--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/IdentifierTreeImpl.java	2020-04-15 18:46:11.000000000 +0530
+++ /dev/null	2020-04-15 18:46:11.000000000 +0530
@@ -1,85 +0,0 @@
-/*
- * Copyright (c) 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 jdk.nashorn.api.tree;
-
-import jdk.nashorn.internal.ir.IdentNode;
-import jdk.nashorn.internal.ir.Module;
-
-final class IdentifierTreeImpl extends ExpressionTreeImpl implements IdentifierTree {
-    private final String name;
-
-    IdentifierTreeImpl(final IdentNode node) {
-        super(node);
-        this.name = node.getName();
-    }
-
-    @Override
-    public Kind getKind() {
-        return Kind.IDENTIFIER;
-    }
-
-    @Override
-    public String getName() {
-        return name;
-    }
-
-    @Override
-    public boolean isRestParameter() {
-        return ((IdentNode)node).isRestParameter();
-    }
-
-    @Override
-    public boolean isSuper() {
-        final IdentNode ident = (IdentNode)node;
-        return ident.isDirectSuper() || "super".equals(ident.getName());
-    }
-
-    @Override
-    public boolean isThis() {
-        return "this".equals(((IdentNode)node).getName());
-    }
-
-    @Override
-    public boolean isStar() {
-        return Module.STAR_NAME.equals(((IdentNode)node).getName());
-    }
-
-    @Override
-    public boolean isDefault() {
-        return Module.DEFAULT_NAME.equals(((IdentNode)node).getName());
-    }
-
-    @Override
-    public boolean isStarDefaultStar() {
-        return Module.DEFAULT_EXPORT_BINDING_NAME.equals(((IdentNode)node).getName());
-    }
-
-    @Override
-    public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
-        return visitor.visitIdentifier(this, data);
-    }
-}