diff -r c887851da33d -r 97d13893ec3c src/hotspot/share/gc/serial/defNewGeneration.cpp
--- a/src/hotspot/share/gc/serial/defNewGeneration.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/serial/defNewGeneration.cpp	Tue Nov 26 10:47:46 2019 +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"