diff --git a/bellman/src/groth16/mod.rs b/bellman/src/groth16/mod.rs
index 428176bf9..9fa3bc880 100644
--- a/bellman/src/groth16/mod.rs
+++ b/bellman/src/groth16/mod.rs
@@ -3,8 +3,8 @@ use pairing::{Engine, PairingCurveAffine};
 
 use crate::SynthesisError;
 
-use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
 use crate::multiexp::SourceBuilder;
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
 use std::io::{self, Read, Write};
 use std::sync::Arc;
 
diff --git a/pairing/src/bls12_381/ec.rs b/pairing/src/bls12_381/ec.rs
index 3fc2b43a1..675999167 100644
--- a/pairing/src/bls12_381/ec.rs
+++ b/pairing/src/bls12_381/ec.rs
@@ -622,11 +622,11 @@ macro_rules! curve_impl {
 pub mod g1 {
     use super::super::{Bls12, Fq, Fq12, FqRepr, Fr, FrRepr};
     use super::g2::G2Affine;
+    use crate::{Engine, PairingCurveAffine};
     use ff::{BitIterator, Field, PrimeField, PrimeFieldRepr, SqrtField};
     use group::{CurveAffine, CurveProjective, EncodedPoint, GroupDecodingError};
     use rand_core::RngCore;
     use std::fmt;
-    use crate::{Engine, PairingCurveAffine};
 
     curve_impl!(
         "G1",
@@ -1291,11 +1291,11 @@ pub mod g1 {
 pub mod g2 {
     use super::super::{Bls12, Fq, Fq12, Fq2, FqRepr, Fr, FrRepr};
     use super::g1::G1Affine;
+    use crate::{Engine, PairingCurveAffine};
     use ff::{BitIterator, Field, PrimeField, PrimeFieldRepr, SqrtField};
     use group::{CurveAffine, CurveProjective, EncodedPoint, GroupDecodingError};
     use rand_core::RngCore;
     use std::fmt;
-    use crate::{Engine, PairingCurveAffine};
 
     curve_impl!(
         "G2",
diff --git a/zcash_primitives/src/group_hash.rs b/zcash_primitives/src/group_hash.rs
index e67ca4905..8549c5e3e 100644
--- a/zcash_primitives/src/group_hash.rs
+++ b/zcash_primitives/src/group_hash.rs
@@ -2,8 +2,8 @@ use crate::jubjub::{edwards, JubjubEngine, PrimeOrder};
 
 use ff::PrimeField;
 
-use blake2s_simd::Params;
 use crate::constants;
+use blake2s_simd::Params;
 
 /// Produces a random point in the Jubjub curve.
 /// The point is guaranteed to be prime order
diff --git a/zcash_primitives/src/pedersen_hash.rs b/zcash_primitives/src/pedersen_hash.rs
index 0274a1e66..835e9c730 100644
--- a/zcash_primitives/src/pedersen_hash.rs
+++ b/zcash_primitives/src/pedersen_hash.rs
@@ -1,5 +1,5 @@
-use ff::{Field, PrimeField, PrimeFieldRepr};
 use crate::jubjub::*;
+use ff::{Field, PrimeField, PrimeFieldRepr};
 
 #[derive(Copy, Clone)]
 pub enum Personalization {
diff --git a/zcash_primitives/src/transaction/builder.rs b/zcash_primitives/src/transaction/builder.rs
index 244f41b29..a5df4c878 100644
--- a/zcash_primitives/src/transaction/builder.rs
+++ b/zcash_primitives/src/transaction/builder.rs
@@ -1,5 +1,6 @@
 //! Structs for building transactions.
 
+use crate::zip32::ExtendedSpendingKey;
 use crate::{
     jubjub::fs::Fs,
     primitives::{Diversifier, Note, PaymentAddress},
@@ -7,7 +8,6 @@ use crate::{
 use ff::Field;
 use pairing::bls12_381::{Bls12, Fr};
 use rand::{rngs::OsRng, seq::SliceRandom, CryptoRng, RngCore};
-use crate::zip32::ExtendedSpendingKey;
 
 use crate::{
     keys::OutgoingViewingKey,