--- a/src/hotspot/os/linux/os_linux.inline.hpp	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/hotspot/os/linux/os_linux.inline.hpp	Thu Oct 17 20:53:35 2019 +0100
@@ -35,11 +35,6 @@
 #include <poll.h>
 #include <netdb.h>
 
-// File names are case-insensitive on windows only
-inline int os::file_name_strncmp(const char* s1, const char* s2, size_t num) {
-  return strncmp(s1, s2, num);
-}
-
 inline bool os::uses_stack_guard_pages() {
   return true;
 }
@@ -64,8 +59,6 @@
   ::dlclose(lib);
 }
 
-inline const int os::default_file_open_flags() { return 0;}
-
 inline jlong os::lseek(int fd, jlong offset, int whence) {
   return (jlong) ::lseek64(fd, offset, whence);
 }