diff --git a/src/fri/verifier.rs b/src/fri/verifier.rs
index 50537a9e..b94807f1 100644
--- a/src/fri/verifier.rs
+++ b/src/fri/verifier.rs
@@ -7,7 +7,7 @@ use crate::fri::FriConfig;
 use crate::hash::hash_n_to_1;
 use crate::merkle_proofs::verify_merkle_proof;
 use crate::plonk_challenger::Challenger;
-use crate::plonk_common::{reduce_with_iter, PlonkPolynomials};
+use crate::plonk_common::PlonkPolynomials;
 use crate::proof::{FriInitialTreeProof, FriProof, FriQueryRound, Hash, OpeningSet};
 use crate::util::scaling::ScalingFactor;
 use crate::util::{log2_strict, reverse_bits, reverse_index_bits_in_place};
diff --git a/src/polynomial/commitment.rs b/src/polynomial/commitment.rs
index 9fa7bc01..c09e1e20 100644
--- a/src/polynomial/commitment.rs
+++ b/src/polynomial/commitment.rs
@@ -8,7 +8,7 @@ use crate::field::lagrange::interpolant;
 use crate::fri::{prover::fri_proof, verifier::verify_fri_proof, FriConfig};
 use crate::merkle_tree::MerkleTree;
 use crate::plonk_challenger::Challenger;
-use crate::plonk_common::{reduce_polys_with_iter, reduce_with_iter, PlonkPolynomials};
+use crate::plonk_common::PlonkPolynomials;
 use crate::polynomial::polynomial::PolynomialCoeffs;
 use crate::proof::{FriProof, FriProofTarget, Hash, OpeningSet};
 use crate::timed;