diff --git a/api/composer.json b/api/composer.json
deleted file mode 100644
index 5aaf397..0000000
--- a/api/composer.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-    "autoload": {
-        "psr-0": {
-            "SquidApp": "src"
-        }
-    }
-}
diff --git a/api/src/SquidApp/Database.php b/api/src/SquidApp/Database.php
deleted file mode 100644
index 892bc8e..0000000
--- a/api/src/SquidApp/Database.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace SquidApp;
-
-class Database {
- 
-    private $host = "localhost";
-    private $db_name = "";
-    private $username = "";
-    private $password = "";
-    public $conn;
- 
-    // db connection
-    public function getConnection(){
- 
-        $this->conn = null;
- 
-        try{
-            $this->conn = new \PDO("mysql:host=" . $this->host . ";dbname=" . $this->db_name, $this->username, $this->password);
-        }catch(PDOException $exception){
-            echo "Connection error: " . $exception->getMessage();
-        }
- 
-        return $this->conn;
-    }
-}
diff --git a/api/src/SquidApp/Ipaddr.php b/api/src/SquidApp/Ipaddr.php
deleted file mode 100644
index 849cdac..0000000
--- a/api/src/SquidApp/Ipaddr.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-namespace SquidApp;
-use Exception;
-
-class Ipaddr {
-
-  private $address;
-
-  function __construct($address = '') {
-      $this->address = $address;
-  }
-
-  public function setAddress($ip) {
-  	
-  	if (!filter_var($ip, FILTER_VALIDATE_IP) === false) {
-             $this->address = $ip;
-  	} else {
-               throw new Exception($ip . ' ' . 'is not a valid IP address');
-  	}
-
-  }
-
-  public function getAddress() {
-	  
-      return $this->address;
-  } 
-
-}
diff --git a/api/src/SquidApp/Port.php b/api/src/SquidApp/Port.php
deleted file mode 100644
index 817493d..0000000
--- a/api/src/SquidApp/Port.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace SquidApp;
-use Exception;
-
-/**
-*  check with port
-*/
-class Port
-{
-	public $port;
-	
-	function __construct($port = '')
-	{
-		$this->port = $port;
-	}
-
-	public function checkPort($port) {
-
-       if(isset($port)) {
-           $this->port = $port;
-       } else {
-           throw new Exception($port . ' ' . 'not found');
-       }
-    }
-
-    public function getPort() {
-
-         return $this->port;
-    }
-}
\ No newline at end of file
diff --git a/api/src/SquidApp/Services.php b/api/src/SquidApp/Services.php
deleted file mode 100644
index 11088bf..0000000
--- a/api/src/SquidApp/Services.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace SquidApp;
-
-/**
-*  check with service name
-*/
-
-class Services
-{
-	public $service;
-	
-	function __construct($service = '')
-	{
-		$this->service = $service;
-	}
-
-	public function detectService($service) {
-
-	  $services = array(80 => 'http', 21 => 'ftp', 22 => 'ssh');
-          $port = array_search($service, $services);
-
-          if($port !== NULL) {
-             $this->service = $port;
-          }
-	}
-
-	public function getServiceName() {
-             return $this->service;
-	}
-}
diff --git a/api/src/bin/checkip.php b/api/src/bin/checkip.php
deleted file mode 100644
index 0c41fef..0000000
--- a/api/src/bin/checkip.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-namespace SquidApp;
-
-require dirname(__DIR__) . '/../vendor/autoload.php';
-
-$ipaddr = new Ipaddr();
-
-if ($argc !== 2) {
-    echo "Usage: php app.php [ipaddress].\n";
-    exit(1);
-}
-
-$ip = $argv[1];
-
-$ipaddr->setAddress($ip);
-print_r($ipaddr->getAddress() . PHP_EOL);
-
diff --git a/api/src/bin/checkport.php b/api/src/bin/checkport.php
deleted file mode 100644
index de1ad06..0000000
--- a/api/src/bin/checkport.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-namespace SquidApp;
-
-require dirname(__DIR__) . '/../vendor/autoload.php';
-
-$port = new Port();
-
-if ($argc !== 2) {
-    echo "Usage: php app.php [port].\n";
-    exit(1);
-}
-
-$portnum = $argv[1];
-
-$port->checkPort($portnum);
-print_r($port->getPort() . PHP_EOL);