diff --git a/src/bls12_381/tests/mod.rs b/src/bls12_381/tests/mod.rs
index 6f1366163..b5b75a330 100644
--- a/src/bls12_381/tests/mod.rs
+++ b/src/bls12_381/tests/mod.rs
@@ -1,3 +1,4 @@
+use ff::PrimeFieldRepr;
 use group::{CurveAffine, CurveProjective, EncodedPoint, GroupDecodingError};
 
 use super::*;
diff --git a/src/lib.rs b/src/lib.rs
index d2e429982..adabcce1f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,7 +22,7 @@ pub mod tests;
 
 pub mod bls12_381;
 
-use ff::{Field, PrimeField, PrimeFieldDecodingError, PrimeFieldRepr, ScalarEngine, SqrtField};
+use ff::{Field, PrimeField, ScalarEngine, SqrtField};
 use group::{CurveAffine, CurveProjective};
 
 /// An "engine" is a collection of types (fields, elliptic curve groups, etc.)