--- a/src/hotspot/share/gc/shared/adaptiveSizePolicy.hpp	Fri Dec 07 18:00:41 2018 +0100
+++ b/src/hotspot/share/gc/shared/adaptiveSizePolicy.hpp	Fri Dec 07 12:46:31 2018 +0800
@@ -25,12 +25,9 @@
 #ifndef SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_HPP
 #define SHARE_VM_GC_SHARED_ADAPTIVESIZEPOLICY_HPP
 
-#include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/gcCause.hpp"
 #include "gc/shared/gcUtil.hpp"
-#include "logging/log.hpp"
 #include "memory/allocation.hpp"
-#include "memory/universe.hpp"
 
 // This class keeps statistical information and computes the
 // size of the heap.
@@ -188,8 +185,6 @@
   julong _young_gen_change_for_minor_throughput;
   julong _old_gen_change_for_major_throughput;
 
-  static const uint GCWorkersPerJavaThread  = 2;
-
   // Accessors
 
   double gc_pause_goal_sec() const { return _gc_pause_goal_sec; }
@@ -334,8 +329,6 @@
   // Return true if the policy suggested a change.
   bool tenuring_threshold_change() const;
 
-  static bool _debug_perturbation;
-
  public:
   AdaptiveSizePolicy(size_t init_eden_size,
                      size_t init_promo_size,
@@ -343,32 +336,6 @@
                      double gc_pause_goal_sec,
                      uint gc_cost_ratio);
 
-  // Return number default  GC threads to use in the next GC.
-  static uint calc_default_active_workers(uintx total_workers,
-                                          const uintx min_workers,
-                                          uintx active_workers,
-                                          uintx application_workers);
-
-  // Return number of GC threads to use in the next GC.
-  // This is called sparingly so as not to change the
-  // number of GC workers gratuitously.
-  //   For ParNew collections
-  //   For PS scavenge and ParOld collections
-  //   For G1 evacuation pauses (subject to update)
-  //   For G1 Full GCs (subject to update)
-  // Other collection phases inherit the number of
-  // GC workers from the calls above.  For example,
-  // a CMS parallel remark uses the same number of GC
-  // workers as the most recent ParNew collection.
-  static uint calc_active_workers(uintx total_workers,
-                                  uintx active_workers,
-                                  uintx application_workers);
-
-  // Return number of GC threads to use in the next concurrent GC phase.
-  static uint calc_active_conc_workers(uintx total_workers,
-                                       uintx active_workers,
-                                       uintx application_workers);
-
   bool is_gc_cms_adaptive_size_policy() {
     return kind() == _gc_cms_adaptive_size_policy;
   }