--- old/src/hotspot/os/aix/os_aix.cpp	2018-07-03 10:04:43.933231698 -0400
+++ new/src/hotspot/os/aix/os_aix.cpp	2018-07-03 10:04:43.509192418 -0400
@@ -1208,22 +1208,6 @@
   ::abort();
 }
 
-// This method is a copy of JDK's sysGetLastErrorString
-// from src/solaris/hpi/src/system_md.c
-
-size_t os::lasterror(char *buf, size_t len) {
-  if (errno == 0) return 0;
-
-  const char *s = os::strerror(errno);
-  size_t n = ::strlen(s);
-  if (n >= len) {
-    n = len - 1;
-  }
-  ::strncpy(buf, s, n);
-  buf[n] = '\0';
-  return n;
-}
-
 intx os::current_thread_id() {
   return (intx)pthread_self();
 }