--- old/src/hotspot/share/gc/serial/defNewGeneration.cpp	2019-11-26 12:09:19.805165597 +0100
+++ new/src/hotspot/share/gc/serial/defNewGeneration.cpp	2019-11-26 12:09:19.549161181 +0100
@@ -51,7 +51,6 @@
 #include "memory/resourceArea.hpp"
 #include "oops/instanceRefKlass.hpp"
 #include "oops/oop.inline.hpp"
-#include "runtime/atomic.hpp"
 #include "runtime/java.hpp"
 #include "runtime/prefetch.inline.hpp"
 #include "runtime/thread.inline.hpp"