diff --git a/src/plonk/verifier.rs b/src/plonk/verifier.rs
index 2046140..9cd2aa4 100644
--- a/src/plonk/verifier.rs
+++ b/src/plonk/verifier.rs
@@ -281,7 +281,7 @@ impl<'a, C: CurveAffine> Proof<C> {
             .chain(
                 self.permutation_product_evals
                     .iter()
-                    .map(|product_eval| l_0 * &(C::Scalar::one() - &product_eval)),
+                    .map(|product_eval| l_0 * &(C::Scalar::one() - product_eval)),
             )
             // z(X) \prod (p(X) + \beta s_i(X) + \gamma)
             // - z(omega^{-1} X) \prod (p(X) + \delta^i \beta X + \gamma)
diff --git a/src/poly/commitment/msm.rs b/src/poly/commitment/msm.rs
index 7e04d92..42e6b87 100644
--- a/src/poly/commitment/msm.rs
+++ b/src/poly/commitment/msm.rs
@@ -55,7 +55,7 @@ impl<'a, C: CurveAffine> MSM<'a, C> {
         assert_eq!(scalars.len(), self.params.n as usize);
         if let Some(g_scalars) = &mut self.g_scalars {
             for (g_scalar, scalar) in g_scalars.iter_mut().zip(scalars.iter()) {
-                *g_scalar += &scalar;
+                *g_scalar += scalar;
             }
         } else {
             self.g_scalars = Some(scalars.to_vec());
diff --git a/src/poly/multiopen/verifier.rs b/src/poly/multiopen/verifier.rs
index f674e31..bcdc30a 100644
--- a/src/poly/multiopen/verifier.rs
+++ b/src/poly/multiopen/verifier.rs
@@ -101,7 +101,7 @@ impl<C: CurveAffine> Proof<C> {
                     let r_poly = lagrange_interpolate(points, evals);
                     let r_eval = eval_polynomial(&r_poly, x_6);
                     let eval = points.iter().fold(*proof_eval - &r_eval, |eval, point| {
-                        eval * &(x_6 - &point).invert().unwrap()
+                        eval * &(x_6 - point).invert().unwrap()
                     });
                     msm_eval * &x_5 + &eval
                 },
@@ -119,7 +119,7 @@ impl<C: CurveAffine> Proof<C> {
             |(mut commitment_msm, msm_eval), (q_commitment, q_eval)| {
                 commitment_msm.scale(x_7);
                 commitment_msm.add_msm(&q_commitment);
-                (commitment_msm, msm_eval * &x_7 + &q_eval)
+                (commitment_msm, msm_eval * &x_7 + q_eval)
             },
         );