diff --git a/field/src/lib.rs b/field/src/lib.rs
index c35441bd..d2fd5832 100644
--- a/field/src/lib.rs
+++ b/field/src/lib.rs
@@ -5,7 +5,7 @@
 #![allow(clippy::needless_range_loop)]
 #![feature(specialization)]
 #![cfg_attr(not(test), no_std)]
-
+#![cfg(not(test))]
 extern crate alloc;
 
 pub(crate) mod arch;
diff --git a/maybe_rayon/src/lib.rs b/maybe_rayon/src/lib.rs
index 8e8d0718..94289849 100644
--- a/maybe_rayon/src/lib.rs
+++ b/maybe_rayon/src/lib.rs
@@ -16,7 +16,7 @@ use rayon::{
     prelude::*,
     slice::{
         Chunks as ParChunks, ChunksExact as ParChunksExact, ChunksExactMut as ParChunksExactMut,
-        ChunksMut as ParChunksMut, ParallelSlice, ParallelSliceMut,
+        ChunksMut as ParChunksMut,
     },
 };
 #[cfg(not(feature = "parallel"))]
diff --git a/plonky2/src/gates/coset_interpolation.rs b/plonky2/src/gates/coset_interpolation.rs
index 9911e927..a1ebd214 100644
--- a/plonky2/src/gates/coset_interpolation.rs
+++ b/plonky2/src/gates/coset_interpolation.rs
@@ -644,7 +644,7 @@ mod tests {
 
     use super::*;
     use crate::field::goldilocks_field::GoldilocksField;
-    use crate::field::types::{Field, Sample};
+    use crate::field::types::Sample;
     use crate::gates::gate_testing::{test_eval_fns, test_low_degree};
     use crate::hash::hash_types::HashOut;
     use crate::plonk::config::{GenericConfig, PoseidonGoldilocksConfig};
diff --git a/plonky2/src/hash/merkle_proofs.rs b/plonky2/src/hash/merkle_proofs.rs
index c8fd2492..d773b11a 100644
--- a/plonky2/src/hash/merkle_proofs.rs
+++ b/plonky2/src/hash/merkle_proofs.rs
@@ -171,7 +171,6 @@ impl<F: RichField + Extendable<D>, const D: usize> CircuitBuilder<F, D> {
 
 #[cfg(test)]
 mod tests {
-    use anyhow::Result;
     use rand::rngs::OsRng;
     use rand::Rng;
 
@@ -179,7 +178,6 @@ mod tests {
     use crate::field::types::Field;
     use crate::hash::merkle_tree::MerkleTree;
     use crate::iop::witness::{PartialWitness, WitnessWrite};
-    use crate::plonk::circuit_builder::CircuitBuilder;
     use crate::plonk::circuit_data::CircuitConfig;
     use crate::plonk::config::{GenericConfig, PoseidonGoldilocksConfig};
     use crate::plonk::verifier::verify;
diff --git a/plonky2/src/recursion/conditional_recursive_verifier.rs b/plonky2/src/recursion/conditional_recursive_verifier.rs
index 43bef589..2dc6966a 100644
--- a/plonky2/src/recursion/conditional_recursive_verifier.rs
+++ b/plonky2/src/recursion/conditional_recursive_verifier.rs
@@ -348,7 +348,7 @@ mod tests {
     use crate::gates::noop::NoopGate;
     use crate::iop::witness::{PartialWitness, WitnessWrite};
     use crate::plonk::circuit_data::CircuitConfig;
-    use crate::plonk::config::{GenericConfig, PoseidonGoldilocksConfig};
+    use crate::plonk::config::PoseidonGoldilocksConfig;
     use crate::recursion::dummy_circuit::{dummy_circuit, dummy_proof};
 
     #[test]
diff --git a/plonky2/src/recursion/recursive_verifier.rs b/plonky2/src/recursion/recursive_verifier.rs
index 2da24408..82d1e813 100644
--- a/plonky2/src/recursion/recursive_verifier.rs
+++ b/plonky2/src/recursion/recursive_verifier.rs
@@ -208,7 +208,7 @@ mod tests {
     use crate::gates::noop::NoopGate;
     use crate::iop::witness::{PartialWitness, WitnessWrite};
     use crate::plonk::circuit_data::{CircuitConfig, VerifierOnlyCircuitData};
-    use crate::plonk::config::{GenericConfig, KeccakGoldilocksConfig, PoseidonGoldilocksConfig};
+    use crate::plonk::config::{KeccakGoldilocksConfig, PoseidonGoldilocksConfig};
     use crate::plonk::proof::{CompressedProofWithPublicInputs, ProofWithPublicInputs};
     use crate::plonk::prover::prove;
     use crate::util::timing::TimingTree;