diff -r 15e026239a6c -r fcdb8e7ead8f src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/cms/AdaptiveFreeList.java
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/cms/AdaptiveFreeList.java	Fri Nov 08 14:54:17 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/*
- * @(#)AdaptiveFreeList.java
- *
- * Copyright (c) 2000, 2015, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.gc.cms;
-
-import java.util.Observable;
-import java.util.Observer;
-
-import sun.jvm.hotspot.debugger.Address;
-import sun.jvm.hotspot.runtime.VM;
-import sun.jvm.hotspot.runtime.VMObject;
-import sun.jvm.hotspot.types.CIntegerField;
-import sun.jvm.hotspot.types.Type;
-import sun.jvm.hotspot.types.TypeDataBase;
-
-public class AdaptiveFreeList extends VMObject {
-  static {
-    VM.registerVMInitializedObserver(new Observer() {
-      public void update(Observable o, Object data) {
-        initialize(VM.getVM().getTypeDataBase());
-      }
-    });
-  }
-
-  private static synchronized void initialize(TypeDataBase db) {
-    Type type = db.lookupType("AdaptiveFreeList<FreeChunk>");
-    sizeField = type.getCIntegerField("_size");
-    countField = type.getCIntegerField("_count");
-    headerSize = type.getSize();
-  }
-
-  // Fields
-  private static CIntegerField sizeField;
-  private static CIntegerField countField;
-  private static long          headerSize;
-
-  //Constructor
-  public AdaptiveFreeList(Address address) {
-    super(address);
-  }
-
-  // Accessors
-  public long size() {
-    return sizeField.getValue(addr);
-  }
-
-  public long count() {
-    return  countField.getValue(addr);
-  }
-
-  public static long sizeOf() {
-    return headerSize;
-  }
-}