diff --git a/howto.md b/howto.md
index bde291f0c38f4b89c374ba1cb9e5b83aca5b614f..5055ef48f84a704fcbe3ad16044c999667aace38 100644
--- a/howto.md
+++ b/howto.md
@@ -82,4 +82,7 @@ apt install ca-certificates gnupg
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys BAC6F0C353D04109
 apt update
 apt install intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic
+
+source /opt/intel/oneapi/setvars.sh
+icpc -V
 ```
diff --git a/rpi-scripts/keep_unlocked.py b/rpi-scripts/keep_unlocked.py
deleted file mode 100644
index 1a4303d53ab55793a5bbcac0147835ae3073ea22..0000000000000000000000000000000000000000
--- a/rpi-scripts/keep_unlocked.py
+++ /dev/null
@@ -1,63 +0,0 @@
-# This module keeps target machine unlocked by one of two ways:
-#   1. moving mouse by 1 pixel every 58 seconds.
-#   2. press "PrintScreen" key every 58 seconds. (Pause/Break key is widely used in Powershell and Putty, it will break manything)
-
-import time, threading
-from hid import keyboard as fake_keyboard
-from hid import keycodes as hid_keycodes
-
-import os.path
-import os
-
-def wake_once_method_2(keyboard_path):
-    hid_keycode = hid_keycodes.KEYCODE_PRINT_SCREEN
-    hid_modifier_keycode = 0
-    failed = "success"
-
-    try:
-        fake_keyboard.send_keystroke(keyboard_path, hid_modifier_keycode, hid_keycode)
-    except Exception as e:
-        failed = "failed " + str(e)
-        pass
-    
-    #with open('/tmp/rlog2', 'w') as f:
-    #    f.write('DEBUG: triggered! status=' + str(failed))
-    
-def keep_awake_daemon_func(keyboard_path):
-    wake_once_method_2(keyboard_path)
-    while True:
-        time.sleep(60+58)
-        wake_once_method_2(keyboard_path)
-
-def send_up_enter(keyboard_path):
-    failed = "success"
-    try:
-        fake_keyboard.send_keystroke(keyboard_path, 0, hid_keycodes.KEYCODE_UP_ARROW)
-        time.sleep(1)
-        fake_keyboard.send_keystroke(keyboard_path, 0, hid_keycodes.KEYCODE_ENTER)
-    except Exception as e:
-        failed = "failed " + str(e)
-        pass
-
-def recv_restapi_func(keyboard_path):
-    prev_res = ""
-    while True:
-        time.sleep(1)
-        if os.path.isfile('/tmp/trigger'):
-            # os.remove('/tmp/trigger')
-            with open('/tmp/trigger') as f:
-                res = f.read()
-                if res != prev_res:
-                    print("DEBUG: triggered")
-                    send_up_enter(keyboard_path)
-                    prev_res = res
-
-def start_keep_awake_thread(keyboard_path):
-    thread = threading.Thread(target = keep_awake_daemon_func, args=(keyboard_path,))
-    thread.start()
-    thread = threading.Thread(target = recv_restapi_func, args=(keyboard_path,))
-    thread.start()
-    #with open('/tmp/rlog', 'w') as f:
-    #    f.write('DEBUG: keep unlocked thread started')
-    # Never join
-
diff --git a/rpi-scripts/simple-http-api.py b/rpi-scripts/simple-http-api.py
deleted file mode 100644
index 99ae6a39b23b9aa2f45174ed301ad2c34409c6fd..0000000000000000000000000000000000000000
--- a/rpi-scripts/simple-http-api.py
+++ /dev/null
@@ -1,34 +0,0 @@
-import http.server, socketserver
-import hashlib
-import random
-import subprocess
-
-listen_port = 30401
-
-class my_handler(http.server.BaseHTTPRequestHandler):
-    def do_HEAD(self):
-        self.send_header("Content-type", "text/plain; charset=utf-8")
-        self.end_headers()
-        self.send_response(200)
-    def do_GET(self):
-        self.send_response(200)
-        if self.path.startswith('/trigger'):
-            self.send_header("Content-type", "text/plain; charset=utf-8")
-            self.end_headers()
-            with open('/tmp/trigger', 'w+') as f:
-                f.write(str(random.random()))
-            self.wfile.write('ok'.encode('utf-8'))
-            return
-        self.send_response(403)
-        self.send_header("Content-type", "text/plain; charset=utf-8")
-        self.end_headers()
-        self.wfile.write('invalid get query.'.encode('utf-8'))
-
-
-try:
-    server = http.server.HTTPServer(('', listen_port), my_handler)
-    print('Listening *:' + str(listen_port))
-    server.serve_forever()
-except KeyboardInterrupt:
-    server.socket.close()
-
diff --git a/rpi-scripts/target-vm-test.sh b/rpi-scripts/target-vm-test.sh
deleted file mode 100644
index 6c023232fdae4f465dce93ddc1519a8d66218948..0000000000000000000000000000000000000000
--- a/rpi-scripts/target-vm-test.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-
-function ping_test () {
-    timeout 1s ping -c 1 10.0.0.4 &&
-    timeout 1s ping -c 1 10.0.0.5 &&
-    timeout 1s ping -c 1 10.0.0.6 &&
-    timeout 1s ping -c 1 10.0.0.7 &&
-    echo "passed $(date)"
-    return $?
-}
-
-while true; do
-    # api: restart bp
-    echo -n "API restart bp: "
-    curl http://recolic-home.freemyip.com:30401/trigger
-    date >> tests.log
-    sleep 7
-    ping_test && continue
-    sleep 10 # wait for second try
-    ping_test && continue
-    sleep 10 # wait for second try
-    ping_test && continue
-    sleep 60 # wait for second try
-    ping_test && continue
-    sleep 10 # wait for second try
-    ping_test && continue
-    echo "REPRO!!"
-    break
-done
-
-