diff --git a/runtime/src/accounts_hash.rs b/runtime/src/accounts_hash.rs
index e16428405a..54aaa5c475 100644
--- a/runtime/src/accounts_hash.rs
+++ b/runtime/src/accounts_hash.rs
@@ -562,7 +562,7 @@ impl AccountsHash {
         bin: usize,
         first_items: &'a mut Vec<Pubkey>,
         pubkey_division: &'b [Vec<Vec<CalculateHashIntermediate>>],
-        indexes: &'a mut Vec<usize>,
+        indexes: &'a mut [usize],
         first_item_to_pubkey_division: &'a mut Vec<usize>,
     ) -> &'b CalculateHashIntermediate {
         let first_item = first_items[min_index];
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 3a58c1b526..1a3912c28c 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -7211,7 +7211,7 @@ pub(crate) mod tests {
 
     fn store_accounts_for_rent_test(
         bank: &Bank,
-        keypairs: &mut Vec<Keypair>,
+        keypairs: &mut [Keypair],
         mock_program_id: Pubkey,
         generic_rent_due_for_system_account: u64,
     ) {