diff -r c6cbcc673cd3 -r 7909763ad193 src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.hpp
--- a/src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.hpp	Thu Oct 24 16:28:51 2019 +0200
+++ b/src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.hpp	Thu Oct 24 16:37:22 2019 +0200
@@ -37,11 +37,6 @@
   void serialize(JfrCheckpointWriter& writer);
 };
 
-class ClassUnloadTypeSet : public JfrSerializer {
- public:
-  void serialize(JfrCheckpointWriter& writer);
-};
-
 class FlagValueOriginConstant : public JfrSerializer {
  public:
   void serialize(JfrCheckpointWriter& writer);
@@ -107,14 +102,6 @@
   void serialize(JfrCheckpointWriter& writer);
 };
 
-class TypeSet : public JfrSerializer {
- private:
-  JfrCheckpointWriter* _leakp_writer;
- public:
-  explicit TypeSet(JfrCheckpointWriter* leakp_writer = NULL);
-  void serialize(JfrCheckpointWriter& writer);
-};
-
 class ThreadStateConstant : public JfrSerializer {
  public:
   void serialize(JfrCheckpointWriter& writer);