diff -r c887851da33d -r 97d13893ec3c src/hotspot/share/gc/g1/g1StringDedup.cpp
--- a/src/hotspot/share/gc/g1/g1StringDedup.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/g1/g1StringDedup.cpp	Tue Nov 26 10:47:46 2019 +0100
@@ -34,7 +34,6 @@
 #include "gc/shared/stringdedup/stringDedupTable.hpp"
 #include "gc/shared/stringdedup/stringDedupThread.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "runtime/atomic.hpp"
 
 void G1StringDedup::initialize() {
   assert(UseG1GC, "String deduplication available with G1");
@@ -88,4 +87,3 @@
     G1StringDedupQueue::push(worker_id, java_string);
   }
 }
-