diff -r 382d0689141c -r be6025ebffea hotspot/src/share/vm/runtime/timer.cpp
--- a/hotspot/src/share/vm/runtime/timer.cpp	Thu Dec 10 23:02:31 2015 +0000
+++ b/hotspot/src/share/vm/runtime/timer.cpp	Thu Dec 10 14:57:55 2015 +0100
@@ -120,7 +120,6 @@
 
   if (_active) {
     _accum = NULL;
-    tty->stamp(PrintGCTimeStamps);
     tty->print("[%s", title);
     tty->flush();
     _t.start();
@@ -135,7 +134,6 @@
   _verbose = verbose;
   if (_active) {
     if (_verbose) {
-      tty->stamp(PrintGCTimeStamps);
       tty->print("[%s", title);
       tty->flush();
     }