diff --git a/browser/components/places/content/places.js b/browser/components/places/content/places.js
index 75726de99df..3bd68ece545 100644
--- a/browser/components/places/content/places.js
+++ b/browser/components/places/content/places.js
@@ -594,14 +594,10 @@ var PlacesOrganizer = {
      */
     var infoBox = document.getElementById("infoBox");
     var infoBoxExpander = document.getElementById("infoBoxExpander");
-#ifdef XP_WIN
-    var infoBoxExpanderLabel = document.getElementById("infoBoxExpanderLabel");
-#endif
+    var infoBoxExpanderWrapper = document.getElementById("infoBoxExpanderWrapper");
+
     if (!aNode) {
-      infoBoxExpander.hidden = true;
-#ifdef XP_WIN
-      infoBoxExpanderLabel.hidden = true;
-#endif
+      infoBoxExpanderWrapper.hidden = true;
       return;
     }
     if (aNode.itemId != -1 &&
@@ -611,19 +607,13 @@ var PlacesOrganizer = {
       if (infoBox.getAttribute("minimal") == "true")
         infoBox.setAttribute("wasminimal", "true");
       infoBox.removeAttribute("minimal");
-      infoBoxExpander.hidden = true;
-#ifdef XP_WIN
-      infoBoxExpanderLabel.hidden = true;
-#endif
+      infoBoxExpanderWrapper.hidden = true;
     }
     else {
       if (infoBox.getAttribute("wasminimal") == "true")
         infoBox.setAttribute("minimal", "true");
       infoBox.removeAttribute("wasminimal");
-      infoBoxExpander.hidden = false;
-#ifdef XP_WIN
-      infoBoxExpanderLabel.hidden = false;
-#endif
+      infoBoxExpanderWrapper.hidden = false;
     }
   },
 
@@ -766,30 +756,19 @@ var PlacesOrganizer = {
   toggleAdditionalInfoFields: function PO_toggleAdditionalInfoFields() {
     var infoBox = document.getElementById("infoBox");
     var infoBoxExpander = document.getElementById("infoBoxExpander");
-#ifdef XP_WIN
     var infoBoxExpanderLabel = document.getElementById("infoBoxExpanderLabel");
-#endif
+
     if (infoBox.getAttribute("minimal") == "true") {
       infoBox.removeAttribute("minimal");
-#ifdef XP_WIN
       infoBoxExpanderLabel.value = infoBoxExpanderLabel.getAttribute("lesslabel");
       infoBoxExpanderLabel.setAttribute("accesskey", infoBoxExpanderLabel.getAttribute("lessaccesskey"));
       infoBoxExpander.className = "expander-up";
-#else
-      infoBoxExpander.label = infoBoxExpander.getAttribute("lesslabel");
-      infoBoxExpander.accessKey = infoBoxExpander.getAttribute("lessaccesskey");
-#endif
     }
     else {
       infoBox.setAttribute("minimal", "true");
-#ifdef XP_WIN
       infoBoxExpanderLabel.value = infoBoxExpanderLabel.getAttribute("morelabel");
       infoBoxExpanderLabel.setAttribute("accesskey", infoBoxExpanderLabel.getAttribute("moreaccesskey"));
       infoBoxExpander.className = "expander-down";
-#else
-      infoBoxExpander.label = infoBoxExpander.getAttribute("morelabel");
-      infoBoxExpander.accessKey = infoBoxExpander.getAttribute("moreaccesskey");
-#endif
     }
   },
 
diff --git a/browser/components/places/content/places.xul b/browser/components/places/content/places.xul
index 33e696b1385..990edc699a5 100644
--- a/browser/components/places/content/places.xul
+++ b/browser/components/places/content/places.xul
@@ -508,12 +508,16 @@
                 <vbox id="infoBox" minimal="true">
                   <vbox id="editBookmarkPanelContent"/>
                   <spacer flex="1"/>
-                  <hbox>
-#ifdef XP_WIN
+                  <hbox id="infoBoxExpanderWrapper" align="center">
+
                     <button type="image" id="infoBoxExpander"
                             class="expander-down"
+                            lessaccesskey="&detailsPane.less.accesskey;"
+                            moreaccesskey="&detailsPane.more.accesskey;"
+                            accesskey="&detailsPane.more.accesskey;"
                             oncommand="PlacesOrganizer.toggleAdditionalInfoFields();"
                             observes="paneElementsBroadcaster"/>
+
                     <label id="infoBoxExpanderLabel"
                            lesslabel="&detailsPane.less.label;"
                            lessaccesskey="&detailsPane.less.accesskey;"
@@ -522,17 +526,7 @@
                            value="&detailsPane.more.label;"
                            accesskey="&detailsPane.more.accesskey;"
                            control="infoBoxExpander"/>
-#else
-                    <button type="image" id="infoBoxExpander"
-                            lesslabel="&detailsPane.less.label;"
-                            lessaccesskey="&detailsPane.less.accesskey;"
-                            morelabel="&detailsPane.more.label;"
-                            moreaccesskey="&detailsPane.more.accesskey;"
-                            label="&detailsPane.more.label;"
-                            accesskey="&detailsPane.more.accesskey;"
-                            oncommand="PlacesOrganizer.toggleAdditionalInfoFields();"
-                            observes="paneElementsBroadcaster"/>
-#endif
+
                     <spacer flex="1"/>
                   </hbox>
                 </vbox>
diff --git a/browser/themes/gnomestripe/browser/places/organizer.css b/browser/themes/gnomestripe/browser/places/organizer.css
index b27a9f553cf..811779c7d29 100644
--- a/browser/themes/gnomestripe/browser/places/organizer.css
+++ b/browser/themes/gnomestripe/browser/places/organizer.css
@@ -182,13 +182,12 @@
   margin: 0 !important;
 }
 
-/**** expanders ****/
-.expander-up,
-.expander-down {
-  min-width: 0;
-}
 %endif
 
+#infoBoxExpanderLabel {
+  -moz-padding-start: 2px;
+}
+
 #searchModifiers {
   padding-right: 3px;
 }
diff --git a/browser/themes/pinstripe/browser/places/organizer.css b/browser/themes/pinstripe/browser/places/organizer.css
index f49d2f8194a..41c3a329e1c 100644
--- a/browser/themes/pinstripe/browser/places/organizer.css
+++ b/browser/themes/pinstripe/browser/places/organizer.css
@@ -614,6 +614,10 @@ menulist[open="true"] > .menulist-label-box  .menulist-label {
   max-width: 0;
 }
 
+#infoBoxExpanderLabel {
+  display: none;
+}
+
 #infoBox[minimal="true"] #infoBoxExpander {
   list-style-image: url("chrome://browser/skin/places/twisty-closed.gif");
 }
diff --git a/browser/themes/winstripe/browser/places/organizer.css b/browser/themes/winstripe/browser/places/organizer.css
index 400cea7dc4c..7a23b5fc748 100644
--- a/browser/themes/winstripe/browser/places/organizer.css
+++ b/browser/themes/winstripe/browser/places/organizer.css
@@ -218,29 +218,7 @@
 }
 %endif
 
-/**** expanders ****/
-
-.expander-up,
-.expander-down {
-  min-width: 0;
-}
-
-.expander-up > hbox,
-.expander-down > hbox {
-  padding: 0;
-}
-
-.expander-up {
-  list-style-image: url("chrome://global/skin/icons/collapse.png");
-}
-
-.expander-down {
-  list-style-image: url("chrome://global/skin/icons/expand.png");
-}
-
 #infoBoxExpanderLabel {
-  margin: 0;
-  padding: 5px 0;
   -moz-padding-start: 2px;
 }