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diff --git a/gr-digital/include/digital/scrambler_bb.h b/gr-digital/include/digital/scrambler_bb.h
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-/* -*- c++ -*- */
-/*
- * Copyright 2008,2012 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio 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 for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef INCLUDED_GR_SCRAMBLER_BB_H
-#define INCLUDED_GR_SCRAMBLER_BB_H
-
-#include <digital/api.h>
-#include <gnuradio/sync_block.h>
-
-namespace gr {
- namespace digital {
-
- /*!
- * \brief Scramble an input stream using an LFSR.
- * \ingroup coding_blk
- *
- * \details
- * This block works on the LSB only of the input data stream,
- * i.e., on an "unpacked binary" stream, and produces the same
- * format on its output.
- */
- class DIGITAL_API scrambler_bb : virtual public sync_block
- {
- public:
- // gr::digital::scrambler_bb::sptr
- typedef boost::shared_ptr<scrambler_bb> sptr;
-
- /*!
- * Make a scramber block.
- *
- * \param mask Polynomial mask for LFSR
- * \param seed Initial shift register contents
- * \param len Shift register length
- */
- static sptr make(int mask, int seed, int len);
- };
-
- } /* namespace digital */
-} /* namespace gr */
-
-#endif /* INCLUDED_GR_SCRAMBLER_BB_H */