diff --git a/_ssh_debug.py b/_ssh_debug.py
deleted file mode 100644
index 10c2070..0000000
--- a/_ssh_debug.py
+++ /dev/null
@@ -1,23 +0,0 @@
-import paramiko, sys
-
-host = "185.250.47.205"
-user = "root"
-pwd = "0i1sbf9NM36FkG5dFH"
-
-def run(cmd, timeout=30):
-    ssh = paramiko.SSHClient()
-    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
-    ssh.connect(host, username=user, password=pwd, timeout=10)
-    stdin, stdout, stderr = ssh.exec_command(cmd, timeout=timeout)
-    out = stdout.read().decode(errors="replace")
-    err = stderr.read().decode(errors="replace")
-    rc = stdout.channel.recv_exit_status()
-    ssh.close()
-    return rc, out, err
-
-if __name__ == "__main__":
-    cmd = " ".join(sys.argv[1:]) if len(sys.argv) > 1 else "echo ok"
-    rc, out, err = run(cmd)
-    if out: print(out, end="")
-    if err: print("STDERR:", err, end="")
-    print(f"\n[exit {rc}]")
diff --git a/_test_tcp_ping.py b/_test_tcp_ping.py
deleted file mode 100644
index f266ff7..0000000
--- a/_test_tcp_ping.py
+++ /dev/null
@@ -1,58 +0,0 @@
-import paramiko
-
-host = "185.250.47.205"
-user = "root"
-pwd = "0i1sbf9NM36FkG5dFH"
-
-test_script = """#!/bin/bash
-tcp_ping() {
-    local ip="$1" port="$2" tout="${3:-3}"
-    local raw
-    raw=$(curl -so /dev/null -w '%{time_connect}' --max-time "$tout" --connect-timeout "$tout" "http://${ip}:${port}/" 2>/dev/null)
-    [ -z "$raw" ] && return 1
-    local ms
-    ms=$(awk "BEGIN {v=$raw*1000; if(v<0.5) exit 1; printf \\"%.2f\\", v}" 2>/dev/null) || return 1
-    echo "$ms"
-}
-
-smart_ping() {
-    local ip="$1" tout="${2:-3}" port="${3:-}"
-    local ms
-    ms=$(ping -c 1 -W "$tout" "$ip" 2>/dev/null | sed -n 's/.*time=\\([0-9.]*\\).*/\\1/p')
-    if [ -n "$ms" ]; then echo "ICMP: ${ms}ms"; return 0; fi
-    [ -z "$port" ] && { echo "NO_PORT"; return 1; }
-    ms=$(tcp_ping "$ip" "$port" "$tout")
-    if [ -n "$ms" ]; then echo "TCP: ${ms}ms"; return 0; fi
-    echo "TIMEOUT"
-    return 1
-}
-
-echo "=== Test 1: ICMP to 8.8.8.8 ==="
-smart_ping "8.8.8.8" 3
-
-echo "=== Test 2: ICMP to 193.124.225.26 (no port) ==="
-smart_ping "193.124.225.26" 3
-
-echo "=== Test 3: smart_ping 193.124.225.26 TCP:443 ==="
-smart_ping "193.124.225.26" 3 "443"
-
-echo "=== Test 4: tcp_ping raw ==="
-result=$(tcp_ping "193.124.225.26" "443" 3)
-echo "result=$result rc=$?"
-"""
-
-ssh = paramiko.SSHClient()
-ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
-ssh.connect(host, username=user, password=pwd, timeout=10)
-
-sftp = ssh.open_sftp()
-with sftp.file("/tmp/_kaskad_test.sh", "w") as f:
-    f.write(test_script)
-sftp.close()
-
-stdin, stdout, stderr = ssh.exec_command("bash /tmp/_kaskad_test.sh", timeout=30)
-print(stdout.read().decode(errors="replace"))
-err = stderr.read().decode(errors="replace")
-if err:
-    print("STDERR:", err)
-ssh.close()