diff --git a/prover/benches/proof_of_liabilities.rs b/prover/benches/proof_of_liabilities.rs
index b60fe012..b47d2075 100644
--- a/prover/benches/proof_of_liabilities.rs
+++ b/prover/benches/proof_of_liabilities.rs
@@ -28,7 +28,7 @@ fn bench_summa<const K: u32, const N_USERS: usize, const N_CURRENCIES: usize>()
     let halo2_circuit = SummaHyperplonk::<N_USERS, N_CURRENCIES>::init(entries.to_vec());
 
     let circuit = Halo2Circuit::<Fp, SummaHyperplonk<N_USERS, N_CURRENCIES>>::new::<Pb>(
-        17,
+        K as usize,
         halo2_circuit.clone(),
     );
 
@@ -54,7 +54,7 @@ fn bench_summa<const K: u32, const N_USERS: usize, const N_CURRENCIES: usize>()
         b.iter_batched(
             || {
                 Halo2Circuit::<Fp, SummaHyperplonk<N_USERS, N_CURRENCIES>>::new::<Pb>(
-                    17,
+                    K as usize,
                     halo2_circuit.clone(),
                 )
             },
diff --git a/prover/src/circuits/summa_circuit.rs b/prover/src/circuits/summa_circuit.rs
index 2263e342..2fd17cae 100644
--- a/prover/src/circuits/summa_circuit.rs
+++ b/prover/src/circuits/summa_circuit.rs
@@ -202,7 +202,7 @@ pub mod summa_hyperplonk {
                             assigned_balances.push(assigned_balances_row);
                         }
 
-                        Ok((assigned_balances, last_assigned_running_sums.clone()))
+                        Ok((assigned_balances, last_assigned_running_sums))
                     },
                 )
                 .unwrap();