diff --git a/python/build_utils.py b/python/build_utils.py
deleted file mode 100644
index cf58a97..0000000
--- a/python/build_utils.py
+++ /dev/null
@@ -1,226 +0,0 @@
-#
-# Copyright 2004,2009,2012 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.
-#
-
-"""Misc utilities used at build time
-"""
-
-import re, os, os.path
-from build_utils_codes import *
-
-
-# set srcdir to the directory that contains Makefile.am
-try:
-    srcdir = os.environ['srcdir']
-except KeyError, e:
-    srcdir = "."
-srcdir = srcdir + '/'
-
-# set do_makefile to either true or false dependeing on the environment
-try:
-    if os.environ['do_makefile'] == '0':
-        do_makefile = False
-    else:
-        do_makefile = True
-except KeyError, e:
-    do_makefile = False
-
-# set do_sources to either true or false dependeing on the environment
-try:
-    if os.environ['do_sources'] == '0':
-        do_sources = False
-    else:
-        do_sources = True
-except KeyError, e:
-    do_sources = True
-
-name_dict = {}
-
-def log_output_name (name):
-    (base, ext) = os.path.splitext (name)
-    ext = ext[1:]                       # drop the leading '.'
-
-    entry = name_dict.setdefault (ext, [])
-    entry.append (name)
-
-def open_and_log_name (name, dir):
-    global do_sources
-    if do_sources:
-        f = open (name, dir)
-    else:
-        f = None
-    log_output_name (name)
-    return f
-
-def expand_template (d, template_filename, extra = ""):
-    '''Given a dictionary D and a TEMPLATE_FILENAME, expand template into output file
-    '''
-    global do_sources
-    output_extension = extract_extension (template_filename)
-    template = open_src (template_filename, 'r')
-    output_name = d['NAME'] + extra + '.' + output_extension
-    log_output_name (output_name)
-    if do_sources:
-        output = open (output_name, 'w')
-        do_substitution (d, template, output)
-        output.close ()
-    template.close ()
-
-def output_glue (dirname):
-    output_makefile_fragment ()
-    output_ifile_include (dirname)
-
-def output_makefile_fragment ():
-    global do_makefile
-    if not do_makefile:
-        return
-# overwrite the source, which must be writable; this should have been
-# checked for beforehand in the top-level Makefile.gen.gen .
-    f = open (os.path.join (os.environ.get('gendir', os.environ.get('srcdir', '.')), 'Makefile.gen'), 'w')
-    f.write ('#\n# This file is machine generated.  All edits will be overwritten\n#\n')
-    output_subfrag (f, 'h')
-    output_subfrag (f, 'i')
-    output_subfrag (f, 'cc')
-    f.close ()
-
-def output_ifile_include (dirname):
-    global do_sources
-    if do_sources:
-        f = open ('%s_generated.i' % (dirname,), 'w')
-        f.write ('//\n// This file is machine generated.  All edits will be overwritten\n//\n')
-        files = name_dict.setdefault ('i', [])
-        files.sort ()
-        f.write ('%{\n')
-        for file in files:
-            f.write ('#include <%s>\n' % (file[0:-1] + 'h',))
-        f.write ('%}\n\n')
-        for file in files:
-            f.write ('%%include <%s>\n' % (file,))
-
-def output_subfrag (f, ext):
-    files = name_dict.setdefault (ext, [])
-    files.sort ()
-    f.write ("GENERATED_%s =" % (ext.upper ()))
-    for file in files:
-        f.write (" \\\n\t%s" % (file,))
-    f.write ("\n\n")
-
-def extract_extension (template_name):
-    # template name is something like: GrFIRfilterXXX.h.t
-    # we return everything between the penultimate . and .t
-    mo = re.search (r'\.([a-z]+)\.t$', template_name)
-    if not mo:
-        raise ValueError, "Incorrectly formed template_name '%s'" % (template_name,)
-    return mo.group (1)
-
-def open_src (name, mode):
-    global srcdir
-    return open (os.path.join (srcdir, name), mode)
-
-def do_substitution (d, in_file, out_file):
-    def repl (match_obj):
-        key = match_obj.group (1)
-        # print key
-        return d[key]
-
-    inp = in_file.read ()
-    out = re.sub (r"@([a-zA-Z0-9_]+)@", repl, inp)
-    out_file.write (out)
-
-
-
-copyright = '''/* -*- c++ -*- */
-/*
- * Copyright 2003,2004 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.
- */
-'''
-
-def is_complex (code3):
-    if i_code (code3) == 'c' or o_code (code3) == 'c':
-        return '1'
-    else:
-        return '0'
-
-
-def standard_dict (name, code3, package='gr'):
-    d = {}
-    d['NAME'] = name
-    d['NAME_IMPL'] = name+'_impl'
-    d['GUARD_NAME'] = 'INCLUDED_%s_%s_H' % (package.upper(), name.upper())
-    d['GUARD_NAME_IMPL'] = 'INCLUDED_%s_%s_IMPL_H' % (package.upper(), name.upper())
-    d['BASE_NAME'] = re.sub ('^' + package + '_', '', name)
-    d['SPTR_NAME'] = '%s_sptr' % name
-    d['WARNING'] = 'WARNING: this file is machine generated. Edits will be overwritten'
-    d['COPYRIGHT'] = copyright
-    d['TYPE'] = i_type (code3)
-    d['I_TYPE'] = i_type (code3)
-    d['O_TYPE'] = o_type (code3)
-    d['TAP_TYPE'] = tap_type (code3)
-    d['IS_COMPLEX'] = is_complex (code3)
-    return d
-
-
-def standard_dict2 (name, code3, package):
-    d = {}
-    d['NAME'] = name
-    d['BASE_NAME'] = name
-    d['GUARD_NAME'] = 'INCLUDED_%s_%s_H' % (package.upper(), name.upper())
-    d['WARNING'] = 'WARNING: this file is machine generated. Edits will be overwritten'
-    d['COPYRIGHT'] = copyright
-    d['TYPE'] = i_type (code3)
-    d['I_TYPE'] = i_type (code3)
-    d['O_TYPE'] = o_type (code3)
-    d['TAP_TYPE'] = tap_type (code3)
-    d['IS_COMPLEX'] = is_complex (code3)
-    return d
-
-def standard_impl_dict2 (name, code3, package):
-    d = {}
-    d['NAME'] = name
-    d['IMPL_NAME'] = name
-    d['BASE_NAME'] = name.rstrip("impl").rstrip("_")
-    d['GUARD_NAME'] = 'INCLUDED_%s_%s_H' % (package.upper(), name.upper())
-    d['WARNING'] = 'WARNING: this file is machine generated. Edits will be overwritten'
-    d['COPYRIGHT'] = copyright
-    d['FIR_TYPE'] = "fir_filter_" + code3
-    d['CFIR_TYPE'] = "fir_filter_" + code3[0:2] + 'c'
-    d['TYPE'] = i_type (code3)
-    d['I_TYPE'] = i_type (code3)
-    d['O_TYPE'] = o_type (code3)
-    d['TAP_TYPE'] = tap_type (code3)
-    d['IS_COMPLEX'] = is_complex (code3)
-    return d
diff --git a/python/build_utils_codes.py b/python/build_utils_codes.py
deleted file mode 100644
index 9ea96ba..0000000
--- a/python/build_utils_codes.py
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-# Copyright 2004 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.
-#
-
-def i_code (code3):
-    return code3[0]
-
-def o_code (code3):
-    if len (code3) >= 2:
-        return code3[1]
-    else:
-        return code3[0]
-
-def tap_code (code3):
-    if len (code3) >= 3:
-        return code3[2]
-    else:
-        return code3[0]
-
-def i_type (code3):
-    return char_to_type[i_code (code3)]
-
-def o_type (code3):
-    return char_to_type[o_code (code3)]
-
-def tap_type (code3):
-    return char_to_type[tap_code (code3)]
-
-
-char_to_type = {}
-char_to_type['s'] = 'short'
-char_to_type['i'] = 'int'
-char_to_type['f'] = 'float'
-char_to_type['c'] = 'gr_complex'
-char_to_type['b'] = 'unsigned char'