--- a/test/jdk/java/net/httpclient/http2/java.net.http/java/net/http/internal/hpack/SpecHelper.java	Wed Feb 07 15:46:30 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2014, 2017, 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 java.net.http.internal.hpack;
-
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-
-//
-// THIS IS NOT A TEST
-//
-public final class SpecHelper {
-
-    private SpecHelper() {
-        throw new AssertionError();
-    }
-
-    public static ByteBuffer toBytes(String hexdump) {
-        Pattern hexByte = Pattern.compile("[0-9a-fA-F]{2}");
-        List<String> bytes = new ArrayList<>();
-        Matcher matcher = hexByte.matcher(hexdump);
-        while (matcher.find()) {
-            bytes.add(matcher.group(0));
-        }
-        ByteBuffer result = ByteBuffer.allocate(bytes.size());
-        for (String f : bytes) {
-            result.put((byte) Integer.parseInt(f, 16));
-        }
-        result.flip();
-        return result;
-    }
-
-    public static String toHexdump(ByteBuffer bb) {
-        List<String> words = new ArrayList<>();
-        int i = 0;
-        while (bb.hasRemaining()) {
-            if (i % 2 == 0) {
-                words.add("");
-            }
-            byte b = bb.get();
-            String hex = Integer.toHexString(256 + Byte.toUnsignedInt(b)).substring(1);
-            words.set(i / 2, words.get(i / 2) + hex);
-            i++;
-        }
-        return words.stream().collect(Collectors.joining(" "));
-    }
-}