diff --git a/src/garage/cli/init.rs b/src/garage/cli/init.rs
index 511b53a6..20813f1c 100644
--- a/src/garage/cli/init.rs
+++ b/src/garage/cli/init.rs
@@ -14,11 +14,11 @@ pub fn node_id_command(config_file: PathBuf, quiet: bool) -> Result<(), Error> {
 		garage_rpc::system::read_node_id(&config.metadata_dir).err_context(READ_KEY_ERROR)?;
 
 	let idstr = if let Some(addr) = config.rpc_public_addr {
-		let idstr = format!("{}@{}", hex::encode(&node_id), addr);
+		let idstr = format!("{}@{}", hex::encode(node_id), addr);
 		println!("{}", idstr);
 		idstr
 	} else {
-		let idstr = hex::encode(&node_id);
+		let idstr = hex::encode(node_id);
 		println!("{}", idstr);
 
 		if !quiet {
diff --git a/src/garage/cli/util.rs b/src/garage/cli/util.rs
index 230ce3de..2c6be2f4 100644
--- a/src/garage/cli/util.rs
+++ b/src/garage/cli/util.rs
@@ -229,7 +229,7 @@ pub fn find_matching_node(
 ) -> Result<Uuid, Error> {
 	let mut candidates = vec![];
 	for c in cand {
-		if hex::encode(&c).starts_with(&pattern) && !candidates.contains(&c) {
+		if hex::encode(c).starts_with(pattern) && !candidates.contains(&c) {
 			candidates.push(c);
 		}
 	}
diff --git a/src/garage/tests/k2v/poll.rs b/src/garage/tests/k2v/poll.rs
index f54cc5d4..5280255a 100644
--- a/src/garage/tests/k2v/poll.rs
+++ b/src/garage/tests/k2v/poll.rs
@@ -1,3 +1,4 @@
+use base64::prelude::*;
 use hyper::{Method, StatusCode};
 use std::time::Duration;
 
@@ -160,7 +161,7 @@ async fn test_poll_range() {
 		json!(
 			{
 				"items": [
-				  {"sk": "test1", "ct": ct, "v": [base64::encode(b"Initial value")]},
+				  {"sk": "test1", "ct": ct, "v": [BASE64_STANDARD.encode(b"Initial value")]},
 				],
 				"seenMarker": seen_marker,
 			}
@@ -212,7 +213,7 @@ async fn test_poll_range() {
 	assert_json_eq!(&json_res["items"][0]["sk"], json!("test1"));
 	assert_json_eq!(
 		&json_res["items"][0]["v"],
-		json!([base64::encode(b"New value")])
+		json!([BASE64_STANDARD.encode(b"New value")])
 	);
 
 	// Now we will add a value on a different key
@@ -259,6 +260,6 @@ async fn test_poll_range() {
 	assert_json_eq!(&json_res["items"][0]["sk"], json!("test2"));
 	assert_json_eq!(
 		&json_res["items"][0]["v"],
-		json!([base64::encode(b"Other value")])
+		json!([BASE64_STANDARD.encode(b"Other value")])
 	);
 }
diff --git a/src/garage/tests/s3/website.rs b/src/garage/tests/s3/website.rs
index f57e31ee..4e136e1b 100644
--- a/src/garage/tests/s3/website.rs
+++ b/src/garage/tests/s3/website.rs
@@ -57,7 +57,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};
@@ -92,7 +92,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};
@@ -121,7 +121,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};