diff --git a/POO_Server/src/communication/CommunicationUDP.java b/POO_Server/src/communication/CommunicationUDP.java
index aae6850..e418865 100644
--- a/POO_Server/src/communication/CommunicationUDP.java
+++ b/POO_Server/src/communication/CommunicationUDP.java
@@ -95,15 +95,6 @@ public class CommunicationUDP extends Thread {
 		return null;
 	}
 	
-	private int getIndexFromIP(InetAddress ip) {
-		for(int i=0; i < users.size() ; i++) {
-			if(users.get(i).getIp().equals(ip)) {
-				return i;
-			}
-		}
-		return -1;
-	}
-	
 	 public void printActiveUsersUDP(PrintWriter out) {
 		    for (Utilisateur uIn : users) {
 		    	out.println("<TH> " + uIn.getPseudo() + ",</TH>");
diff --git a/POO_Server/src/communication/UDPClient.java b/POO_Server/src/communication/UDPClient.java
index e1aed10..3fd41a3 100644
--- a/POO_Server/src/communication/UDPClient.java
+++ b/POO_Server/src/communication/UDPClient.java
@@ -4,7 +4,7 @@ import java.io.IOException;
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
-import java.net.NetworkInterface;
+//import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.net.UnknownHostException;
 
@@ -13,14 +13,14 @@ import messages.*;
 public class UDPClient {
 
 	private DatagramSocket sockUDP;
-	private InetAddress broadcast;
+	//private InetAddress broadcast;
 	
 	public UDPClient(int port) throws SocketException, UnknownHostException {
 		this.sockUDP = new DatagramSocket(port);
 		
-		InetAddress localHost = InetAddress.getLocalHost();
-		NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localHost);
-		this.broadcast = networkInterface.getInterfaceAddresses().get(0).getBroadcast();
+		//InetAddress localHost = InetAddress.getLocalHost();
+		//NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localHost);
+		//this.broadcast = networkInterface.getInterfaceAddresses().get(0).getBroadcast();
 	}
 	
 	
diff --git a/POO_Server/src/communication/UDPServer.java b/POO_Server/src/communication/UDPServer.java
index e97ff5c..4a9a60b 100644
--- a/POO_Server/src/communication/UDPServer.java
+++ b/POO_Server/src/communication/UDPServer.java
@@ -4,8 +4,6 @@ import java.io.IOException;
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.SocketException;
-import java.util.ArrayList;
-import java.util.Arrays;
 
 import main.Utilisateur;
 import messages.*;
diff --git a/POO_Server/src/main/ServletPresence.java b/POO_Server/src/main/ServletPresence.java
index 0c8766e..484bbd4 100644
--- a/POO_Server/src/main/ServletPresence.java
+++ b/POO_Server/src/main/ServletPresence.java
@@ -6,6 +6,7 @@ import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.Arrays;
 
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
@@ -14,9 +15,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import communication.CommunicationUDP;
-import database.SQLiteManager;
 import messages.*;
-import messages.Message.TypeMessage;
 
 /**
  * Servlet implementation class ServletPresence
@@ -30,10 +29,9 @@ public class ServletPresence extends HttpServlet implements Observer {
 	
 	private CommunicationUDP comUDP;
 	private ArrayList<Utilisateur> remoteUsers;
-	private SQLiteManager sqlManager;
- 
+	private String[] registeredRemoteUsers = {"user1","user2","user3"};
+	
     public ServletPresence() {
-    	//A changer en passant aux IP
         try {
 			comUDP = new CommunicationUDP(3333, 3334, new int[] {2209, 2309, 2409, 3334});
 		} catch (IOException e) {
@@ -47,8 +45,6 @@ public class ServletPresence extends HttpServlet implements Observer {
 		} catch (UnknownHostException e) {
 			e.printStackTrace();
 		}
-        
-        sqlManager = new SQLiteManager(0);
     }
     
     private int getIndexByID(String id) {
@@ -184,7 +180,7 @@ public class ServletPresence extends HttpServlet implements Observer {
 		
 		//Si l'id n'existe pas dans la BDD : génère du html pour en informer l'utilisateur
 		try {
-			if (sqlManager.getIDUser(id)==-1) {
+			if (!Arrays.asList(registeredRemoteUsers).contains(id)) {
 				printErrorUnkwownUser(out);
 			}
 			
@@ -205,7 +201,7 @@ public class ServletPresence extends HttpServlet implements Observer {
 				}
 				printActiveUsersOnly(out);
 			}
-		} catch (UnknownHostException | SQLException e) {
+		} catch (UnknownHostException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
 		}