diff --git a/README b/README
index 95424bd..e9e76d6 100644
--- a/README
+++ b/README
@@ -19,29 +19,11 @@ The licence of programs in the tests directory is GPL v3.
 https://launchpad.net/libmodbus
 http://copyleft.free.fr/wordpress/index.php/libmodbus/
 
-
 Installation
 ============
 
-WARNING, don't use the two build systems at the same time.
-
-With autotools
---------------
 The shell commands are './configure; make; make install'.
 
-With Waf
---------
-The build system is Waf (http://code.google.com/p/waf), the shell commandes are:
-  $ ./waf configure
-  $ ./waf build
-  $ sudo ./waf install
-
-or 'waf' if you use a global Waf script.
-
-The sources are built in the 'build' directory at the root of the
-project source files.
-
-
 Testing
 =======
 
diff --git a/src/wscript_build b/src/wscript_build
deleted file mode 100644
index 86a43cb..0000000
--- a/src/wscript_build
+++ /dev/null
@@ -1,8 +0,0 @@
-obj = bld.new_task_gen(
-    features='cc cshlib',
-    source='modbus.c',
-    target='modbus',
-    vnum=VERSION,
-    includes='. ..')
-
-bld.install_files('${PREFIX}/include/modbus', 'modbus.h')
diff --git a/tests/wscript_build b/tests/wscript_build
deleted file mode 100644
index 4f75d40..0000000
--- a/tests/wscript_build
+++ /dev/null
@@ -1,15 +0,0 @@
-programs = ('random-test-slave',
-            'unit-test-slave',
-            'unit-test-master',
-            'bandwidth-slave-one',
-            'bandwidth-slave-many-up',
-            'bandwidth-master')
-
-for program in programs:
-    obj = bld.new_task_gen(
-        features = 'cc cprogram',
-        source = program + '.c',
-        target = program,
-        includes = '. ../src',
-        uselib_local = 'modbus',
-        install_path='')
diff --git a/waf b/waf
deleted file mode 100755
index a8c8129..0000000
--- a/waf
+++ /dev/null
diff --git a/wscript b/wscript
deleted file mode 100755
index 014c975..0000000
--- a/wscript
+++ /dev/null
@@ -1,66 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-VERSION = '2.2.0'
-APPNAME = 'libmodbus'
-
-# these variables are mandatory ('/' are converted automatically)
-srcdir = '.'
-blddir = 'build'
-
-def set_options(opt):
-     # options provided by the modules
-     opt.tool_options('compiler_cc')
-
-def configure(conf):
-     conf.check_tool('compiler_cc')
-     conf.check_tool('misc')
-
-     headers = 'string.h termios.h sys/time.h \
-                unistd.h errno.h limits.h fcntl.h \
-                sys/types.h sys/socket.h sys/ioctl.h \
-                netinet/in.h netinet/ip.h netinet/tcp.h arpa/inet.h'
-
-     # check for headers and append found headers to headers_found for later use
-     headers_found = []
-     for header in headers.split():
-          if conf.check_cc(header_name=header):
-               headers_found.append(header)
-
-     functions_headers = (
-          ('setsockopt', 'sys/socket.h'),
-          ('inet_ntoa', 'arpa/inet.h'),
-          ('memset', 'string.h'),
-          ('select', 'sys/select.h'),
-          ('socket', 'sys/socket.h'),
-          )
-
-     for (function, headers) in functions_headers:
-          conf.check_cc(function_name=function, header_name=headers, mandatory=1)
-
-     conf.define('VERSION', VERSION)
-     conf.define('PACKAGE', 'libmodbus')
-     conf.write_config_header('config.h')
-
-def build(bld):
-     import misc
-
-     bld.add_subdirs('src tests')
-
-     obj = bld.new_task_gen(features='subst',
-                            source='modbus.pc.in',
-                            target='modbus.pc',
-                            dict = {'VERSION' : VERSION,
-                                    'prefix': bld.env['PREFIX'],
-                                    'exec_prefix': bld.env['PREFIX'],
-                                    'libdir': bld.env['PREFIX'] + 'lib',
-                                    'includedir': bld.env['PREFIX'] + 'include'}
-                            )
-
-     bld.install_files('${PREFIX}/lib/pkgconfig', 'modbus.pc')
-
-def shutdown():
-     import UnitTest
-     unittest = UnitTest.unit_test()
-     unittest.run()
-     unittest.print_results()