diff -r f87353679927 -r 5d10ba4a0468 src/hotspot/share/gc/z/zDirector.hpp
--- a/src/hotspot/share/gc/z/zDirector.hpp	Mon Oct 21 14:04:16 2019 +0800
+++ b/src/hotspot/share/gc/z/zDirector.hpp	Mon Oct 21 09:51:24 2019 +0200
@@ -36,9 +36,6 @@
 
   void sample_allocation_rate() const;
 
-  bool is_first() const;
-  bool is_warm() const;
-
   bool rule_timer() const;
   bool rule_warmup() const;
   bool rule_allocation_rate() const;