diff --git a/ChatApp/app/src/main/java/client/ClientGuiController.java b/ChatApp/app/src/main/java/client/ClientGuiController.java
index cefaabf..0a0f472 100644
--- a/ChatApp/app/src/main/java/client/ClientGuiController.java
+++ b/ChatApp/app/src/main/java/client/ClientGuiController.java
@@ -71,9 +71,7 @@ public class ClientGuiController implements ClientListener {
      * Request the list of rooms from the server every second.
      */
     private void requestRoomsRegularly() {
-        Timeline timeline = new Timeline(new KeyFrame(Duration.seconds(1), event -> {
-            client.RequestRoomList();
-        }));
+        Timeline timeline = new Timeline(new KeyFrame(Duration.seconds(1), event -> client.RequestRoomList()));
         timeline.setCycleCount(Timeline.INDEFINITE);
         timeline.play();
     }
@@ -130,7 +128,7 @@ public class ClientGuiController implements ClientListener {
             String timeString = formatter.format(time);
             Text chatterText = new Text(chatter + ": ");
             chatterText.setStyle("-fx-fill: black; -fx-font-weight: bold;");
-            TextFlow messageText = formatMessage(chatter, untagged);
+            TextFlow messageText = formatMessage(untagged);
             TextFlow wholeMessage = new TextFlow(chatterText, messageText);
             Text timeText = new Text("  " + timeString);
             timeText.setStyle("-fx-fill: gray; -fx-font-size: 10px;");
@@ -151,7 +149,7 @@ public class ClientGuiController implements ClientListener {
         Pattern pattern = Pattern.compile("\u001B\\[44;30m(.*?)\u001B\\[49;39m");
         Matcher matcher = pattern.matcher(message);
 
-        StringBuffer result = new StringBuffer();
+        StringBuilder result = new StringBuilder();
         while (matcher.find()) {
             String taggedName = matcher.group(1);
             matcher.appendReplacement(result, taggedName);
@@ -220,11 +218,10 @@ public class ClientGuiController implements ClientListener {
 
     /**
      * Colorize the message according to the color codes.
-     * @param chatter the name of the person who sent the message
      * @param content the content of the message
      * @return the formatted message
      */
-    private TextFlow formatMessage(String chatter, String content) {
+    private TextFlow formatMessage(String content) {
         TextFlow textFlow = new TextFlow();
         // Evil regex : match every sequence starting with a color code ending with the next color code
         Pattern pattern = Pattern.compile("&([rbgyn])([^&]*)");