diff --git a/travis/build.py b/travis/build.py
deleted file mode 100755
index a106f3d..0000000
--- a/travis/build.py
+++ /dev/null
@@ -1,131 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-#
-# build.py — build a sketch using arduino-builder
-#
-# Wrapper script around arduino-builder which accepts some ESP8266-specific
-# options and translates them into FQBN
-#
-# Copyright © 2016 Ivan Grokhotkov
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-#
-
-
-from __future__ import print_function
-import sys
-import os
-import argparse
-import subprocess
-import tempfile
-import shutil
-
-def compile(tmp_dir, sketch, tools_dir, hardware_dir, ide_path, f, args):
-    cmd = ide_path + '/arduino-builder '
-    cmd += '-compile -logger=human '
-    cmd += '-build-path "' + tmp_dir + '" '
-    cmd += '-tools "' +  ide_path + '/tools-builder" '
-    if args.library_path:
-        for lib_dir in args.library_path:
-            cmd += '-libraries "' + lib_dir + '" '
-    cmd += '-hardware "' + ide_path + '/hardware" '
-    if args.hardware_dir:
-        for hw_dir in args.hardware_dir:
-            cmd += '-hardware "' + hw_dir + '" '
-    else:
-        cmd += '-hardware "' + hardware_dir + '" '
-    # Debug=Serial,DebugLevel=Core____
-    cmd += '-fqbn=espressif:esp32:{board_name}:' \
-            'FlashFreq={flash_freq},' \
-            'PartitionScheme=huge_app,' \
-            'UploadSpeed=921600'.format(**vars(args))
-    cmd += ' '
-    cmd += '-ide-version=10607 '
-    cmd += '-warnings={warnings} '.format(**vars(args))
-    if args.verbose:
-        cmd += '-verbose '
-    cmd += sketch
-
-    if args.verbose:
-        print('Building: ' + cmd, file=f)
-
-    cmds = cmd.split(' ')
-    p = subprocess.Popen(cmds, stdout=f, stderr=subprocess.STDOUT)
-    p.wait()
-    return p.returncode
-
-def parse_args():
-    parser = argparse.ArgumentParser(description='Sketch build helper')
-    parser.add_argument('-v', '--verbose', help='Enable verbose output',
-                        action='store_true')
-    parser.add_argument('-i', '--ide_path', help='Arduino IDE path')
-    parser.add_argument('-p', '--build_path', help='Build directory')
-    parser.add_argument('-l', '--library_path', help='Additional library path',
-                        action='append')
-    parser.add_argument('-d', '--hardware_dir', help='Additional hardware path',
-                        action='append')
-    parser.add_argument('-b', '--board_name', help='Board name', default='esp32')
-    parser.add_argument('-w', '--warnings', help='Compilation warnings level',
-                        default='none', choices=['none', 'all', 'more'])
-    parser.add_argument('-o', '--output_binary', help='File name for output binary')
-    parser.add_argument('-k', '--keep', action='store_true',
-                        help='Don\'t delete temporary build directory')
-    parser.add_argument('--flash_freq', help='Flash frequency', default=40,
-                        type=int, choices=[40, 80])
-    parser.add_argument('sketch_path', help='Sketch file path')
-    return parser.parse_args()
-
-def main():
-    args = parse_args()
-
-    ide_path = args.ide_path
-    if not ide_path:
-        ide_path = os.environ.get('ARDUINO_IDE_PATH')
-        if not ide_path:
-            print("Please specify Arduino IDE path via --ide_path option"
-                  "or ARDUINO_IDE_PATH environment variable.", file=sys.stderr)
-            return 2
-
-    sketch_path = args.sketch_path
-    tmp_dir = args.build_path
-    created_tmp_dir = False
-    if not tmp_dir:
-        tmp_dir = tempfile.mkdtemp()
-        created_tmp_dir = True
-
-    tools_dir = os.path.dirname(os.path.realpath(__file__)) + '/../tools'
-    # this is not the correct hardware folder to add.
-    hardware_dir = ide_path + '/hardware'
-
-    output_name = tmp_dir + '/' + os.path.basename(sketch_path) + '.bin'
-    if args.verbose:
-        print("Sketch: ", sketch_path)
-        print("Build dir: ", tmp_dir)
-        print("Output: ", output_name)
-
-    if args.verbose:
-        f = sys.stdout
-    else:
-        f = open(tmp_dir + '/build.log', 'w')
-
-    res = compile(tmp_dir, sketch_path, tools_dir, hardware_dir, ide_path, f, args)
-    if res != 0:
-        return res
-
-    if args.output_binary is not None:
-        shutil.copy(output_name, args.output_binary)
-
-    if created_tmp_dir and not args.keep:
-        shutil.rmtree(tmp_dir, ignore_errors=True)
-
-if __name__ == '__main__':
-    sys.exit(main())
diff --git a/travis/common.sh b/travis/common.sh
deleted file mode 100755
index d299b4f..0000000
--- a/travis/common.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash
-
-function build_sketches()
-{
-    #set +e
-    local arduino=$1
-    local srcpath=$2
-    local build_arg=$3
-    local build_dir=build.tmp
-    mkdir -p $build_dir
-    local build_cmd="python travis/build.py -b esp32 -k -p $PWD/$build_dir $build_arg "
-    local sketches=$(find $srcpath -name *.ino)
-    export ARDUINO_IDE_PATH=$arduino
-    for sketch in $sketches; do
-        rm -rf $build_dir/*
-        local sketchdir=$(dirname $sketch)
-        local sketchdirname=$(basename $sketchdir)
-        local sketchname=$(basename $sketch)
-        if [[ "${sketchdirname}.ino" != "$sketchname" ]]; then
-            echo "Skipping $sketch, beacause it is not the main sketch file";
-            continue
-        fi;
-        if [[ -f "$sketchdir/.test.skip" ]]; then
-            echo -e "\n ------------ Skipping $sketch ------------ \n";
-            continue
-        fi
-        echo -e "\n ------------ Building $sketch ------------ \n";
-        time ($build_cmd $sketch >$build_dir/build.log)
-        local result=$?
-        if [ $result -ne 0 ]; then
-            echo "Build failed ($1)"
-            echo "Build log:"
-            cat $build_dir/build.log
-            return $result
-        fi
-        rm $build_dir/build.log
-    done
-    #set -e
-}