Fix clippy lints

2 files changed, 7 insertions, 7 deletions

diff --git a/mullvad-update/src/format/deserializer.rs b/mullvad-update/src/format/deserializer.rs
index 28291dde00..f79aab6537 100644
--- a/mullvad-update/src/format/deserializer.rs
+++ b/mullvad-update/src/format/deserializer.rs
@@ -40,7 +40,7 @@ impl SignedResponse {
         min_metadata_version: usize,
     ) -> Result<Self, anyhow::Error> {
         // Deserialize and verify signature
-        let partial_data = deserialize_and_verify(&key, bytes)?;
+        let partial_data = deserialize_and_verify(key, bytes)?;
 
         // Deserialize the canonical JSON to structured representation
         let signed_response: Response = serde_json::from_value(partial_data.signed)
@@ -182,7 +182,7 @@ mod test {
             .expect("deserialization failed");
 
         let expected_key = VerifyingKey::from_hex(pubkey).unwrap();
-        let expected_sig = Signature::from_hex(&fakesig).unwrap();
+        let expected_sig = Signature::from_hex(fakesig).unwrap();
 
         // Ed25519 key
         assert!(
diff --git a/mullvad-update/src/format/key.rs b/mullvad-update/src/format/key.rs
index a951aff709..01cd51a6ea 100644
--- a/mullvad-update/src/format/key.rs
+++ b/mullvad-update/src/format/key.rs
@@ -1,6 +1,6 @@
 //! Key and signature types for API version response format
 
-use std::str::FromStr;
+use std::{fmt, str::FromStr};
 
 use anyhow::{bail, Context};
 use ed25519_dalek::ed25519::signature::SignerMut;
@@ -34,9 +34,9 @@ impl SecretKey {
     }
 }
 
-impl ToString for SecretKey {
-    fn to_string(&self) -> String {
-        hex::encode(self.0)
+impl fmt::Display for SecretKey {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", hex::encode(self.0))
     }
 }
 
@@ -56,7 +56,7 @@ impl FromStr for SecretKey {
     type Err = anyhow::Error;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let bytes = bytes_from_hex::<{ ed25519_dalek::SECRET_KEY_LENGTH }>(&s)?;
+        let bytes = bytes_from_hex::<{ ed25519_dalek::SECRET_KEY_LENGTH }>(s)?;
         Ok(SecretKey(bytes))
     }
 }