diff --git a/src/main/java/fr/ntr/Main.java b/src/main/java/fr/ntr/Main.java
index e8603aa..3796cd7 100644
--- a/src/main/java/fr/ntr/Main.java
+++ b/src/main/java/fr/ntr/Main.java
@@ -19,6 +19,7 @@ public class Main {
                 System.exit(1);
                 return;
             }
+
             AccessPoint accessPoint = new AccessPoint(new RoundRobin("round robin", 0), 0, 50);
             accessPoint.startSimulation(numberOfTicks, maximumLoad);
         } else {
diff --git a/src/main/java/fr/ntr/scheduler/MaxSNR.java b/src/main/java/fr/ntr/scheduler/MaxSNR.java
index a762cda..c346bfd 100644
--- a/src/main/java/fr/ntr/scheduler/MaxSNR.java
+++ b/src/main/java/fr/ntr/scheduler/MaxSNR.java
@@ -1,9 +1,7 @@
 package fr.ntr.scheduler;
 import java.util.List;
 
-import fr.ntr.AccessPoint;
 import fr.ntr.User;
-import fr.ntr.UserGroup;
 
 public class MaxSNR extends Scheduler {
 
diff --git a/src/main/java/fr/ntr/scheduler/RoundRobin.java b/src/main/java/fr/ntr/scheduler/RoundRobin.java
index 7431ef0..2e806fe 100644
--- a/src/main/java/fr/ntr/scheduler/RoundRobin.java
+++ b/src/main/java/fr/ntr/scheduler/RoundRobin.java
@@ -15,11 +15,9 @@ public class RoundRobin extends Scheduler {
 	private List<User> users;
 	private ResourceBlock[][] frame;
 
-	public RoundRobin(String name, int index, List<User> users, ResourceBlock[][] frame ) {
+	public RoundRobin(String name, int index) {
 		this.name = name;
 		this.index = index;
-		this.users = users;
-		this.frame = frame;
 	}
 
 	/**
@@ -53,14 +51,14 @@ public class RoundRobin extends Scheduler {
 	 * Entry Time slot (int), Sous porteuse(int), and users ( List<User>)
 	 * Return the user in function of TS and SP selected
 	 */
-	private User UserSelection(int Ts, int Sp, List<User> Users) {
+	private User UserSelection(int Ts, int Sp, List<User> users) {
 
 		for (int i = 0; i < Ts; i++){
 			for (int j = 0; j < Sp; j++) {
 				index++;
 			}
 		}
-		return Users.get(index%(Users.size() - 1));
+		return users.get(index%(users.size() - 1));
 
 	}
 }