--- a/src/hotspot/share/gc/parallel/psCompactionManager.cpp	Tue Jan 28 22:42:32 2020 +0100
+++ b/src/hotspot/share/gc/parallel/psCompactionManager.cpp	Wed Jan 29 09:29:22 2020 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,8 +52,7 @@
 GrowableArray<size_t >* ParCompactionManager::_shadow_region_array = NULL;
 Monitor*                ParCompactionManager::_shadow_region_monitor = NULL;
 
-ParCompactionManager::ParCompactionManager() :
-    _action(CopyAndUpdate) {
+ParCompactionManager::ParCompactionManager() {
 
   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
 
@@ -115,19 +114,6 @@
   }
 }
 
-bool ParCompactionManager::should_update() {
-  assert(action() != NotValid, "Action is not set");
-  return (action() == ParCompactionManager::Update) ||
-         (action() == ParCompactionManager::CopyAndUpdate) ||
-         (action() == ParCompactionManager::UpdateAndCopy);
-}
-
-bool ParCompactionManager::should_copy() {
-  assert(action() != NotValid, "Action is not set");
-  return (action() == ParCompactionManager::Copy) ||
-         (action() == ParCompactionManager::CopyAndUpdate) ||
-         (action() == ParCompactionManager::UpdateAndCopy);
-}
 
 ParCompactionManager*
 ParCompactionManager::gc_thread_compaction_manager(uint index) {
@@ -199,4 +185,4 @@
 
 void ParCompactionManager::remove_all_shadow_regions() {
   _shadow_region_array->clear();
-}
\ No newline at end of file
+}

--- a/src/hotspot/share/gc/parallel/psCompactionManager.hpp	Tue Jan 28 22:42:32 2020 +0100
+++ b/src/hotspot/share/gc/parallel/psCompactionManager.hpp	Wed Jan 29 09:29:22 2020 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,16 +50,6 @@
 
  public:
 
-// ------------------------  Don't putback if not needed
-  // Actions that the compaction manager should take.
-  enum Action {
-    Update,
-    Copy,
-    UpdateAndCopy,
-    CopyAndUpdate,
-    NotValid
-  };
-// ------------------------  End don't putback if not needed
 
  private:
   // 32-bit:  4K * 8 = 32KiB; 64-bit:  8K * 16 = 128KiB
@@ -95,8 +85,6 @@
   // See pop/push_shadow_region_mt_safe() below
   static Monitor*               _shadow_region_monitor;
 
-  Action _action;
-
   HeapWord* _last_query_beg;
   oop _last_query_obj;
   size_t _last_query_ret;
@@ -138,9 +126,6 @@
     _last_query_ret = 0;
   }
 
-  Action action() { return _action; }
-  void set_action(Action v) { _action = v; }
-
   // Bitmap query support, cache last query and result
   HeapWord* last_query_begin() { return _last_query_beg; }
   oop last_query_object() { return _last_query_obj; }