diff --git a/src/field/packed_avx2/avx2_prime_field.rs b/src/field/packed_avx2/avx2_prime_field.rs
index b42814c2..fd153cf6 100644
--- a/src/field/packed_avx2/avx2_prime_field.rs
+++ b/src/field/packed_avx2/avx2_prime_field.rs
@@ -166,7 +166,6 @@ unsafe impl<F: ReducibleAvx2> PackedField for Avx2PrimeField<F> {
     const WIDTH: usize = 4;
 
     type Scalar = F;
-    type PackedPrimeField = Avx2PrimeField<F>;
 
     const ZERO: Self = Self([F::ZERO; 4]);
     const ONE: Self = Self([F::ONE; 4]);
diff --git a/src/hash/arch/x86_64/poseidon_goldilocks_avx2_bmi2.rs b/src/hash/arch/x86_64/poseidon_goldilocks_avx2_bmi2.rs
index 5497ab6c..35c3714a 100644
--- a/src/hash/arch/x86_64/poseidon_goldilocks_avx2_bmi2.rs
+++ b/src/hash/arch/x86_64/poseidon_goldilocks_avx2_bmi2.rs
@@ -1,4 +1,5 @@
-use core::arch::x86_64::*;
+use std::arch::asm;
+use std::arch::x86_64::*;
 use std::mem::size_of;
 
 use static_assertions::const_assert;