--- a/src/hotspot/share/runtime/os.hpp	Tue Jul 17 12:03:10 2018 -0700
+++ b/src/hotspot/share/runtime/os.hpp	Tue Jul 17 15:59:47 2018 -0400
@@ -580,8 +580,7 @@
 
   // Reading directories.
   static DIR*           opendir(const char* dirname);
-  static int            readdir_buf_size(const char *path);
-  static struct dirent* readdir(DIR* dirp, dirent* dbuf);
+  static struct dirent* readdir(DIR* dirp);
   static int            closedir(DIR* dirp);
 
   // Dynamic library extension