diff --git a/crates/daemon/keyforkd-client/src/tests.rs b/crates/daemon/keyforkd-client/src/tests.rs
index 5557d79..f6a32b8 100644
--- a/crates/daemon/keyforkd-client/src/tests.rs
+++ b/crates/daemon/keyforkd-client/src/tests.rs
@@ -18,7 +18,7 @@ fn secp256k1_test_suite() {
         let seed = seed_test.seed;
         run_test(&seed, move |socket_path| -> Result<(), Box<dyn std::error::Error + Send>> {
             for test in seed_test.tests {
-                let socket = UnixStream::connect(&socket_path).unwrap();
+                let socket = UnixStream::connect(socket_path).unwrap();
                 let mut client = Client::new(socket);
                 let chain = DerivationPath::from_str(test.chain).unwrap();
                 let chain_len = chain.len();
@@ -29,7 +29,7 @@ fn secp256k1_test_suite() {
                 // key using an XPrv, for all but the last XPrv, which is verified after this
                 for i in 2..chain_len {
                     // FIXME: Keyfork will only allow one request per session
-                    let socket = UnixStream::connect(&socket_path).unwrap();
+                    let socket = UnixStream::connect(socket_path).unwrap();
                     let mut client = Client::new(socket);
                     let path = DerivationPath::from_str(test.chain).unwrap();
                     let left_path = path.inner()[..i]
@@ -40,7 +40,7 @@ fn secp256k1_test_suite() {
                         .fold(DerivationPath::default(), |p, i| p.chain_push(i.clone()));
                     let xprv = dbg!(client.request_xprv::<SecretKey>(&left_path)).unwrap();
                     let derived_xprv = xprv.derive_path(&right_path).unwrap();
-                    let socket = UnixStream::connect(&socket_path).unwrap();
+                    let socket = UnixStream::connect(socket_path).unwrap();
                     let mut client = Client::new(socket);
                     let keyforkd_xprv = client.request_xprv::<SecretKey>(&path).unwrap();
                     assert_eq!(
@@ -73,7 +73,7 @@ fn ed25519_test_suite() {
         let seed = seed_test.seed;
         run_test(&seed, move |socket_path| {
             for test in seed_test.tests {
-                let socket = UnixStream::connect(&socket_path).unwrap();
+                let socket = UnixStream::connect(socket_path).unwrap();
                 let mut client = Client::new(socket);
                 let chain = DerivationPath::from_str(test.chain).unwrap();
                 let chain_len = chain.len();
diff --git a/crates/derive/keyfork-derive-key/src/main.rs b/crates/derive/keyfork-derive-key/src/main.rs
index 21a2645..af3b236 100644
--- a/crates/derive/keyfork-derive-key/src/main.rs
+++ b/crates/derive/keyfork-derive-key/src/main.rs
@@ -46,7 +46,7 @@ fn run() -> Result<(), Box<dyn std::error::Error>> {
     let mut client = Client::discover_socket()?;
     let request = DerivationRequest::new(algo, &path);
     let response = client.request(&request.into())?;
-    println!("{}", smex::encode(&DerivationResponse::try_from(response)?.data));
+    println!("{}", smex::encode(DerivationResponse::try_from(response)?.data));
     Ok(())
 }
 
diff --git a/crates/derive/keyfork-derive-openpgp/src/lib.rs b/crates/derive/keyfork-derive-openpgp/src/lib.rs
index f77977b..6ba7755 100644
--- a/crates/derive/keyfork-derive-openpgp/src/lib.rs
+++ b/crates/derive/keyfork-derive-openpgp/src/lib.rs
@@ -74,7 +74,7 @@ pub fn derive(xprv: XPrv, keys: &[KeyFlags], userid: &UserID) -> Result<Cert> {
     let expiration_date = match std::env::var("KEYFORK_OPENPGP_EXPIRE").as_mut() {
         Ok(var) => {
             let ch = var.pop();
-            match (ch, u64::from_str(&var)) {
+            match (ch, u64::from_str(var)) {
                 (Some(ch @ ('d' | 'm' | 'y')), Ok(expire)) => {
                     let multiplier = match ch {
                         'd' => 1,
diff --git a/crates/derive/keyfork-derive-util/src/tests.rs b/crates/derive/keyfork-derive-util/src/tests.rs
index 3f2eba3..4872c8c 100644
--- a/crates/derive/keyfork-derive-util/src/tests.rs
+++ b/crates/derive/keyfork-derive-util/src/tests.rs
@@ -30,7 +30,7 @@ fn secp256k1() {
             } = test;
 
             // Tests for ExtendedPrivateKey
-            let varlen_seed = VariableLengthSeed::new(&seed);
+            let varlen_seed = VariableLengthSeed::new(seed);
             let xkey = ExtendedPrivateKey::<SecretKey>::new(varlen_seed);
             let derived_key = xkey.derive_path(&chain).unwrap();
             assert_eq!(
@@ -51,7 +51,7 @@ fn secp256k1() {
 
             // Tests for DerivationRequest
             let request = DerivationRequest::new(DerivationAlgorithm::Secp256k1, &chain);
-            let response = request.derive_with_master_seed(&seed).unwrap();
+            let response = request.derive_with_master_seed(seed).unwrap();
             assert_eq!(&response.data, private_key.as_slice(), "test: {chain}");
         }
     }
@@ -76,7 +76,7 @@ fn ed25519() {
             } = test;
 
             // Tests for ExtendedPrivateKey
-            let varlen_seed = VariableLengthSeed::new(&seed);
+            let varlen_seed = VariableLengthSeed::new(seed);
             let xkey = ExtendedPrivateKey::<SigningKey>::new(varlen_seed);
             let derived_key = xkey.derive_path(&chain).unwrap();
             assert_eq!(
@@ -97,7 +97,7 @@ fn ed25519() {
 
             // Tests for DerivationRequest
             let request = DerivationRequest::new(DerivationAlgorithm::Ed25519, &chain);
-            let response = request.derive_with_master_seed(&seed).unwrap();
+            let response = request.derive_with_master_seed(seed).unwrap();
             assert_eq!(&response.data, private_key.as_slice(), "test: {chain}");
         }
     }
diff --git a/crates/keyfork-shard/src/bin/keyfork-shard-split-openpgp.rs b/crates/keyfork-shard/src/bin/keyfork-shard-split-openpgp.rs
index 2f12e58..29d6f0a 100644
--- a/crates/keyfork-shard/src/bin/keyfork-shard-split-openpgp.rs
+++ b/crates/keyfork-shard/src/bin/keyfork-shard-split-openpgp.rs
@@ -69,7 +69,7 @@ fn run() -> Result<()> {
         let Some(line) = stdin().lines().next() else {
             return Err(Error::Input.into());
         };
-        smex::decode(&line?)?
+        smex::decode(line?)?
     };
 
     split(threshold, cert_list, &input, std::io::stdout())?;
diff --git a/crates/util/keyfork-entropy/src/main.rs b/crates/util/keyfork-entropy/src/main.rs
index b2f97b3..4ffbb98 100644
--- a/crates/util/keyfork-entropy/src/main.rs
+++ b/crates/util/keyfork-entropy/src/main.rs
@@ -16,7 +16,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     );
 
     let entropy = keyfork_entropy::generate_entropy_of_size(bit_size / 8)?;
-    println!("{}", smex::encode(&entropy));
+    println!("{}", smex::encode(entropy));
 
     Ok(())
 }