diff --git a/src/kv/key.rs b/src/kv/key.rs
index 8ca48829..fa19d3f6 100644
--- a/src/kv/key.rs
+++ b/src/kv/key.rs
@@ -90,7 +90,7 @@ impl AsRef<Key> for KvPairTTL {
 
 impl From<KvPairTTL> for (KvPair, u64) {
     fn from(value: KvPairTTL) -> Self {
-        (value.0.clone(), value.1)
+        (value.0, value.1)
     }
 }
 
diff --git a/src/raw/requests.rs b/src/raw/requests.rs
index 63389f2d..a349fe86 100644
--- a/src/raw/requests.rs
+++ b/src/raw/requests.rs
@@ -7,7 +7,6 @@ use std::time::Duration;
 
 use async_trait::async_trait;
 use futures::stream::BoxStream;
-use futures::StreamExt;
 
 use tonic::transport::Channel;
 
@@ -202,12 +201,12 @@ impl Shardable for kvrpcpb::RawBatchPutRequest {
         let kvs = self.pairs.clone();
         let ttls = self.ttls.clone();
         let mut kv_ttl: Vec<KvPairTTL> = kvs
-            .iter()
+            .into_iter()
             .zip(ttls)
-            .map(|(kv, ttl)| KvPairTTL(kv.clone(), ttl))
+            .map(|(kv, ttl)| KvPairTTL(kv, ttl))
             .collect();
         kv_ttl.sort_by(|a, b| a.0.key.clone().cmp(&b.0.key));
-        store_stream_for_keys(kv_ttl.into_iter(), pd_client.clone()).boxed()
+        store_stream_for_keys(kv_ttl.into_iter(), pd_client.clone())
     }
 
     fn apply_shard(&mut self, shard: Self::Shard, store: &RegionStore) -> Result<()> {
@@ -672,8 +671,7 @@ mod test {
             .retry_multi_region(DEFAULT_REGION_BACKOFF)
             .plan();
         let _ = plan.execute().await;
-        assert_eq!(actual_map.lock().unwrap().len(), 2);
-        assert_eq!(actual_map.lock().unwrap().deref().clone(), expected_map);
+        assert_eq!(actual_map.lock().unwrap().deref(), &expected_map);
         Ok(())
     }
 }
diff --git a/src/store/mod.rs b/src/store/mod.rs
index b8381de3..f21373b4 100644
--- a/src/store/mod.rs
+++ b/src/store/mod.rs
@@ -36,7 +36,7 @@ pub struct RegionStore {
 pub struct Store {
     pub client: Arc<dyn KvClient + Send + Sync>,
 }
-#[allow(dead_code)]
+
 /// Maps keys to a stream of stores. `key_data` must be sorted in increasing order
 pub fn store_stream_for_keys<K, KOut, PdC>(
     key_data: impl Iterator<Item = K> + Send + Sync + 'static,