diff --git a/src/app.rs b/src/app.rs
index c0269337..289d892f 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1451,9 +1451,9 @@ impl Dest {
     }
 }
 
-impl ToString for Dest {
-    fn to_string(&self) -> String {
-        serde_json::to_string(self).unwrap()
+impl std::fmt::Display for Dest {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", serde_json::to_string(self).unwrap())
     }
 }
 
diff --git a/src/bin/nomic.rs b/src/bin/nomic.rs
index 04f86b67..a0aacda1 100644
--- a/src/bin/nomic.rs
+++ b/src/bin/nomic.rs
@@ -1,8 +1,6 @@
 //! This binary provides the command-line interface for running a Nomic full
 //! node, as well as client commands for querying and broadcasting transactions.
 
-#![warn(missing_docs)]
-#![warn(clippy::missing_docs_in_private_items)]
 #![feature(trivial_bounds)]
 #![allow(incomplete_features)]
 #![feature(specialization)]
@@ -13,11 +11,12 @@
 use alloy::network::EthereumWallet;
 #[cfg(feature = "ethereum")]
 use alloy::signers::local::LocalSigner;
-#[cfg(feature = "ethereum")]
-use nomic::bitcoin::deposit_index::DepositIndex;
 
 use bitcoin::consensus::{Decodable, Encodable};
-use bitcoin::secp256k1::{self, Message};
+#[cfg(feature = "ethereum")]
+use bitcoin::secp256k1::Message;
+use bitcoin::secp256k1::{self};
+
 use bitcoin::util::bip32::ExtendedPubKey;
 use bitcoincore_rpc_async::RpcApi;
 use bitcoincore_rpc_async::{Auth, Client as BtcClient};
@@ -51,11 +50,9 @@ use std::fs::Permissions;
 use std::os::unix::fs::PermissionsExt;
 use std::path::PathBuf;
 use std::str::FromStr;
-use std::sync::Arc;
 use std::time::SystemTime;
 use std::time::UNIX_EPOCH;
 use tendermint_rpc::Client as _;
-use tokio::sync::Mutex;
 
 const BANNER: &str = r#"
 ███╗   ██╗  ██████╗  ███╗   ███╗ ██╗  ██████╗
diff --git a/src/bitcoin/relayer.rs b/src/bitcoin/relayer.rs
index e471e2b8..443bebf0 100644
--- a/src/bitcoin/relayer.rs
+++ b/src/bitcoin/relayer.rs
@@ -1,4 +1,3 @@
-#![feature(async_closure)]
 use super::signatory::Signatory;
 use super::SignatorySet;
 use super::SIGSET_THRESHOLD;
@@ -11,7 +10,6 @@ use crate::error::Result;
 use crate::orga::encoding::Encode;
 use crate::utils::time_now;
 use bitcoin::consensus::{Decodable, Encodable};
-use bitcoin::TxOut;
 use bitcoin::Txid;
 use bitcoin::{hashes::Hash, Block, BlockHash, Transaction};
 use bitcoincore_rpc_async::{json::GetBlockHeaderResult, Client as BitcoinRpcClient, RpcApi};
@@ -853,7 +851,7 @@ impl Relayer {
         let mut matches = Vec::new();
         for (vout, output) in tx.output.iter().enumerate() {
             let mut script_bytes = vec![];
-            let encode: usize = output
+            let _encode: usize = output
                 .script_pubkey
                 .consensus_encode(&mut script_bytes)
                 .unwrap();