diff --git a/cli/src/invocation/mod.rs b/cli/src/invocation/mod.rs
index b2335a345..640925a69 100644
--- a/cli/src/invocation/mod.rs
+++ b/cli/src/invocation/mod.rs
@@ -125,7 +125,7 @@ fn get_server(settings: &Settings) -> anyhow::Result<Box<dyn Server>> {
         settings.server_origin.as_ref(),
         settings.encryption_secret.as_ref(),
     ) {
-        let client_key = Uuid::parse_str(&client_key)?;
+        let client_key = Uuid::parse_str(client_key)?;
 
         log::debug!("Using sync-server with origin {}", origin);
         log::debug!("Sync client ID: {}", client_key);
diff --git a/cli/src/invocation/modify.rs b/cli/src/invocation/modify.rs
index dd943fdd1..2e27fba74 100644
--- a/cli/src/invocation/modify.rs
+++ b/cli/src/invocation/modify.rs
@@ -30,11 +30,11 @@ pub(super) fn apply_modification(
     }
 
     for tag in modification.add_tags.iter() {
-        task.add_tag(&tag)?;
+        task.add_tag(tag)?;
     }
 
     for tag in modification.remove_tags.iter() {
-        task.remove_tag(&tag)?;
+        task.remove_tag(tag)?;
     }
 
     if let Some(wait) = modification.wait {
diff --git a/cli/src/settings/report.rs b/cli/src/settings/report.rs
index 1911bf84e..78650ffe3 100644
--- a/cli/src/settings/report.rs
+++ b/cli/src/settings/report.rs
@@ -130,7 +130,7 @@ impl TryFrom<&toml::Value> for Report {
                 .map(|(i, v)| {
                     v.as_str()
                         .ok_or_else(|| anyhow!(".filter[{}]: not a string", i))
-                        .and_then(|s| Condition::parse_str(&s))
+                        .and_then(|s| Condition::parse_str(s))
                         .map_err(|e| anyhow!(".filter[{}]: {}", i, e))
                 })
                 .collect::<Result<Vec<_>>>()?,
diff --git a/cli/src/settings/settings.rs b/cli/src/settings/settings.rs
index 83f8938ae..e1809091f 100644
--- a/cli/src/settings/settings.rs
+++ b/cli/src/settings/settings.rs
@@ -97,7 +97,7 @@ impl Settings {
             "server_dir",
             "reports",
         ];
-        let table = table_with_keys(&config_toml, &table_keys)?;
+        let table = table_with_keys(config_toml, &table_keys)?;
 
         fn get_str_cfg<F: FnOnce(String)>(
             table: &Table,
diff --git a/sync-server/src/storage/kv.rs b/sync-server/src/storage/kv.rs
index bd5fa3502..19218a235 100644
--- a/sync-server/src/storage/kv.rs
+++ b/sync-server/src/storage/kv.rs
@@ -86,7 +86,7 @@ impl<'t> StorageTxn for Txn<'t> {
         let bucket = self.clients_bucket();
         let kvtxn = self.kvtxn();
 
-        let client = match kvtxn.get(&bucket, key) {
+        let client = match kvtxn.get(bucket, key) {
             Ok(buf) => buf,
             Err(Error::NotFound) => return Ok(None),
             Err(e) => return Err(e.into()),
@@ -101,7 +101,7 @@ impl<'t> StorageTxn for Txn<'t> {
         let bucket = self.clients_bucket();
         let kvtxn = self.kvtxn();
         let client = Client { latest_version_id };
-        kvtxn.set(&bucket, key, Msgpack::to_value_buf(client)?)?;
+        kvtxn.set(bucket, key, Msgpack::to_value_buf(client)?)?;
         Ok(())
     }
 
@@ -122,7 +122,7 @@ impl<'t> StorageTxn for Txn<'t> {
         let key = version_db_key(client_key, parent_version_id);
         let bucket = self.versions_bucket();
         let kvtxn = self.kvtxn();
-        let version = match kvtxn.get(&bucket, key) {
+        let version = match kvtxn.get(bucket, key) {
             Ok(buf) => buf,
             Err(Error::NotFound) => return Ok(None),
             Err(e) => return Err(e.into()),
@@ -147,7 +147,7 @@ impl<'t> StorageTxn for Txn<'t> {
             parent_version_id,
             history_segment,
         };
-        kvtxn.set(&bucket, key, Msgpack::to_value_buf(version)?)?;
+        kvtxn.set(bucket, key, Msgpack::to_value_buf(version)?)?;
         Ok(())
     }