diff --git a/server/src/bin/client.rs b/server/src/bin/client.rs
index d74f60b..815f92c 100644
--- a/server/src/bin/client.rs
+++ b/server/src/bin/client.rs
@@ -7,12 +7,6 @@ use tokio_tungstenite::{connect_async, tungstenite::Message};
 use url::Url;
 use uuid::Uuid;
 
-#[derive(Serialize, Deserialize, Debug)]
-struct Step {
-    from: String,
-    to: String,
-}
-
 #[derive(Serialize, Deserialize)]
 #[serde(tag = "type")]
 enum ClientMessage {
@@ -24,17 +18,6 @@ enum ClientMessage {
     RequestLegalMoves { fen: String },
 }
 
-#[derive(Serialize, Deserialize, Debug)]
-struct ServerMessage {
-    #[serde(rename = "type")]
-    message_type: String,
-    player_id: Option<String>,
-    match_id: Option<String>,
-    opponent: Option<String>,
-    color: Option<String>,
-    reason: Option<String>,
-}
-
 #[derive(Serialize, Deserialize)]
 pub enum ServerMessage2 {
     GameEnd {
@@ -48,6 +31,9 @@ pub enum ServerMessage2 {
         color: String,
         opponent_name: String,
     },
+    Ok {
+        response: Result<(), String>,
+    },
 }
 
 #[tokio::main]
diff --git a/server/src/connection.rs b/server/src/connection.rs
index 828f0cf..6b2a5c1 100644
--- a/server/src/connection.rs
+++ b/server/src/connection.rs
@@ -6,7 +6,6 @@ use engine::{get_available_moves, is_game_over};
 use futures_util::{SinkExt, StreamExt};
 use log::{error, info, warn};
 use serde::{Deserialize, Serialize};
-use std::char::from_u32_unchecked;
 use std::collections::{HashMap, VecDeque};
 use std::sync::Arc;
 use tokio::net::TcpStream;