diff --git a/include/wx/osx/carbon/private.h b/include/wx/osx/carbon/private.h
index 7a10d3bf29..7beee9fa2d 100644
--- a/include/wx/osx/carbon/private.h
+++ b/include/wx/osx/carbon/private.h
@@ -733,22 +733,6 @@ public :
 
 public :
 
-    // item aware methods, to be used in subclasses
-
-    virtual Boolean CompareItems(const wxMacDataItem* itemOneID,
-                        const wxMacDataItem* itemTwoID,
-                        DataBrowserPropertyID sortProperty);
-
-    virtual OSStatus GetSetItemData(wxMacDataItem* itemID,
-                        DataBrowserPropertyID property,
-                        DataBrowserItemDataRef itemData,
-                        Boolean changeValue );
-
-    virtual void    ItemNotification(
-                        const wxMacDataItem* itemID,
-                        DataBrowserItemNotification message,
-                        DataBrowserItemDataRef itemData);
-
     // as we are getting the same events for human and API selection we have to suppress
     // events in the latter case, since this will be used from many subclasses we keep it here
 
@@ -913,7 +897,7 @@ public:
     virtual void            UpdateLineToEnd( unsigned int n) ;
 
     virtual void            ItemNotification(
-                                const wxMacDataItem* itemID,
+                                DataBrowserItemID itemID,
                                 DataBrowserItemNotification message,
                                 DataBrowserItemDataRef itemData);
 
diff --git a/src/osx/carbon/listbox.cpp b/src/osx/carbon/listbox.cpp
index 704a65e0e8..e9d0776b22 100644
--- a/src/osx/carbon/listbox.cpp
+++ b/src/osx/carbon/listbox.cpp
@@ -345,7 +345,7 @@ wxMacDataBrowserListControl::~wxMacDataBrowserListControl()
 }
 
 void wxMacDataBrowserListControl::ItemNotification(
-                        const wxMacDataItem* itemID,
+                        DataBrowserItemID itemID,
                         DataBrowserItemNotification message,
                         DataBrowserItemDataRef itemData)
 {
diff --git a/src/osx/carbon/listctrl_mac.cpp b/src/osx/carbon/listctrl_mac.cpp
index d2e4faf977..62b4566386 100644
--- a/src/osx/carbon/listctrl_mac.cpp
+++ b/src/osx/carbon/listctrl_mac.cpp
@@ -2682,7 +2682,7 @@ void wxMacDataBrowserListCtrlControl::DrawItem(
     int imgIndex = -1;
     
     DataBrowserTableViewColumnIndex listColumn = 0;
-    OSStatus err = GetColumnPosition( property, &listColumn );
+    GetColumnPosition( property, &listColumn );
     
     wxListCtrl* list = wxDynamicCast( GetWXPeer() , wxListCtrl );
     wxMacListCtrlItem* lcItem;
diff --git a/src/osx/carbon/utils.cpp b/src/osx/carbon/utils.cpp
index 860f667d22..36b792f4f7 100644
--- a/src/osx/carbon/utils.cpp
+++ b/src/osx/carbon/utils.cpp
@@ -756,13 +756,7 @@ Boolean wxMacDataItemBrowserControl::CompareItems(DataBrowserItemID itemOneID,
 {
     wxMacDataItem* itemOne = (wxMacDataItem*) itemOneID;
     wxMacDataItem* itemTwo = (wxMacDataItem*) itemTwoID;
-    return CompareItems( itemOne , itemTwo , sortProperty );
-}
 
-Boolean wxMacDataItemBrowserControl::CompareItems(const wxMacDataItem*  itemOne,
-    const wxMacDataItem*  itemTwo,
-    DataBrowserPropertyID sortProperty)
-{
     Boolean retval = false;
     if ( itemOne != NULL )
         retval = itemOne->IsLessThan( this , itemTwo , sortProperty);
@@ -776,15 +770,6 @@ OSStatus wxMacDataItemBrowserControl::GetSetItemData(
     Boolean changeValue )
 {
     wxMacDataItem* item = (wxMacDataItem*) itemID;
-    return GetSetItemData(item, property, itemData , changeValue );
-}
-
-OSStatus wxMacDataItemBrowserControl::GetSetItemData(
-    wxMacDataItem* item,
-    DataBrowserPropertyID property,
-    DataBrowserItemDataRef itemData,
-    Boolean changeValue )
-{
     OSStatus err = errDataBrowserPropertyNotSupported;
     switch( property )
     {
@@ -810,14 +795,6 @@ void wxMacDataItemBrowserControl::ItemNotification(
     DataBrowserItemDataRef itemData)
 {
     wxMacDataItem* item = (wxMacDataItem*) itemID;
-    ItemNotification( item , message, itemData);
-}
-
-void wxMacDataItemBrowserControl::ItemNotification(
-    const wxMacDataItem* item,
-    DataBrowserItemNotification message,
-    DataBrowserItemDataRef itemData)
-{
     if (item != NULL)
         item->Notification( this, message, itemData);
 }