diff --git a/src/api_server.rs b/src/api_server.rs
index f213b4dd..14c58fc4 100644
--- a/src/api_server.rs
+++ b/src/api_server.rs
@@ -9,11 +9,15 @@ use hyper::server::conn::AddrStream;
 use hyper::service::{make_service_fn, service_fn};
 use hyper::{Body, Method, Request, Response, Server, StatusCode};
 
+use crate::block::INLINE_THRESHOLD;
+use crate::block_ref_table::*;
 use crate::data::*;
 use crate::error::Error;
 use crate::http_util::*;
+use crate::object_table::*;
 use crate::server::Garage;
 use crate::table::EmptySortKey;
+use crate::version_table::*;
 
 type BodyType = Box<dyn HttpBody<Data = Bytes, Error = Error> + Send + Unpin>;
 
diff --git a/src/block.rs b/src/block.rs
index 879cff2c..60121ac5 100644
--- a/src/block.rs
+++ b/src/block.rs
@@ -14,11 +14,13 @@ use crate::data;
 use crate::data::*;
 use crate::error::Error;
 use crate::membership::System;
-use crate::proto::*;
 use crate::rpc_client::*;
 use crate::rpc_server::*;
 use crate::server::Garage;
 
+pub const INLINE_THRESHOLD: usize = 3072;
+
+const BLOCK_RW_TIMEOUT: Duration = Duration::from_secs(42);
 const NEED_BLOCK_QUERY_TIMEOUT: Duration = Duration::from_secs(5);
 const RESYNC_RETRY_TIMEOUT: Duration = Duration::from_secs(10);
 
@@ -31,6 +33,14 @@ pub enum Message {
 	NeedBlockReply(bool),
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PutBlockMessage {
+	pub hash: Hash,
+
+	#[serde(with = "serde_bytes")]
+	pub data: Vec<u8>,
+}
+
 impl RpcMessage for Message {}
 
 pub struct BlockManager {
diff --git a/src/data.rs b/src/data.rs
index a3b7b23b..7db715cb 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -2,7 +2,6 @@ use rand::Rng;
 use serde::de::{self, Visitor};
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 use sha2::{Digest, Sha256};
-use std::collections::HashMap;
 use std::fmt;
 use std::time::{SystemTime, UNIX_EPOCH};
 
@@ -123,25 +122,3 @@ pub fn debug_serialize<T: Serialize>(x: T) -> String {
 		Err(e) => format!("<JSON serialization error: {}>", e),
 	}
 }
-
-// Network management
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct NetworkConfig {
-	pub members: HashMap<UUID, NetworkConfigEntry>,
-	pub version: u64,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct NetworkConfigEntry {
-	pub datacenter: String,
-	pub n_tokens: u32,
-}
-
-// Data management
-
-pub const INLINE_THRESHOLD: usize = 3072;
-
-pub use crate::block_ref_table::*;
-pub use crate::object_table::*;
-pub use crate::version_table::*;
diff --git a/src/main.rs b/src/main.rs
index 84b8c2bc..3e91b21d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,5 @@
 mod data;
 mod error;
-mod proto;
 
 mod background;
 mod membership;
@@ -25,12 +24,10 @@ use std::path::PathBuf;
 use std::sync::Arc;
 use structopt::StructOpt;
 
-use data::*;
 use error::Error;
-use membership::Message;
-use proto::*;
+use membership::*;
 use rpc_client::*;
-use server::TlsConfig;
+use server::{TlsConfig, DEFAULT_TIMEOUT};
 
 #[derive(StructOpt, Debug)]
 #[structopt(name = "garage")]
diff --git a/src/membership.rs b/src/membership.rs
index 499637fb..e2f4bb90 100644
--- a/src/membership.rs
+++ b/src/membership.rs
@@ -19,7 +19,6 @@ use tokio::sync::Mutex;
 use crate::background::BackgroundRunner;
 use crate::data::*;
 use crate::error::Error;
-use crate::proto::*;
 use crate::rpc_client::*;
 use crate::rpc_server::*;
 use crate::server::Config;
@@ -40,6 +39,33 @@ pub enum Message {
 
 impl RpcMessage for Message {}
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PingMessage {
+	pub id: UUID,
+	pub rpc_port: u16,
+
+	pub status_hash: Hash,
+	pub config_version: u64,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct AdvertisedNode {
+	pub id: UUID,
+	pub addr: SocketAddr,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct NetworkConfig {
+	pub members: HashMap<UUID, NetworkConfigEntry>,
+	pub version: u64,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct NetworkConfigEntry {
+	pub datacenter: String,
+	pub n_tokens: u32,
+}
+
 pub struct System {
 	pub config: Config,
 	pub id: UUID,
diff --git a/src/object_table.rs b/src/object_table.rs
index 880543e1..a55af7db 100644
--- a/src/object_table.rs
+++ b/src/object_table.rs
@@ -5,6 +5,7 @@ use std::sync::Arc;
 use crate::background::BackgroundRunner;
 use crate::data::*;
 use crate::table::*;
+use crate::version_table::*;
 
 #[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
 pub struct Object {
diff --git a/src/proto.rs b/src/proto.rs
deleted file mode 100644
index d51aa36b..00000000
--- a/src/proto.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-use serde::{Deserialize, Serialize};
-use std::net::SocketAddr;
-use std::time::Duration;
-
-use crate::data::*;
-
-pub const DEFAULT_TIMEOUT: Duration = Duration::from_secs(10);
-pub const BLOCK_RW_TIMEOUT: Duration = Duration::from_secs(42);
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct PingMessage {
-	pub id: UUID,
-	pub rpc_port: u16,
-
-	pub status_hash: Hash,
-	pub config_version: u64,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct AdvertisedNode {
-	pub id: UUID,
-	pub addr: SocketAddr,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct PutBlockMessage {
-	pub hash: Hash,
-
-	#[serde(with = "serde_bytes")]
-	pub data: Vec<u8>,
-}
diff --git a/src/server.rs b/src/server.rs
index 57faea21..099e087e 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -2,6 +2,7 @@ use std::io::{Read, Write};
 use std::net::SocketAddr;
 use std::path::PathBuf;
 use std::sync::Arc;
+use std::time::Duration;
 
 pub use futures_util::future::FutureExt;
 use serde::Deserialize;
@@ -10,12 +11,16 @@ use tokio::sync::watch;
 use crate::api_server;
 use crate::background::*;
 use crate::block::*;
+use crate::block_ref_table::*;
 use crate::data::*;
 use crate::error::Error;
 use crate::membership::System;
-use crate::proto::*;
+use crate::object_table::*;
 use crate::rpc_server::RpcServer;
 use crate::table::*;
+use crate::version_table::*;
+
+pub const DEFAULT_TIMEOUT: Duration = Duration::from_secs(10);
 
 #[derive(Deserialize, Debug, Clone)]
 pub struct Config {
diff --git a/src/version_table.rs b/src/version_table.rs
index 22290fd7..62d6a702 100644
--- a/src/version_table.rs
+++ b/src/version_table.rs
@@ -3,6 +3,7 @@ use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 
 use crate::background::BackgroundRunner;
+use crate::block_ref_table::*;
 use crate::data::*;
 use crate::table::*;