--- a/src/hotspot/os/solaris/os_solaris.cpp	Thu Dec 20 02:51:01 2018 +0100
+++ b/src/hotspot/os/solaris/os_solaris.cpp	Thu Dec 20 10:05:19 2018 +0100
@@ -2871,16 +2871,6 @@
   return res;
 }
 
-void os::naked_short_sleep(jlong ms) {
-  assert(ms < 1000, "Un-interruptable sleep, short time use only");
-
-  // usleep is deprecated and removed from POSIX, in favour of nanosleep, but
-  // Solaris requires -lrt for this.
-  usleep((ms * 1000));
-
-  return;
-}
-
 // Sleep forever; naked call to OS-specific sleep; use with CAUTION
 void os::infinite_sleep() {
   while (true) {    // sleep forever ...