diff --git a/benches/parse_bench.rs b/benches/parse_bench.rs
index c880846..0e3341c 100644
--- a/benches/parse_bench.rs
+++ b/benches/parse_bench.rs
@@ -1,10 +1,5 @@
-#[macro_use]
-extern crate criterion;
-
-
+use criterion::{criterion_group, criterion_main, Criterion};
 use ipnetwork::{Ipv4Network, Ipv6Network};
-use criterion::Criterion;
-
 use std::net::{Ipv4Addr, Ipv6Addr};
 
 fn parse_ipv4_benchmark(c: &mut Criterion) {
diff --git a/src/common.rs b/src/common.rs
index 9932bd3..ac52028 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -1,5 +1,4 @@
-use std::error::Error;
-use std::fmt;
+use std::{error::Error, fmt};
 
 /// Represents a bunch of errors that can occur while working with a `IpNetwork`
 #[derive(Debug, Clone, PartialEq, Eq)]
diff --git a/src/ipv4.rs b/src/ipv4.rs
index 4e97fae..9051d7a 100644
--- a/src/ipv4.rs
+++ b/src/ipv4.rs
@@ -1,10 +1,6 @@
-use std::fmt;
-use std::net::Ipv4Addr;
-use std::str::FromStr;
-
-use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
-
 use crate::common::{cidr_parts, parse_prefix, IpNetworkError};
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use std::{fmt, net::Ipv4Addr, str::FromStr};
 
 const IPV4_BITS: u8 = 32;
 
diff --git a/src/ipv6.rs b/src/ipv6.rs
index 21ea4ae..e5667bb 100644
--- a/src/ipv6.rs
+++ b/src/ipv6.rs
@@ -1,11 +1,6 @@
-use std::cmp;
-use std::fmt;
-use std::net::Ipv6Addr;
-use std::str::FromStr;
-
-use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
-
 use crate::common::{cidr_parts, parse_prefix, IpNetworkError};
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use std::{cmp, fmt, net::Ipv6Addr, str::FromStr};
 
 const IPV6_BITS: u8 = 128;
 const IPV6_SEGMENT_BITS: u8 = 16;
diff --git a/src/lib.rs b/src/lib.rs
index fecff4f..9910edf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,19 +6,13 @@
 #![crate_type = "lib"]
 #![doc(html_root_url = "https://docs.rs/ipnetwork/0.14.0")]
 
-
-
-use std::fmt;
-use std::net::IpAddr;
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use std::{fmt, net::IpAddr, str::FromStr};
 
 mod common;
 mod ipv4;
 mod ipv6;
 
-use std::str::FromStr;
-
-use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
-
 pub use crate::common::IpNetworkError;
 pub use crate::ipv4::{ipv4_mask_to_prefix, Ipv4Network};
 pub use crate::ipv6::{ipv6_mask_to_prefix, Ipv6Network};
diff --git a/tests/test_json.rs b/tests/test_json.rs
index 7dd2ec9..aaf511e 100644
--- a/tests/test_json.rs
+++ b/tests/test_json.rs
@@ -1,16 +1,7 @@
-
-
-
-
-#[macro_use]
-extern crate serde_derive;
-
-
-
 #[cfg(test)]
 mod tests {
-
     use ipnetwork::{IpNetwork, Ipv4Network, Ipv6Network};
+    use serde_derive::{Deserialize, Serialize};
     use std::net::{Ipv4Addr, Ipv6Addr};
 
     #[test]