diff --git a/Cargo.lock b/Cargo.lock
index 79b6b94414..cdf267b3f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2653,6 +2653,7 @@ dependencies = [
  "tiny-keccak",
  "tokio",
  "tokio-stream",
+ "tokio-util 0.7.10",
  "toml 0.8.12",
  "tonic",
  "tracing",
diff --git a/Cargo.toml b/Cargo.toml
index 603983b039..1e9144acad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -131,6 +131,7 @@ tiny-bip39 = "1.0.0"
 tiny-keccak = { version = "2.0.2", default-features = false }
 tokio = "1.3"
 tokio-stream = "0.1.14"
+tokio-util = { version = "0.7" }
 toml = "0.8.8"
 tonic = "0.10"
 tracing = { version = "0.1.36", default-features = false }
diff --git a/crates/relayer/Cargo.toml b/crates/relayer/Cargo.toml
index 0c76a30099..0d83367c8b 100644
--- a/crates/relayer/Cargo.toml
+++ b/crates/relayer/Cargo.toml
@@ -98,6 +98,7 @@ tiny-bip39 = { workspace = true }
 tiny-keccak = { workspace = true, features = ["keccak"] }
 tokio = { workspace = true, features = ["rt-multi-thread", "time", "sync"] }
 tokio-stream = { workspace = true }
+tokio-util = { workspace = true }
 toml = { workspace = true }
 tonic = { workspace = true, features = ["tls", "tls-roots"] }
 tracing = { workspace = true }
diff --git a/crates/relayer/src/config.rs b/crates/relayer/src/config.rs
index 6e0fe98347..2c8957bfa5 100644
--- a/crates/relayer/src/config.rs
+++ b/crates/relayer/src/config.rs
@@ -653,6 +653,7 @@ pub enum EventSourceMode {
 // below when adding a new chain type.
 #[derive(Clone, Debug, PartialEq, Serialize)]
 #[serde(tag = "type")]
+#[allow(clippy::large_enum_variant)]
 pub enum ChainConfig {
     CosmosSdk(CosmosSdkConfig),
     Astria(CosmosSdkConfig), // TODO: if the config is the cometbft config, it's the same
@@ -781,8 +782,8 @@ impl ChainConfig {
                 .get(channel_id)
                 .map(|seqs| Cow::Borrowed(seqs.as_slice()))
                 .unwrap_or_else(|| Cow::Owned(Vec::new())),
-            Self::Penumbra(config) => todo!(),
-            Self::Astria(config) => todo!(),
+            Self::Penumbra(_config) => todo!(),
+            Self::Astria(_config) => todo!(),
         }
     }