diff -r c6600aba799b -r f605c91e5219 src/hotspot/os/linux/os_linux.inline.hpp
--- a/src/hotspot/os/linux/os_linux.inline.hpp	Tue Jul 17 12:03:10 2018 -0700
+++ b/src/hotspot/os/linux/os_linux.inline.hpp	Tue Jul 17 15:59:47 2018 -0400
@@ -69,17 +69,6 @@
 
 inline const int os::default_file_open_flags() { return 0;}
 
-inline DIR* os::opendir(const char* dirname)
-{
-  assert(dirname != NULL, "just checking");
-  return ::opendir(dirname);
-}
-
-inline int os::readdir_buf_size(const char *path)
-{
-  return NAME_MAX + sizeof(dirent) + 1;
-}
-
 inline jlong os::lseek(int fd, jlong offset, int whence) {
   return (jlong) ::lseek64(fd, offset, whence);
 }
@@ -92,17 +81,6 @@
   return ::ftruncate64(fd, length);
 }
 
-inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)
-{
-  assert(dirp != NULL, "just checking");
-  return ::readdir(dirp);
-}
-
-inline int os::closedir(DIR *dirp) {
-  assert(dirp != NULL, "argument is NULL");
-  return ::closedir(dirp);
-}
-
 // macros for restartable system calls
 
 #define RESTARTABLE(_cmd, _result) do { \