diff --git a/include/osgDB/Archive b/include/osgDB/Archive
index 45fa75018..60d33ba84 100644
--- a/include/osgDB/Archive
+++ b/include/osgDB/Archive
@@ -36,12 +36,6 @@ class OSGDB_EXPORT Archive : public ReaderWriter
 
         virtual bool acceptsExtension(const std::string& /*extension*/) { return true; }
         
-        /** open the archive for reading, writing or to create an empty archive for writing to.*/
-        virtual bool open(const std::string& filename, ArchiveStatus status, unsigned int indexBlockSizeHint=4096) = 0;
-
-        /** open the archive for reading.*/
-        virtual bool open(std::istream& fin) = 0;
-
         /** close the archive.*/
         virtual void close() = 0;