diff --git a/azalea-protocol/src/connect.rs b/azalea-protocol/src/connect.rs
index f64d9eb82..f33ce2a53 100755
--- a/azalea-protocol/src/connect.rs
+++ b/azalea-protocol/src/connect.rs
@@ -61,6 +61,7 @@ pub struct WriteConnection<W: ProtocolPacket> {
 ///     resolver,
 ///     connect::Connection,
 ///     packets::{
+///         self,
 ///         ClientIntention, PROTOCOL_VERSION,
 ///         login::{
 ///             ClientboundLoginPacket,
@@ -115,7 +116,13 @@ pub struct WriteConnection<W: ProtocolPacket> {
 ///                 return Err("login disconnect".into());
 ///             }
 ///             ClientboundLoginPacket::CustomQuery(p) => {}
-///             ClientboundLoginPacket::CookieRequest(_) => {}
+///             ClientboundLoginPacket::CookieRequest(p) => {
+///                 conn.write(packets::login::ServerboundCookieResponse {
+///                     key: p.key,
+///                     payload: None,
+///                 })
+///                 .await?;
+///             }
 ///         }
 ///     };
 ///
diff --git a/azalea-protocol/src/packets/config/c_finish_configuration.rs b/azalea-protocol/src/packets/config/c_finish_configuration.rs
index e3f3e5a59..ea6e6d273 100644
--- a/azalea-protocol/src/packets/config/c_finish_configuration.rs
+++ b/azalea-protocol/src/packets/config/c_finish_configuration.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ClientboundConfigPacket;
 
 #[derive(Clone, Debug, AzBuf, ClientboundConfigPacket)]
-pub struct ClientboundFinishConfiguration {}
+pub struct ClientboundFinishConfiguration;
diff --git a/azalea-protocol/src/packets/config/s_finish_configuration.rs b/azalea-protocol/src/packets/config/s_finish_configuration.rs
index a4d94fb19..dc7d43165 100644
--- a/azalea-protocol/src/packets/config/s_finish_configuration.rs
+++ b/azalea-protocol/src/packets/config/s_finish_configuration.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ServerboundConfigPacket;
 
 #[derive(Clone, Debug, AzBuf, ServerboundConfigPacket)]
-pub struct ServerboundFinishConfiguration {}
+pub struct ServerboundFinishConfiguration;
diff --git a/azalea-protocol/src/packets/game/c_chunk_batch_start.rs b/azalea-protocol/src/packets/game/c_chunk_batch_start.rs
index 8b0555dc9..b5cd1ba25 100644
--- a/azalea-protocol/src/packets/game/c_chunk_batch_start.rs
+++ b/azalea-protocol/src/packets/game/c_chunk_batch_start.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ClientboundGamePacket;
 
 #[derive(Clone, Debug, AzBuf, ClientboundGamePacket)]
-pub struct ClientboundChunkBatchStart {}
+pub struct ClientboundChunkBatchStart;
diff --git a/azalea-protocol/src/packets/game/c_player_chat.rs b/azalea-protocol/src/packets/game/c_player_chat.rs
index 0e9960f2c..3628fa956 100644
--- a/azalea-protocol/src/packets/game/c_player_chat.rs
+++ b/azalea-protocol/src/packets/game/c_player_chat.rs
@@ -88,16 +88,6 @@ pub struct MessageSignatureCache {
     pub entries: Vec<Option<MessageSignature>>,
 }
 
-// impl MessageSignatureCache {
-//     pub fn unpacker(&self) -> impl Fn(u32) -> Option<SignedMessageBody> {
-
-//     }
-// }
-
-// impl PackedSignedMessageBody {
-//     pub fn unpack(&self, unpacker: impl Fn(u32) -> Option<SignedMessageBody>)
-// {} }
-
 impl ClientboundPlayerChat {
     /// Returns the content of the message. If you want to get the FormattedText
     /// for the whole message including the sender part, use
diff --git a/azalea-protocol/src/packets/game/c_player_combat_enter.rs b/azalea-protocol/src/packets/game/c_player_combat_enter.rs
index 8c344b499..ee58e2779 100755
--- a/azalea-protocol/src/packets/game/c_player_combat_enter.rs
+++ b/azalea-protocol/src/packets/game/c_player_combat_enter.rs
@@ -3,4 +3,4 @@ use azalea_protocol_macros::ClientboundGamePacket;
 
 /// Unused in vanilla.
 #[derive(Clone, Debug, AzBuf, ClientboundGamePacket)]
-pub struct ClientboundPlayerCombatEnter {}
+pub struct ClientboundPlayerCombatEnter;
diff --git a/azalea-protocol/src/packets/game/c_start_configuration.rs b/azalea-protocol/src/packets/game/c_start_configuration.rs
index 6955b70d8..d1c60d5e2 100644
--- a/azalea-protocol/src/packets/game/c_start_configuration.rs
+++ b/azalea-protocol/src/packets/game/c_start_configuration.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ClientboundGamePacket;
 
 #[derive(Clone, Debug, AzBuf, ClientboundGamePacket)]
-pub struct ClientboundStartConfiguration {}
+pub struct ClientboundStartConfiguration;
diff --git a/azalea-protocol/src/packets/game/s_client_tick_end.rs b/azalea-protocol/src/packets/game/s_client_tick_end.rs
index d8d930498..221525ec9 100644
--- a/azalea-protocol/src/packets/game/s_client_tick_end.rs
+++ b/azalea-protocol/src/packets/game/s_client_tick_end.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ServerboundGamePacket;
 
 #[derive(Clone, Debug, AzBuf, ServerboundGamePacket)]
-pub struct ServerboundClientTickEnd {}
+pub struct ServerboundClientTickEnd;
diff --git a/azalea-protocol/src/packets/game/s_configuration_acknowledged.rs b/azalea-protocol/src/packets/game/s_configuration_acknowledged.rs
index 58e27abbe..3e1374949 100644
--- a/azalea-protocol/src/packets/game/s_configuration_acknowledged.rs
+++ b/azalea-protocol/src/packets/game/s_configuration_acknowledged.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ServerboundGamePacket;
 
 #[derive(Clone, Debug, AzBuf, ServerboundGamePacket)]
-pub struct ServerboundConfigurationAcknowledged {}
+pub struct ServerboundConfigurationAcknowledged;
diff --git a/azalea-protocol/src/packets/login/s_login_acknowledged.rs b/azalea-protocol/src/packets/login/s_login_acknowledged.rs
index e36648b63..263d58c63 100644
--- a/azalea-protocol/src/packets/login/s_login_acknowledged.rs
+++ b/azalea-protocol/src/packets/login/s_login_acknowledged.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ServerboundLoginPacket;
 
 #[derive(Clone, Debug, AzBuf, ServerboundLoginPacket)]
-pub struct ServerboundLoginAcknowledged {}
+pub struct ServerboundLoginAcknowledged;
diff --git a/azalea-protocol/src/packets/status/s_status_request.rs b/azalea-protocol/src/packets/status/s_status_request.rs
index 662d74bfd..53fdbcaa4 100755
--- a/azalea-protocol/src/packets/status/s_status_request.rs
+++ b/azalea-protocol/src/packets/status/s_status_request.rs
@@ -2,4 +2,4 @@ use azalea_buf::AzBuf;
 use azalea_protocol_macros::ServerboundStatusPacket;
 
 #[derive(Clone, Debug, AzBuf, ServerboundStatusPacket)]
-pub struct ServerboundStatusRequest {}
+pub struct ServerboundStatusRequest;
diff --git a/azalea/src/auto_tool.rs b/azalea/src/auto_tool.rs
index 1824e13c5..5fcb8037a 100644
--- a/azalea/src/auto_tool.rs
+++ b/azalea/src/auto_tool.rs
@@ -2,7 +2,7 @@ use azalea_block::{Block, BlockState};
 use azalea_client::{inventory::Inventory, Client};
 use azalea_entity::{FluidOnEyes, Physics};
 use azalea_inventory::{components, ItemStack, Menu};
-use azalea_registry::{DataComponentKind, Fluid};
+use azalea_registry::Fluid;
 
 #[derive(Debug)]
 pub struct BestToolResult {