--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugCounter.java	2017-07-07 09:32:15.000000000 -0700
+++ /dev/null	2017-07-07 09:32:15.000000000 -0700
@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2012, 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;
-
-/**
- * A counter for some value of interest.
- */
-public interface DebugCounter {
-
-    /**
-     * Adds 1 to this counter if counting is {@link Debug#isCountEnabled() enabled} or this is an
-     * {@linkplain #isConditional() unconditional} counter.
-     */
-    void increment();
-
-    /**
-     * Adds {@code value} to this counter if counting is {@link Debug#isCountEnabled() enabled} or
-     * this is an {@linkplain #isConditional() unconditional} counter.
-     */
-    void add(long value);
-
-    /**
-     * Sets a flag determining if this counter is only enabled if counting is
-     * {@link Debug#isCountEnabled() enabled}.
-     */
-    void setConditional(boolean flag);
-
-    /**
-     * Determines if this counter is only enabled if counting is {@link Debug#isCountEnabled()
-     * enabled}.
-     */
-    boolean isConditional();
-
-    /**
-     * Gets the current value of this counter.
-     */
-    long getCurrentValue();
-
-    /**
-     * Determines if this counter is enabled (either conditionally or unconditionally).
-     */
-    default boolean isEnabled() {
-        return !isConditional() || Debug.isCountEnabled();
-    }
-}