diff --git a/src/garage/cli/convert_db.rs b/src/garage/cli/convert_db.rs
index 044ccbb9..6b854ccb 100644
--- a/src/garage/cli/convert_db.rs
+++ b/src/garage/cli/convert_db.rs
@@ -67,8 +67,8 @@ fn open_db(path: PathBuf, engine: Engine, open: &OpenDbOpt) -> Result<Db> {
 		#[cfg(feature = "sqlite")]
 		Engine::Sqlite => {
 			let db = sqlite_adapter::rusqlite::Connection::open(&path)?;
-			db.pragma_update(None, "journal_mode", &"WAL")?;
-			db.pragma_update(None, "synchronous", &"NORMAL")?;
+			db.pragma_update(None, "journal_mode", "WAL")?;
+			db.pragma_update(None, "synchronous", "NORMAL")?;
 			Ok(sqlite_adapter::SqliteDb::init(db))
 		}
 		#[cfg(feature = "lmdb")]
diff --git a/src/garage/secrets.rs b/src/garage/secrets.rs
index e96be9e4..8c89a262 100644
--- a/src/garage/secrets.rs
+++ b/src/garage/secrets.rs
@@ -213,10 +213,10 @@ mod tests {
 			};
 
 			use std::os::unix::fs::PermissionsExt;
-			let metadata = std::fs::metadata(&path_secret_path)?;
+			let metadata = std::fs::metadata(path_secret_path)?;
 			let mut perm = metadata.permissions();
 			perm.set_mode(0o660);
-			std::fs::set_permissions(&path_secret_path, perm)?;
+			std::fs::set_permissions(path_secret_path, perm)?;
 
 			// Config file that just specifies the path
 			let config = read_config(path_config.to_path_buf())?;
diff --git a/src/garage/tests/common/custom_requester.rs b/src/garage/tests/common/custom_requester.rs
index 72fb1a46..e5f4cca1 100644
--- a/src/garage/tests/common/custom_requester.rs
+++ b/src/garage/tests/common/custom_requester.rs
@@ -205,8 +205,8 @@ impl<'a> RequestBuilder<'a> {
 		all_headers.insert("x-amz-content-sha256".to_owned(), body_sha.clone());
 
 		let mut signed_headers = all_headers
-			.iter()
-			.map(|(k, _)| k.as_ref())
+			.keys()
+			.map(|k| k.as_ref())
 			.collect::<Vec<&str>>();
 		signed_headers.sort();
 		let signed_headers = signed_headers.join(";");
diff --git a/src/garage/tests/s3/website.rs b/src/garage/tests/s3/website.rs
index 19f53fcd..0cadc388 100644
--- a/src/garage/tests/s3/website.rs
+++ b/src/garage/tests/s3/website.rs
@@ -61,8 +61,7 @@ async fn test_website() {
 			.method("GET")
 			.uri(format!(
 				"http://127.0.0.1:{0}/check?domain={1}",
-				ctx.garage.admin_port,
-				BCKT_NAME.to_string()
+				ctx.garage.admin_port, BCKT_NAME
 			))
 			.body(Body::new(Bytes::new()))
 			.unwrap()
@@ -136,8 +135,7 @@ async fn test_website() {
 			.method("GET")
 			.uri(format!(
 				"http://127.0.0.1:{0}/check?domain={1}",
-				ctx.garage.admin_port,
-				BCKT_NAME.to_string()
+				ctx.garage.admin_port, BCKT_NAME
 			))
 			.body(Body::new(Bytes::new()))
 			.unwrap()
diff --git a/src/k2v-client/lib.rs b/src/k2v-client/lib.rs
index 13538909..852274a7 100644
--- a/src/k2v-client/lib.rs
+++ b/src/k2v-client/lib.rs
@@ -10,7 +10,7 @@ use http::header::{ACCEPT, CONTENT_TYPE};
 use http::status::StatusCode;
 use http::{HeaderName, HeaderValue, Request};
 use http_body_util::{BodyExt, Full as FullBody};
-use hyper::{body::Body as BodyTrait, body::Bytes};
+use hyper::body::Bytes;
 use hyper_rustls::HttpsConnector;
 use hyper_util::client::legacy::{connect::HttpConnector, Client as HttpClient};
 use hyper_util::rt::TokioExecutor;