--- old/src/hotspot/share/runtime/thread.hpp	2017-12-05 16:18:22.000000000 -0500
+++ new/src/hotspot/share/runtime/thread.hpp	2017-12-05 16:18:22.000000000 -0500
@@ -104,7 +104,6 @@
 //   - WatcherThread
 
 class Thread: public ThreadShadow {
-  friend class Threads;
   friend class VMStructs;
   friend class JVMCIVMStructs;
  private: