--- old/src/hotspot/share/gc/g1/g1Policy.hpp	2019-11-14 13:34:44.679218891 +0100
+++ new/src/hotspot/share/gc/g1/g1Policy.hpp	2019-11-14 13:34:44.334208174 +0100
@@ -167,10 +167,6 @@
     return _mmu_tracker->max_gc_time() * 1000.0;
   }
 
-  double predict_yg_surv_rate(int age, SurvRateGroup* surv_rate_group) const;
-
-  double predict_yg_surv_rate(int age) const;
-
   double accum_yg_surv_rate_pred(int age) const;
 
 private:
@@ -383,14 +379,6 @@
   // the initial-mark work and start a marking cycle.
   void decide_on_conc_mark_initiation();
 
-  void finished_recalculating_age_indexes(bool is_survivors) {
-    if (is_survivors) {
-      _survivor_surv_rate_group->finished_recalculating_age_indexes();
-    } else {
-      _short_lived_surv_rate_group->finished_recalculating_age_indexes();
-    }
-  }
-
   size_t young_list_target_length() const { return _young_list_target_length; }
 
   bool should_allocate_mutator_region() const;