diff --git a/servers/tk102/readme.md b/servers/tk102/readme.md
deleted file mode 100644
index 42fb680..0000000
--- a/servers/tk102/readme.md
+++ /dev/null
@@ -1,36 +0,0 @@
-/tk102 data from Brent's device. note that data received is not always complete.
-
-new connection: 24.114.27.177:23299
-total clients: 1
-data: ##,imei:359710049095095,A;
-data: imei:359710049095095,tracker,151006010036,,F,170036.000,A,5105.9768,N,11404.9571,W,0.00,322.56,,0,0,,,;
-data: imei:359710049095095,tracker,151006010106,,F,170107.000,A,5105.9767,N,11404.9572,W,0.02,322.56,,0,0,,,;
-data: 359710049095095;
-data: imei:359710049095095,tracker,151006010136,,F,170136.000,A,5105.9760,N,11404.9565,W,0.01,322.56,,0,0,,,;
-data: imei:359710049095095,tracker,151006010206,,F,170206.000,A,5105.9747,N,11404.9572,W,0.01,322.56,,0,0,,,;
-data: 359710049095095;
-data: imei:359710049095095,tracker,151006010236,,F,170236.000,A,5105.9736,N,11404.9581,W,0.01,322.56,,0,0,,,;
-data: imei:359710049095095,tracker,151006010306,,F,170306.000,A,5105.9736,N,11404.9581,W,0.00,322.56,,0,0,,,;
-data: 359710049095095;
-
-// tk102 data from other device
-1203292316,0031698765432,GPRMC,211657.000,A,5213.0247,N,00516.7757,E,0.00,273.30,290312,,,A*62,F,imei:123456789012345,123
-
-The message sent by tracker to IP address is as following:
-Serial number + authorized number + GPRMC + GPS signal indicator + command + IMEI number + CRC16 checksum.
-* 090723164830 = Serial #(year,month,date,hour,minute,second)
-* +13616959853 = Authorized #
-* GPRMC,214830.000,A,3017.2558,N,09749.4888,W,26.9,108.8,230709,,,A*61 = standard GPRMC sentences.
-* F = GPS signal is full, if it indicate "L", means GPS signal is low
-* Help me = It is the SOS message, and this section is blank for tracking message
-* IMEI = Identifying # of the tracker
-* 05 = Means you get 5 GPS fix (from 3 to 10)
-* 264.5 = Altitude
-* F:3.79V = Battery voltage
-* 0= Means the tracker is NOT charged. 1 means the tracker is charged
-* 122= The length of the GPRS string
-* 13990 = Checksum
-* 310 = MCC Mobile Country Code
-* 01 = MNC Mobile Network Code
-* 0AB0 =LAC Location areacode
-* 345A = CellID
\ No newline at end of file
diff --git a/servers/tk102/socket-client.php b/servers/tk102/socket-client.php
deleted file mode 100644
index 574f08c..0000000
--- a/servers/tk102/socket-client.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-// $addr = gethostbyname("www.websmithing.com");
-// $addr = "127.0.0.1";
-
-$addr = "45.55.74.181";
-$port = "7331";
-
-$client = stream_socket_client("tcp://$addr:$port", $errno, $errorMessage);
-
-if ($client === false) {
-    throw new UnexpectedValueException("Failed to connect: $errorMessage");
-}
-
-// tk102 data
-$data = "imei:359710049095095,tracker,151006012336,,F,172337.000,A,5105.9792,N,11404.9599,W,0.01,322.56,,0,0,,,\n";
-
-fwrite($client, $data);
-
-while (!feof($client)) {
-    echo fgets($client, 128);
-}
-    
-fclose($client);
diff --git a/servers/tk102/tk102-server.php b/servers/tk102/tk102-server.php
deleted file mode 100644
index 3e4476d..0000000
--- a/servers/tk102/tk102-server.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-
-// open a server on port 7331
-$server = stream_socket_server("tcp://0.0.0.0:7331", $errno, $errorMessage);
-
-if ($server === false) {
-    die("stream_socket_server error: $errorMessage");
-}
-
-$client_socks = array();
-
-while (true) {
-    // prepare readable sockets
-    $read_socks = $client_socks;
-    $read_socks[] = $server;
-
-    // start reading and use a large timeout
-    if(!stream_select($read_socks, $write, $except, 300000)) {
-        die('stream_select error.');
-    }
-
-    // new client
-    if(in_array($server, $read_socks)) {
-        $new_client = stream_socket_accept($server);
-
-        if ($new_client) {
-            //print remote client information, ip and port number
-            echo 'new connection: ' . stream_socket_get_name($new_client, true) . "\n";
-
-          $client_socks[] = $new_client;
-            echo "total clients: ". count($client_socks) . "\n";
-
-            // $output = "hello new client.\n";
-            // fwrite($new_client, $output);
-        }
-
-        //delete the server socket from the read sockets
-        unset($read_socks[ array_search($server, $read_socks) ]);
-    }
-
-    // message from existing client
-    foreach ($read_socks as $sock) {
-        $data = fread($sock, 128);
-
-        echo "data: " . $data . "\n";
-
-        if (!$data) {
-            unset($client_socks[ array_search($sock, $client_socks) ]);
-            @fclose($sock);
-            echo "client disconnected. total clients: ". count($client_socks) . "\n";
-            continue;
-        }
-
-        //send the message back to client
-        $response = "ok\n";
-        fwrite($sock, $response);
-    }
-}
\ No newline at end of file