diff --git a/akd/src/storage/transaction.rs b/akd/src/storage/transaction.rs
index baf568d0..7fe07a0c 100644
--- a/akd/src/storage/transaction.rs
+++ b/akd/src/storage/transaction.rs
@@ -202,7 +202,7 @@ impl Transaction {
         }
 
         // sort all the value lists by epoch
-        for (_k, v) in results.iter_mut() {
+        for v in results.values_mut() {
             v.sort_unstable_by_key(|a| a.epoch);
         }
 
diff --git a/examples/src/mysql_demo/mysql_storables.rs b/examples/src/mysql_demo/mysql_storables.rs
index 8feccbfb..eab61ea1 100644
--- a/examples/src/mysql_demo/mysql_storables.rs
+++ b/examples/src/mysql_demo/mysql_storables.rs
@@ -711,10 +711,7 @@ impl MySqlStorable for DbRecord {
                     let massaged_hash_vec: akd::Digest =
                         akd::hash::try_parse_digest(&hash_vec).map_err(|_| cast_err())?;
                     let massaged_prev_hash_vec: Option<akd::Digest> = match prev_hash_vec {
-                        Some(v) => match akd::hash::try_parse_digest(&v).map_err(|_| cast_err()) {
-                            Ok(r) => Some(r),
-                            Err(err) => return Err(err),
-                        },
+                        Some(v) => Some(akd::hash::try_parse_digest(&v).map_err(|_| cast_err())?),
                         None => None,
                     };