Index: /trunk/Mars/mcore/izstream.h
===================================================================
--- /trunk/Mars/mcore/izstream.h	(revision 17139)
+++ /trunk/Mars/mcore/izstream.h	(revision 17140)
@@ -2,12 +2,8 @@
 #define MARS_izstream
 
+#include <string.h>
+
 #include <istream>
 #include <streambuf>
-
-#ifdef __MARS__
-#ifndef ROOT_TObject
-#include <TObject.h> // Needed for ClassDef
-#endif
-#endif
 
 #ifdef __CINT__
@@ -170,8 +166,4 @@
         return seekoff(pos, std::ios::beg);
     }
-
-#ifdef __MARS__
-    ClassDef(izstream, 0) // A C++ wrapper to istream zlib files
-#endif
 };