diff --git a/src/common/leveltable.rs b/src/common/leveltable.rs
index 9d9f4c0..d60d1fe 100644
--- a/src/common/leveltable.rs
+++ b/src/common/leveltable.rs
@@ -30,9 +30,8 @@ pub struct CharacterLevelTable {
     table: HashMap<CharacterClass, [CharacterLevelEntry; 200]>,
 }
 
-
-impl CharacterLevelTable {
-    pub fn new() -> CharacterLevelTable {
+impl Default for CharacterLevelTable {
+    fn default() -> CharacterLevelTable {
         let file = File::open("data/char_stats.json").unwrap();
         let json: Value = serde_json::from_reader(file).unwrap();
         let mut table = HashMap::new();
@@ -55,7 +54,7 @@ impl CharacterLevelTable {
             };
 
             let mut statlist = [CharacterLevelEntry::default(); 200];
-            for (i, stat) in it.1.as_array().unwrap().into_iter().enumerate() {
+            for (i, stat) in it.1.as_array().unwrap().iter().enumerate() {
                 statlist[i] = CharacterLevelEntry {
                     hp: stat["hp"].as_i64().unwrap() as u32,
                     atp: stat["atp"].as_i64().unwrap() as u32,
@@ -75,7 +74,9 @@ impl CharacterLevelTable {
             table: table,
         }
     }
+}
 
+impl CharacterLevelTable {
     pub fn get_level_from_exp(&self, ch_class: CharacterClass, exp: u32) -> u32 {
         if let Some(statlist) = self.table.get(&ch_class) {
             statlist
@@ -120,14 +121,14 @@ mod test {
     use super::*;
     #[test]
     fn test_stat_levels() {
-        let table = CharacterLevelTable::new();
+        let table = CharacterLevelTable::default();
         assert!(table.get_stats_from_exp(CharacterClass::FOmarl, 0) == (1, CharacterStats { hp: 20, atp: 13, mst: 53, evp: 35, dfp: 10, ata: 15, lck: 10 }));
         assert!(table.get_stats_from_exp(CharacterClass::FOmarl, 1 << 17) == (36, CharacterStats { hp: 125, atp: 114, mst: 219, evp: 182, dfp: 42, ata: 213, lck: 10 }));
     }
 
     #[test]
     fn test_levels() {
-        let table = CharacterLevelTable::new();
+        let table = CharacterLevelTable::default();
         assert!(table.get_level_from_exp(CharacterClass::FOmarl, 0) == 1);
         assert!(table.get_level_from_exp(CharacterClass::FOmarl, 3000) == 8);
         assert!(table.get_level_from_exp(CharacterClass::FOmarl, 3200) == 9);
diff --git a/src/common/mainloop/client.rs b/src/common/mainloop/client.rs
index c13acbf..1bfc1ce 100644
--- a/src/common/mainloop/client.rs
+++ b/src/common/mainloop/client.rs
@@ -65,7 +65,7 @@ impl PacketReceiver {
             return Err(NetworkError::ClientDisconnected);
         }
 
-        self.recv_buffer.extend_from_slice(&mut data[..len]);
+        self.recv_buffer.extend_from_slice(&data[..len]);
 
         let mut dec_buf = {
             let mut cipher = self.cipher.lock().await;
diff --git a/src/common/mainloop/interserver.rs b/src/common/mainloop/interserver.rs
index 473abb4..cc6cce2 100644
--- a/src/common/mainloop/interserver.rs
+++ b/src/common/mainloop/interserver.rs
@@ -163,7 +163,7 @@ where
                             warn!("interserver send failed: {:?}", err);
                             break;
                         }
-                        if let Err(err) = socket.write_all(&payload.as_bytes()).await {
+                        if let Err(err) = socket.write_all(payload.as_bytes()).await {
                             warn!("intserserver send failed: {:?}", err);
                             break;
                         }
diff --git a/src/common/mainloop/mod.rs b/src/common/mainloop/mod.rs
index b0e207b..2a5b3ff 100644
--- a/src/common/mainloop/mod.rs
+++ b/src/common/mainloop/mod.rs
@@ -25,7 +25,7 @@ pub fn patch_mainloop(patch_state: PatchServerState, patch_port: u16) -> Pin<Box
 
 pub fn login_mainloop<EG: EntityGateway + 'static>(login_state: LoginServerState<EG>, login_port: u16) -> Pin<Box<dyn Future<Output = ()>>> {
     let login_state = Arc::new(Mutex::new(login_state));
-    let client_mainloop = client_accept_mainloop(login_state.clone(), login_port);
+    let client_mainloop = client_accept_mainloop(login_state, login_port);
     Box::pin(client_mainloop)
 }
 
diff --git a/src/login/character.rs b/src/login/character.rs
index 9e05d26..6867189 100644
--- a/src/login/character.rs
+++ b/src/login/character.rs
@@ -306,7 +306,7 @@ impl<EG: EntityGateway> CharacterServerState<EG> {
             param_data: param_data,
             clients: HashMap::new(),
             ships: BTreeMap::new(),
-            level_table: CharacterLevelTable::new(),
+            level_table: CharacterLevelTable::default(),
             auth_token: auth_token,
             authenticated_ships: BTreeSet::new(),
             ship_sender: BTreeMap::new(),
diff --git a/src/ship/ship.rs b/src/ship/ship.rs
index 6206440..8091647 100644
--- a/src/ship/ship.rs
+++ b/src/ship/ship.rs
@@ -367,7 +367,7 @@ impl<EG: EntityGateway> ShipServerStateBuilder<EG> {
         ShipServerState {
             entity_gateway: self.entity_gateway.unwrap(),
             clients: HashMap::new(),
-            level_table: CharacterLevelTable::new(),
+            level_table: CharacterLevelTable::default(),
             name: self.name.unwrap_or_else(|| "NAMENOTSET".into()),
             item_manager: items::ItemManager::default(),
             quests: quests::load_quests("data/quests.toml".into()).unwrap(),
diff --git a/tests/test_exp_gain.rs b/tests/test_exp_gain.rs
index 6d3e8b3..2223c8e 100644
--- a/tests/test_exp_gain.rs
+++ b/tests/test_exp_gain.rs
@@ -83,7 +83,7 @@ async fn test_character_levels_up() {
 
     assert!(matches!(levelup_pkt[1].1, SendShipPacket::Message(Message {msg: GameMessage::PlayerLevelUp(PlayerLevelUp {lvl: 2, ..})})));
 
-    let leveltable = CharacterLevelTable::new();
+    let leveltable = CharacterLevelTable::default();
     let c1 = ship.clients.get(&ClientId(1)).unwrap();
     assert!(leveltable.get_level_from_exp(c1.character.char_class, c1.character.exp) == 2);
 }