diff --git a/plonky2/src/hash/hash_types.rs b/plonky2/src/hash/hash_types.rs
index 354aecb1..1cfa7de8 100644
--- a/plonky2/src/hash/hash_types.rs
+++ b/plonky2/src/hash/hash_types.rs
@@ -1,4 +1,3 @@
-use plonky2_field::extension_field::Extendable;
 use plonky2_field::field_types::{Field, PrimeField};
 use plonky2_field::goldilocks_field::GoldilocksField;
 use rand::Rng;