diff --git a/Azaion.Common/Services/AnnotationService.cs b/Azaion.Common/Services/AnnotationService.cs
index a9859cd..af769fe 100644
--- a/Azaion.Common/Services/AnnotationService.cs
+++ b/Azaion.Common/Services/AnnotationService.cs
@@ -39,7 +39,6 @@ public class AnnotationService : INotificationHandler<AnnotationsDeletedEvent>
         IOptions<UIConfig> uiConfig,
         IGalleryService galleryService,
         IMediator mediator,
-        IHardwareService hardwareService,
         IAzaionApi api)
     {
         _dbFactory = dbFactory;
diff --git a/Azaion.CommonSecurity/Services/AuthProvider.cs b/Azaion.CommonSecurity/Services/AuthProvider.cs
index a729a6f..4baabf5 100644
--- a/Azaion.CommonSecurity/Services/AuthProvider.cs
+++ b/Azaion.CommonSecurity/Services/AuthProvider.cs
@@ -11,10 +11,10 @@ public interface IAzaionApi
     ApiCredentials Credentials { get; }
     User CurrentUser { get; }
     void UpdateOffsets(UserQueueOffsets offsets);
-    Stream GetResource(string filename, string folder);
+    //Stream GetResource(string filename, string folder);
 }
 
-public class AzaionApi(HttpClient client, ICache cache, ApiCredentials credentials, IHardwareService hardwareService) : IAzaionApi
+public class AzaionApi(HttpClient client, ICache cache, ApiCredentials credentials) : IAzaionApi
 {
     private string _jwtToken = null!;
     const string APP_JSON = "application/json";
@@ -32,17 +32,6 @@ public class AzaionApi(HttpClient client, ICache cache, ApiCredentials credentia
         }
     }
 
-    public Stream GetResource(string filename, string folder)
-    {
-        var hardware = cache.GetFromCache(SecurityConstants.HARDWARE_INFO_KEY, hardwareService.GetHardware);
-
-        var response = Send(new HttpRequestMessage(HttpMethod.Post, $"/resources/get/{folder}")
-        {
-            Content = new StringContent(JsonConvert.SerializeObject(new { filename, credentials.Password, hardware }), Encoding.UTF8, APP_JSON)
-        });
-        return response.Content.ReadAsStream();
-    }
-
     public void UpdateOffsets(UserQueueOffsets offsets)
     {
         Put($"/users/queue-offsets/{CurrentUser.Email}", offsets);
diff --git a/Azaion.CommonSecurity/Services/HardwareService.cs b/Azaion.CommonSecurity/Services/HardwareService.cs
index e61cadf..ec13a92 100644
--- a/Azaion.CommonSecurity/Services/HardwareService.cs
+++ b/Azaion.CommonSecurity/Services/HardwareService.cs
@@ -8,96 +8,96 @@ namespace Azaion.CommonSecurity.Services;
 
 public interface IHardwareService
 {
-    HardwareInfo GetHardware();
+    //HardwareInfo GetHardware();
 }
 
 public class HardwareService : IHardwareService
 {
-    private const string WIN32_GET_HARDWARE_COMMAND =
-        "powershell -Command \"" +
-        "Get-CimInstance -ClassName Win32_Processor | Select-Object -ExpandProperty Name | Write-Output; " +
-        "Get-CimInstance -ClassName Win32_VideoController | Select-Object -ExpandProperty Name | Write-Output; " +
-        "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output" +
-        "\"";
+    // private const string WIN32_GET_HARDWARE_COMMAND =
+    //     "powershell -Command \"" +
+    //     "Get-CimInstance -ClassName Win32_Processor | Select-Object -ExpandProperty Name | Write-Output; " +
+    //     "Get-CimInstance -ClassName Win32_VideoController | Select-Object -ExpandProperty Name | Write-Output; " +
+    //     "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output" +
+    //     "\"";
+    //
+    // private const string UNIX_GET_HARDWARE_COMMAND =
+    //     "/bin/bash -c \"free -g | grep Mem: | awk '{print $2}' && " +
+    //     "lscpu | grep 'Model name:' | cut -d':' -f2 && " +
+    //     "lspci | grep VGA | cut -d':' -f3\"";
 
-    private const string UNIX_GET_HARDWARE_COMMAND =
-        "/bin/bash -c \"free -g | grep Mem: | awk '{print $2}' && " +
-        "lscpu | grep 'Model name:' | cut -d':' -f2 && " +
-        "lspci | grep VGA | cut -d':' -f3\"";
+    // public HardwareInfo GetHardware()
+    // {
+    //     try
+    //     {
+    //         var output = RunCommand(Environment.OSVersion.Platform == PlatformID.Win32NT
+    //             ? WIN32_GET_HARDWARE_COMMAND
+    //             : UNIX_GET_HARDWARE_COMMAND);
+    //
+    //         var lines = output
+    //             .Replace("TotalVisibleMemorySize=", "")
+    //             .Replace("Name=", "")
+    //             .Replace("  ", " ")
+    //             .Trim()
+    //             .Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries)
+    //             .Select(x => x.Trim())
+    //             .ToArray();
+    //
+    //         if (lines.Length < 3)
+    //             throw new Exception("Can't get hardware info");
+    //
+    //         var hardwareInfo = new HardwareInfo
+    //         {
+    //             CPU = lines[0],
+    //             GPU = lines[1],
+    //             Memory = lines[2],
+    //             MacAddress = GetMacAddress()
+    //         };
+    //         return hardwareInfo;
+    //     }
+    //     catch (Exception ex)
+    //     {
+    //         Console.WriteLine(ex.Message);
+    //         throw;
+    //     }
+    // }
 
-    public HardwareInfo GetHardware()
-    {
-        try
-        {
-            var output = RunCommand(Environment.OSVersion.Platform == PlatformID.Win32NT
-                ? WIN32_GET_HARDWARE_COMMAND
-                : UNIX_GET_HARDWARE_COMMAND);
+    // private string GetMacAddress()
+    // {
+    //     var macAddress = NetworkInterface
+    //         .GetAllNetworkInterfaces()
+    //         .Where(nic => nic.OperationalStatus == OperationalStatus.Up)
+    //         .Select(nic => nic.GetPhysicalAddress().ToString())
+    //         .FirstOrDefault();
+    //
+    //     return macAddress ?? string.Empty;
+    // }
+    //
+    // private string RunCommand(string command)
+    // {
+    //     try
+    //     {
+    //         using var process = new Process();
+    //         process.StartInfo.FileName = Environment.OSVersion.Platform == PlatformID.Unix ? "/bin/bash" : "cmd.exe";
+    //         process.StartInfo.Arguments = Environment.OSVersion.Platform == PlatformID.Unix
+    //             ? $"-c \"{command}\""
+    //             : $"/c {command}";
+    //         process.StartInfo.RedirectStandardOutput = true;
+    //         process.StartInfo.UseShellExecute = false;
+    //         process.StartInfo.CreateNoWindow = true;
+    //
+    //         process.Start();
+    //         var result = process.StandardOutput.ReadToEnd();
+    //         process.WaitForExit();
+    //
+    //         return result.Trim();
+    //     }
+    //     catch
+    //     {
+    //         return string.Empty;
+    //     }
+    // }
 
-            var lines = output
-                .Replace("TotalVisibleMemorySize=", "")
-                .Replace("Name=", "")
-                .Replace("  ", " ")
-                .Trim()
-                .Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries)
-                .Select(x => x.Trim())
-                .ToArray();
-
-            if (lines.Length < 3)
-                throw new Exception("Can't get hardware info");
-
-            var hardwareInfo = new HardwareInfo
-            {
-                CPU = lines[0],
-                GPU = lines[1],
-                Memory = lines[2],
-                MacAddress = GetMacAddress()
-            };
-            return hardwareInfo;
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine(ex.Message);
-            throw;
-        }
-    }
-
-    private string GetMacAddress()
-    {
-        var macAddress = NetworkInterface
-            .GetAllNetworkInterfaces()
-            .Where(nic => nic.OperationalStatus == OperationalStatus.Up)
-            .Select(nic => nic.GetPhysicalAddress().ToString())
-            .FirstOrDefault();
-
-        return macAddress ?? string.Empty;
-    }
-
-    private string RunCommand(string command)
-    {
-        try
-        {
-            using var process = new Process();
-            process.StartInfo.FileName = Environment.OSVersion.Platform == PlatformID.Unix ? "/bin/bash" : "cmd.exe";
-            process.StartInfo.Arguments = Environment.OSVersion.Platform == PlatformID.Unix
-                ? $"-c \"{command}\""
-                : $"/c {command}";
-            process.StartInfo.RedirectStandardOutput = true;
-            process.StartInfo.UseShellExecute = false;
-            process.StartInfo.CreateNoWindow = true;
-
-            process.Start();
-            var result = process.StandardOutput.ReadToEnd();
-            process.WaitForExit();
-
-            return result.Trim();
-        }
-        catch
-        {
-            return string.Empty;
-        }
-    }
-
-    private static string ToHash(string str) =>
-        Convert.ToBase64String(SHA384.HashData(Encoding.UTF8.GetBytes(str)));
+    // private static string ToHash(string str) =>
+    //     Convert.ToBase64String(SHA384.HashData(Encoding.UTF8.GetBytes(str)));
 
 }
diff --git a/Azaion.CommonSecurity/Services/InferenceClient.cs b/Azaion.CommonSecurity/Services/InferenceClient.cs
index afbc0dd..cad5c98 100644
--- a/Azaion.CommonSecurity/Services/InferenceClient.cs
+++ b/Azaion.CommonSecurity/Services/InferenceClient.cs
@@ -60,7 +60,8 @@ public class InferenceClient : IInferenceClient
 
     private async Task ProcessClientCommands()
     {
-
+        //TODO: implement always on ready to client's requests. Utilize RemoteCommand
+        await Task.CompletedTask;
     }
 
     public void Stop()
diff --git a/Azaion.Inference/api_client.pyx b/Azaion.Inference/api_client.pyx
index dffaf3f..5de25db 100644
--- a/Azaion.Inference/api_client.pyx
+++ b/Azaion.Inference/api_client.pyx
@@ -8,17 +8,18 @@ cimport constants
 import yaml
 
 from cdn_manager cimport CDNManager, CDNCredentials
-from hardware_service cimport HardwareService, HardwareInfo
+from hardware_service cimport HardwareService
 from security cimport Security
 from user cimport User, RoleEnum
 
 cdef class ApiClient:
     """Handles API authentication and downloading of the AI model."""
-    def __init__(self):
+    def __init__(self, str api_url):
         self.credentials = None
         self.user = None
         self.token = None
         self.cdn_manager = None
+        self.api_url = api_url
 
     cdef set_credentials(self, Credentials credentials):
         self.credentials = credentials
@@ -33,12 +34,13 @@ cdef class ApiClient:
         self.cdn_manager = CDNManager(creds)
 
     cdef login(self):
-        response = requests.post(f"{constants.API_URL}/login",
-                                 json={"email": self.credentials.email, "password": self.credentials.password})
+        response = requests.post(f"{self.api_url}/login",
+            json={"email": self.credentials.email, "password": self.credentials.password})
         response.raise_for_status()
         token = response.json()["token"]
         self.set_token(token)
 
+
     cdef set_token(self, str token):
         self.token = token
         claims = jwt.decode(token, options={"verify_signature": False})
@@ -73,23 +75,22 @@ cdef class ApiClient:
     cdef upload_file(self, str filename,  bytes resource, str folder):
         if self.token is None:
             self.login()
-        url = f"{constants.API_URL}/resources/{folder}"
+        url = f"{self.api_url}/resources/{folder}"
         headers = { "Authorization": f"Bearer {self.token}" }
         files = {'data': (filename, resource)}
         try:
             r = requests.post(url, headers=headers, files=files, allow_redirects=True)
             r.raise_for_status()
-            constants.log(f"Uploaded {filename} to {constants.API_URL}/{folder} successfully: {r.status_code}.")
+            constants.log(f"Uploaded {filename} to {self.api_url}/{folder} successfully: {r.status_code}.")
         except Exception as e:
             constants.log(f"Upload fail: {e}")
 
     cdef load_bytes(self, str filename, str folder):
         hardware_service = HardwareService()
-        cdef HardwareInfo hardware = hardware_service.get_hardware_info()
-
+        cdef str hardware = hardware_service.get_hardware_info()
         if self.token is None:
             self.login()
-        url = f"{constants.API_URL}/resources/get/{folder}"
+        url = f"{self.api_url}/resources/get/{folder}"
         headers = {
             "Authorization": f"Bearer {self.token}",
             "Content-Type": "application/json"
@@ -98,7 +99,7 @@ cdef class ApiClient:
         payload = json.dumps(
         {
             "password": self.credentials.password,
-            "hardware": hardware.to_json_object(),
+            "hardware": hardware,
             "fileName": filename
         }, indent=4)
         response = requests.post(url, data=payload, headers=headers, stream=True)
diff --git a/Azaion.Inference/azaion-inference.spec b/Azaion.Inference/azaion-inference.spec
index 5a83791..c71752a 100644
--- a/Azaion.Inference/azaion-inference.spec
+++ b/Azaion.Inference/azaion-inference.spec
@@ -28,8 +28,6 @@ tmp_ret = collect_all('pynvml')
 datas += tmp_ret[0]; binaries += tmp_ret[1]; hiddenimports += tmp_ret[2]
 tmp_ret = collect_all('boto3')
 datas += tmp_ret[0]; binaries += tmp_ret[1]; hiddenimports += tmp_ret[2]
-tmp_ret = collect_all('re')
-datas += tmp_ret[0]; binaries += tmp_ret[1]; hiddenimports += tmp_ret[2]
 tmp_ret = collect_all('jwt')
 datas += tmp_ret[0]; binaries += tmp_ret[1]; hiddenimports += tmp_ret[2]
 
diff --git a/Azaion.Inference/build.cmd b/Azaion.Inference/build.cmd
index f21a7b9..5c70e65 100644
--- a/Azaion.Inference/build.cmd
+++ b/Azaion.Inference/build.cmd
@@ -31,7 +31,6 @@ venv\Scripts\pyinstaller --name=azaion-inference ^
 --collect-all pycuda ^
 --collect-all pynvml ^
 --collect-all boto3 ^
---collect-all re ^
 --collect-all jwt ^
 --hidden-import constants ^
 --hidden-import annotation ^
diff --git a/Azaion.Inference/config.production.yaml b/Azaion.Inference/config.production.yaml
index e575821..839b6fc 100644
--- a/Azaion.Inference/config.production.yaml
+++ b/Azaion.Inference/config.production.yaml
@@ -1 +1,2 @@
-zmq_port: 5131
\ No newline at end of file
+zmq_port: 5131
+api_url: https://api.azaion.com
\ No newline at end of file
diff --git a/Azaion.Inference/config.yaml b/Azaion.Inference/config.yaml
index 20a1884..3317558 100644
--- a/Azaion.Inference/config.yaml
+++ b/Azaion.Inference/config.yaml
@@ -1 +1,2 @@
-zmq_port: 5127
\ No newline at end of file
+zmq_port: 5127
+api_url: http://localhost:5219
\ No newline at end of file
diff --git a/Azaion.Inference/constants.pxd b/Azaion.Inference/constants.pxd
index 660c97e..1e678c8 100644
--- a/Azaion.Inference/constants.pxd
+++ b/Azaion.Inference/constants.pxd
@@ -4,7 +4,6 @@ cdef int QUEUE_MAXSIZE         # Maximum size of the command queue
 cdef str COMMANDS_QUEUE        # Name of the commands queue in rabbit
 cdef str ANNOTATIONS_QUEUE     # Name of the annotations queue in rabbit
 
-cdef str API_URL               # Base URL for the external API
 cdef str QUEUE_CONFIG_FILENAME # queue config filename to load from api
 
 cdef str AI_ONNX_MODEL_FILE
diff --git a/Azaion.Inference/constants.pyx b/Azaion.Inference/constants.pyx
index a8f384c..80f5f2c 100644
--- a/Azaion.Inference/constants.pyx
+++ b/Azaion.Inference/constants.pyx
@@ -6,7 +6,6 @@ cdef int QUEUE_MAXSIZE = 1000  # Maximum size of the command queue
 cdef str COMMANDS_QUEUE = "azaion-commands"
 cdef str ANNOTATIONS_QUEUE = "azaion-annotations"
 
-cdef str API_URL = "https://api.azaion.com"  # Base URL for the external API
 cdef str QUEUE_CONFIG_FILENAME = "secured-config.json"
 
 cdef str AI_ONNX_MODEL_FILE = "azaion.onnx"
diff --git a/Azaion.Inference/hardware_service.pxd b/Azaion.Inference/hardware_service.pxd
index 2a700a2..628e9e7 100644
--- a/Azaion.Inference/hardware_service.pxd
+++ b/Azaion.Inference/hardware_service.pxd
@@ -1,11 +1,6 @@
-cdef class HardwareInfo:
-    cdef str cpu, gpu, memory, mac_address
-    cdef to_json_object(self)
-
 cdef class HardwareService:
     cdef bint is_windows
-    cdef get_mac_address(self, interface=*)
 
     @staticmethod
     cdef has_nvidia_gpu()
-    cdef HardwareInfo get_hardware_info(self)
\ No newline at end of file
+    cdef str get_hardware_info(self)
\ No newline at end of file
diff --git a/Azaion.Inference/hardware_service.pyx b/Azaion.Inference/hardware_service.pyx
index 9782b21..9501b77 100644
--- a/Azaion.Inference/hardware_service.pyx
+++ b/Azaion.Inference/hardware_service.pyx
@@ -1,25 +1,6 @@
-import re
 import subprocess
-import psutil
 import pynvml
 
-cdef class HardwareInfo:
-    def __init__(self, str cpu, str gpu, str memory, str mac_address):
-        self.cpu = cpu
-        self.gpu = gpu
-        self.memory = memory
-        self.mac_address = mac_address
-
-    cdef to_json_object(self):
-        return {
-            "CPU": self.cpu,
-            "GPU": self.gpu,
-            "MacAddress": self.mac_address,
-            "Memory": self.memory
-        }
-
-    def __str__(self):
-        return f'CPU: {self.cpu}. GPU: {self.gpu}. Memory: {self.memory}. MAC Address: {self.mac_address}'
 
 cdef class HardwareService:
     """Handles hardware information retrieval and hash generation."""
@@ -35,15 +16,6 @@ cdef class HardwareService:
             print('Error during os type checking')
             self.is_windows = False
 
-    cdef get_mac_address(self, interface="Ethernet"):
-        addresses = psutil.net_if_addrs()
-        for interface_name, interface_info in addresses.items():
-            if interface_name == interface:
-                for addr in interface_info:
-                    if addr.family == psutil.AF_LINK:
-                        return addr.address.replace('-', '')
-        return None
-
     @staticmethod
     cdef has_nvidia_gpu():
         try:
@@ -67,13 +39,14 @@ cdef class HardwareService:
                 print('Failed to shutdown pynvml cause probably no NVidia GPU')
                 pass
 
-    cdef HardwareInfo get_hardware_info(self):
+    cdef str get_hardware_info(self):
         if self.is_windows:
             os_command = (
                 "powershell -Command \""
                 "Get-CimInstance -ClassName Win32_Processor | Select-Object -ExpandProperty Name | Write-Output; "
                 "Get-CimInstance -ClassName Win32_VideoController | Select-Object -ExpandProperty Name | Write-Output; "
-                "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output"
+                "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output; "
+                "(Get-Disk | Where-Object {$_.IsSystem -eq $true}).SerialNumber"
                 "\""
             )
         else:
@@ -81,16 +54,22 @@ cdef class HardwareService:
                 "/bin/bash -c \" lscpu | grep 'Model name:' | cut -d':' -f2 && "
                 "lspci | grep VGA | cut -d':' -f3 && "
                 "free -g | grep Mem: | awk '{print $2}' && \""
+                "udevadm info --query=property --name=\"/dev/$(lsblk -no pkname \"$(findmnt -n -o SOURCE --target /)\")\" | grep -E 'ID_SERIAL=|ID_SERIAL_SHORT=' | cut -d'=' -f2- | head -n1 && "
             )
         # in case of subprocess error do:
         # cdef bytes os_command_bytes = os_command.encode('utf-8')
         # and use os_command_bytes
+
         result = subprocess.check_output(os_command, shell=True).decode('utf-8')
         lines = [line.strip() for line in result.splitlines() if line.strip()]
 
         cdef str cpu = lines[0].replace("Name=", "").replace("  ", " ")
         cdef str gpu = lines[1].replace("Name=", "").replace("  ", " ")
-        cdef str memory = lines[2].replace("TotalVisibleMemorySize=", "").replace("  ", " ")
-        cdef str mac_address = self.get_mac_address()
+        # could be multiple gpus
 
-        return HardwareInfo(cpu, gpu, memory, mac_address)
+        len_lines = len(lines)
+        cdef str memory = lines[len_lines-2].replace("TotalVisibleMemorySize=", "").replace("  ", " ")
+        cdef str drive_serial = lines[len_lines-1]
+
+        cdef str res =  f'CPU: {cpu}. GPU: {gpu}. Memory: {memory}. DriveSerial: {drive_serial}'
+        return res
diff --git a/Azaion.Inference/main.pyx b/Azaion.Inference/main.pyx
index fcc484f..a29e512 100644
--- a/Azaion.Inference/main.pyx
+++ b/Azaion.Inference/main.pyx
@@ -23,8 +23,13 @@ cdef class CommandProcessor:
     cdef Inference inference
 
     def __init__(self):
-        self.api_client = ApiClient()
-        self.remote_handler = RemoteCommandHandler(self.on_command)
+        with open(<str>constants.CONFIG_FILE, "r") as f:
+            config = yaml.safe_load(f)
+        zmq_port = config["zmq_port"]
+        api_url = config["api_url"]
+
+        self.api_client = ApiClient(api_url)
+        self.remote_handler = RemoteCommandHandler(zmq_port, self.on_command)
         self.inference_queue = Queue(maxsize=constants.QUEUE_MAXSIZE)
         self.remote_handler.start()
         self.running = True
diff --git a/Azaion.Inference/remote_command_handler.pyx b/Azaion.Inference/remote_command_handler.pyx
index d380cc5..da34d5d 100644
--- a/Azaion.Inference/remote_command_handler.pyx
+++ b/Azaion.Inference/remote_command_handler.pyx
@@ -6,16 +6,13 @@ cimport constants
 import yaml
 
 cdef class RemoteCommandHandler:
-    def __init__(self, object on_command):
+    def __init__(self, int zmq_port, object on_command):
         self._on_command = on_command
         self._context = zmq.Context.instance()
 
         self._router = self._context.socket(zmq.ROUTER)
         self._router.setsockopt(zmq.LINGER, 0)
-        with open(<str>constants.CONFIG_FILE, "r") as f:
-            config = yaml.safe_load(f)
-        port = config["zmq_port"]
-        self._router.bind(f'tcp://*:{port}')
+        self._router.bind(f'tcp://*:{zmq_port}')
 
         self._dealer = self._context.socket(zmq.DEALER)
         self._dealer.setsockopt(zmq.LINGER, 0)
@@ -31,7 +28,7 @@ cdef class RemoteCommandHandler:
         for _ in range(4):  # 4 worker threads
             worker = Thread(target=self._worker_loop, daemon=True)
             self._workers.append(worker)
-        print(f'Listening to commands on port {port}...')
+        print(f'Listening to commands on port {zmq_port}...')
 
     cdef start(self):
         self._proxy_thread.start()
diff --git a/Azaion.Inference/security.pxd b/Azaion.Inference/security.pxd
index ba6f4d8..ad1396f 100644
--- a/Azaion.Inference/security.pxd
+++ b/Azaion.Inference/security.pxd
@@ -1,5 +1,4 @@
 from credentials cimport Credentials
-from hardware_service cimport HardwareInfo
 
 cdef class Security:
     @staticmethod
@@ -9,7 +8,7 @@ cdef class Security:
     cdef decrypt_to(input_bytes, key)
 
     @staticmethod
-    cdef get_hw_hash(HardwareInfo hardware)
+    cdef get_hw_hash(str hardware)
 
     @staticmethod
     cdef get_api_encryption_key(Credentials credentials, str hardware_hash)
diff --git a/Azaion.Inference/security.pyx b/Azaion.Inference/security.pyx
index aabc5e2..7bada8a 100644
--- a/Azaion.Inference/security.pyx
+++ b/Azaion.Inference/security.pyx
@@ -3,8 +3,6 @@ import hashlib
 import os
 from hashlib import sha384
 from credentials cimport Credentials
-from hardware_service cimport HardwareInfo
-
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
 from cryptography.hazmat.primitives import padding
@@ -48,8 +46,8 @@ cdef class Security:
         return bytes(plaintext_bytes)
 
     @staticmethod
-    cdef get_hw_hash(HardwareInfo hardware):
-        cdef str key = f'Azaion_{hardware.mac_address}_{hardware.cpu}_{hardware.gpu}'
+    cdef get_hw_hash(str hardware):
+        cdef str key = f'Azaion_{hardware}_%$$$)0_'
         return Security.calc_hash(key)
 
     @staticmethod
diff --git a/Azaion.Inference/test/test_download_large_file.py b/Azaion.Inference/test/test_download_large_file.py
index 0b17ecf..185f357 100644
--- a/Azaion.Inference/test/test_download_large_file.py
+++ b/Azaion.Inference/test/test_download_large_file.py
@@ -202,7 +202,7 @@ class Api:
         payload = json.dumps(
             {
                 "password": self.credentials.password,
-                "hardware": hardware.to_json_object(),
+                "hardware": hardware,
                 "fileName": filename
             }, indent=4)
         response = requests.post(url, data=payload, headers=headers, stream=True, timeout=20)
diff --git a/Azaion.Suite/App.xaml.cs b/Azaion.Suite/App.xaml.cs
index a397029..e2471e0 100644
--- a/Azaion.Suite/App.xaml.cs
+++ b/Azaion.Suite/App.xaml.cs
@@ -46,7 +46,6 @@ public partial class App
     private static readonly Guid KeyPressTaskId = Guid.NewGuid();
 
     private readonly ICache _cache = new MemoryCache();
-    private readonly IHardwareService _hardwareService = new HardwareService();
     private IAzaionApi _azaionApi = null!;
 
     private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
@@ -97,7 +96,7 @@ public partial class App
         login.CredentialsEntered += (_, credentials) =>
         {
             _inferenceClient.Send(RemoteCommand.Create(CommandType.Login, credentials));
-            _azaionApi = new AzaionApi(new HttpClient { BaseAddress = new Uri(SecurityConstants.API_URL) }, _cache, credentials, _hardwareService);
+            _azaionApi = new AzaionApi(new HttpClient { BaseAddress = new Uri(SecurityConstants.API_URL) }, _cache, credentials);
 
             try
             {
@@ -176,7 +175,6 @@ public partial class App
             .ConfigureServices((context, services) =>
             {
                 services.AddSingleton<MainSuite>();
-                services.AddSingleton<IHardwareService, HardwareService>();
 
                 services.Configure<AppConfig>(context.Configuration);
                 services.ConfigureSection<QueueConfig>(context.Configuration);
diff --git a/Azaion.Test/HardwareServiceTest.cs b/Azaion.Test/HardwareServiceTest.cs
deleted file mode 100644
index a7e5688..0000000
--- a/Azaion.Test/HardwareServiceTest.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using Azaion.Common.Services;
-using Azaion.CommonSecurity.Services;
-using Xunit;
-
-namespace Azaion.Annotator.Test;
-
-public class HardwareServiceTest
-{
-    [Fact]
-    public void GetHardware_Test()
-    {
-        var hardwareService = new HardwareService();
-        var hw = hardwareService.GetHardware();
-        Console.WriteLine(hw);
-    }
-}
\ No newline at end of file