--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugHistogram.java	2017-07-07 09:32:17.000000000 -0700
+++ /dev/null	2017-07-07 09:32:17.000000000 -0700
@@ -1,103 +0,0 @@
-/*
- * Copyright (c) 2013, 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 org.graalvm.compiler.debug;
-
-import java.util.List;
-
-/**
- * Facility for recording value frequencies.
- */
-public interface DebugHistogram {
-
-    /**
-     * Gets the name specified when this objected was {@linkplain Debug#createHistogram(String)
-     * created}.
-     */
-    String getName();
-
-    /**
-     * Increments the count for a given value.
-     */
-    void add(Object value);
-
-    void add(Object value, long count);
-
-    /**
-     * A value and a frequency. The ordering imposed by {@link #compareTo(CountedValue)} places
-     * values with higher frequencies first.
-     */
-    class CountedValue implements Comparable<CountedValue> {
-
-        private long count;
-        private final Object value;
-
-        public CountedValue(long count, Object value) {
-            this.count = count;
-            this.value = value;
-        }
-
-        @Override
-        public int compareTo(CountedValue o) {
-            if (count < o.count) {
-                return 1;
-            } else if (count > o.count) {
-                return -1;
-            }
-            return 0;
-        }
-
-        @Override
-        public String toString() {
-            return count + " -> " + value;
-        }
-
-        public void inc() {
-            count++;
-        }
-
-        public void add(long n) {
-            count += n;
-        }
-
-        public long getCount() {
-            return count;
-        }
-
-        public Object getValue() {
-            return value;
-        }
-    }
-
-    /**
-     * Gets a list of the counted values, sorted in descending order of frequency.
-     */
-    List<CountedValue> getValues();
-
-    /**
-     * Interface for a service that can render a visualization of a histogram.
-     */
-    public interface Printer {
-
-        void print(DebugHistogram histogram);
-    }
-}