--- old/src/share/vm/utilities/ostream.hpp	2016-03-29 15:25:03.633162812 +0200
+++ new/src/share/vm/utilities/ostream.hpp	2016-03-29 15:25:03.457156895 +0200
@@ -247,18 +247,6 @@
   void flush() {};
 };
 
-class logStream : public outputStream {
-private:
-  stringStream _current_line;
-  void (*_log_func)(const char* fmt, ...) ATTRIBUTE_PRINTF(1, 2);
-public:
-  void write(const char* s, size_t len);
-  logStream(void (*log_func)(const char* fmt, ...)) : _log_func(log_func) {}
-  ~logStream() {
-    guarantee(_current_line.size() == 0, "Buffer not flushed. Missing call to print_cr()?");
-  }
-};
-
 void ostream_init();
 void ostream_init_log();
 void ostream_exit();