diff --git a/src/spartan/batched.rs b/src/spartan/batched.rs
index a994230b6..7657567fc 100644
--- a/src/spartan/batched.rs
+++ b/src/spartan/batched.rs
@@ -6,7 +6,6 @@
 use ff::Field;
 use serde::{Deserialize, Serialize};
 
-use abomonation::Abomonation;
 use itertools::Itertools;
 use once_cell::sync::OnceCell;
 use rayon::prelude::*;
@@ -103,8 +102,6 @@ impl<E: Engine, EE: EvaluationEngineTrait<E>> DigestHelperTrait<E> for VerifierK
 
 impl<E: Engine, EE: EvaluationEngineTrait<E>> BatchedRelaxedR1CSSNARKTrait<E>
   for BatchedRelaxedR1CSSNARK<E, EE>
-where
-  <E::Scalar as ff::PrimeField>::Repr: Abomonation,
 {
   type ProverKey = ProverKey<E, EE>;
 
diff --git a/src/spartan/batched_ppsnark.rs b/src/spartan/batched_ppsnark.rs
index c7f770720..e0a8ecdda 100644
--- a/src/spartan/batched_ppsnark.rs
+++ b/src/spartan/batched_ppsnark.rs
@@ -34,8 +34,7 @@ use crate::{
   },
   zip_with, zip_with_for_each, Commitment, CommitmentKey, CompressedCommitment,
 };
-use abomonation::Abomonation;
-use ff::{Field, PrimeField};
+use ff::Field;
 use itertools::{chain, Itertools as _};
 use once_cell::sync::*;
 use rayon::prelude::*;
@@ -126,8 +125,6 @@ pub struct BatchedRelaxedR1CSSNARK<E: Engine, EE: EvaluationEngineTrait<E>> {
 
 impl<E: Engine, EE: EvaluationEngineTrait<E>> BatchedRelaxedR1CSSNARKTrait<E>
   for BatchedRelaxedR1CSSNARK<E, EE>
-where
-  <E::Scalar as PrimeField>::Repr: Abomonation,
 {
   type ProverKey = ProverKey<E, EE>;
   type VerifierKey = VerifierKey<E, EE>;
@@ -1088,10 +1085,7 @@ where
   }
 }
 
-impl<E: Engine, EE: EvaluationEngineTrait<E>> BatchedRelaxedR1CSSNARK<E, EE>
-where
-  <E::Scalar as PrimeField>::Repr: Abomonation,
-{
+impl<E: Engine, EE: EvaluationEngineTrait<E>> BatchedRelaxedR1CSSNARK<E, EE> {
   /// Runs the batched Sumcheck protocol for the claims of multiple instance of possibly different sizes.
   ///
   /// # Details
diff --git a/src/spartan/ppsnark.rs b/src/spartan/ppsnark.rs
index a7af68e87..66b118fed 100644
--- a/src/spartan/ppsnark.rs
+++ b/src/spartan/ppsnark.rs
@@ -325,8 +325,7 @@ pub struct RelaxedR1CSSNARK<E: Engine, EE: EvaluationEngineTrait<E>> {
   eval_arg: EE::EvaluationArgument,
 }
 
-impl<E: Engine, EE: EvaluationEngineTrait<E>> RelaxedR1CSSNARK<E, EE>
-{
+impl<E: Engine, EE: EvaluationEngineTrait<E>> RelaxedR1CSSNARK<E, EE> {
   fn prove_helper<T1, T2, T3, T4>(
     mem: &mut T1,
     outer: &mut T2,
@@ -465,8 +464,7 @@ impl<E: Engine, EE: EvaluationEngineTrait<E>> DigestHelperTrait<E> for VerifierK
   }
 }
 
-impl<E: Engine, EE: EvaluationEngineTrait<E>> RelaxedR1CSSNARKTrait<E> for RelaxedR1CSSNARK<E, EE>
-{
+impl<E: Engine, EE: EvaluationEngineTrait<E>> RelaxedR1CSSNARKTrait<E> for RelaxedR1CSSNARK<E, EE> {
   type ProverKey = ProverKey<E, EE>;
   type VerifierKey = VerifierKey<E, EE>;