From b5b2ef9f3e6db3bc698c0cce26c0006897cf7130 Mon Sep 17 00:00:00 2001
From: wborgeaud <williamborgeaud@gmail.com>
Date: Fri, 2 Jul 2021 11:01:20 +0200
Subject: [PATCH] Clippy

---
 src/gates/gate_tree.rs | 2 +-
 src/plonk_common.rs    | 2 +-
 src/prover.rs          | 2 +-
 src/verifier.rs        | 1 -
 4 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/gates/gate_tree.rs b/src/gates/gate_tree.rs
index 5c2e084e..0c10ed70 100644
--- a/src/gates/gate_tree.rs
+++ b/src/gates/gate_tree.rs
@@ -74,7 +74,7 @@ impl<F: Extendable<D>, const D: usize> Tree<GateRef<F, D>> {
                     // Iterate backwards from `max_degree` to try to find a tree with a lower degree
                     // but the same number of constants.
                     'optdegree: for degree in (0..max_degree).rev() {
-                        if let Some(mut tree) = Self::find_tree(&gates, degree, max_constants) {
+                        if let Some(tree) = Self::find_tree(&gates, degree, max_constants) {
                             let num_constants = tree.num_constants();
                             if num_constants > best_num_constants {
                                 break 'optdegree;
diff --git a/src/plonk_common.rs b/src/plonk_common.rs
index 3cb27246..baaf8fc5 100644
--- a/src/plonk_common.rs
+++ b/src/plonk_common.rs
@@ -9,7 +9,7 @@ use crate::gates::gate::{GateRef, PrefixedGate};
 use crate::polynomial::commitment::SALT_SIZE;
 use crate::polynomial::polynomial::PolynomialCoeffs;
 use crate::target::Target;
-use crate::util::partial_products::{check_partial_products, partial_products};
+use crate::util::partial_products::check_partial_products;
 use crate::vars::{EvaluationTargets, EvaluationVars, EvaluationVarsBase};
 
 /// Holds the Merkle tree index and blinding flag of a set of polynomials used in FRI.
diff --git a/src/prover.rs b/src/prover.rs
index ecb4cb50..b19f0360 100644
--- a/src/prover.rs
+++ b/src/prover.rs
@@ -13,7 +13,7 @@ use crate::polynomial::polynomial::{PolynomialCoeffs, PolynomialValues};
 use crate::proof::Proof;
 use crate::timed;
 use crate::util::partial_products::partial_products;
-use crate::util::{ceil_div_usize, log2_ceil, transpose};
+use crate::util::{log2_ceil, transpose};
 use crate::vars::EvaluationVarsBase;
 use crate::witness::{PartialWitness, Witness};
 
diff --git a/src/verifier.rs b/src/verifier.rs
index 0d85647e..3bfe2dc6 100644
--- a/src/verifier.rs
+++ b/src/verifier.rs
@@ -13,7 +13,6 @@ pub(crate) fn verify<F: Extendable<D>, const D: usize>(
     common_data: &CommonCircuitData<F, D>,
 ) -> Result<()> {
     let config = &common_data.config;
-    let fri_config = &config.fri_config;
     let num_challenges = config.num_challenges;
 
     let mut challenger = Challenger::new();