diff --git a/crates/rpc/rpc-types/src/rpc.rs b/crates/rpc/rpc-types/src/rpc.rs
index 68c71b36d3..d754a23c80 100644
--- a/crates/rpc/rpc-types/src/rpc.rs
+++ b/crates/rpc/rpc-types/src/rpc.rs
@@ -35,7 +35,7 @@ mod tests {
             ("net".to_owned(), "1.0".to_owned()),
         ]);
         let m = RpcModules::new(module_map);
-        let de_serialized: RpcModules = serde_json::from_str(&s).unwrap();
+        let de_serialized: RpcModules = serde_json::from_str(s).unwrap();
         assert_eq!(de_serialized, m);
     }
 }
diff --git a/crates/storage/provider/src/providers/state/historical.rs b/crates/storage/provider/src/providers/state/historical.rs
index 2e3ddf3b3b..1b35bc4d44 100644
--- a/crates/storage/provider/src/providers/state/historical.rs
+++ b/crates/storage/provider/src/providers/state/historical.rs
@@ -64,7 +64,7 @@ impl<'a, 'b, TX: DbTx<'a>> AccountProvider for HistoricalStateProviderRef<'a, 'b
                     address,
                 })?;
             Ok(account.info)
-        } else if None == changeset_block_number {
+        } else if changeset_block_number.is_none() {
             // if there is no shard, return empty account.
             Ok(None)
         } else {
@@ -129,7 +129,7 @@ impl<'a, 'b, TX: DbTx<'a>> StateProvider for HistoricalStateProviderRef<'a, 'b,
                     storage_key,
                 })?;
             Ok(Some(storage_entry.value))
-        } else if changeset_block_number == None {
+        } else if changeset_block_number.is_none() {
             // if there is no shards, return empty account.
             return Ok(None)
         } else {