpfe/global/resources/content/bindings/titledbox.xml b/xpfe/global/resources/content/bindings/titledbox.xml
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/global/resources/content/xul.css b/xpfe/global/resources/content/xul.css
index 6c2cb19a02f..fe6c0214f8f 100644
--- a/xpfe/global/resources/content/xul.css
+++ b/xpfe/global/resources/content/xul.css
@@ -136,12 +136,12 @@ radio {
 /******** groupbox *********/
 
 groupbox {
-  -moz-binding: url("chrome://global/content/bindings/titledbox.xml#groupbox");
+  -moz-binding: url("chrome://global/content/bindings/groupbox.xml#groupbox");
   display: -moz-groupbox;
 }
 
 caption {
-  -moz-binding: url("chrome://global/content/bindings/titledbox.xml#caption");
+  -moz-binding: url("chrome://global/content/bindings/groupbox.xml#caption");
 }
 
 .groupbox-body {