diff --git a/benches/kurtosis.rs b/benches/kurtosis.rs
index 3796729..80e1f75 100644
--- a/benches/kurtosis.rs
+++ b/benches/kurtosis.rs
@@ -1,18 +1,12 @@
 #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, map_clone))]
 
-#[macro_use] extern crate bencher;
-
-use rand_xoshiro;
-
-use average;
-
-use bencher::Bencher;
+use bencher::{Bencher, benchmark_group, benchmark_main};
 
 /// Create a random vector by sampling from a normal distribution.
 fn initialize_vec() -> Vec<f64> {
-    use rand::distributions::{Normal, Distribution};
+    use rand_distr::{Normal, Distribution};
     use rand::SeedableRng;
-    let normal = Normal::new(2.0, 3.0);
+    let normal = Normal::new(2.0, 3.0).unwrap();
     let n = 1_000_000;
     let mut values = Vec::with_capacity(n);
     let mut rng = rand_xoshiro::Xoshiro256StarStar::from_seed(
diff --git a/benches/mean.rs b/benches/mean.rs
index dc21c32..f50155f 100644
--- a/benches/mean.rs
+++ b/benches/mean.rs
@@ -1,19 +1,12 @@
 #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, map_clone))]
 
-#[macro_use] extern crate bencher;
-
-use rand_xoshiro;
-
-use average;
-use stats;
-
-use bencher::Bencher;
+use bencher::{Bencher, benchmark_group, benchmark_main};
 
 /// Create a random vector by sampling from a normal distribution.
 fn initialize_vec() -> Vec<f64> {
-    use rand::distributions::{Normal, Distribution};
+    use rand_distr::{Normal, Distribution};
     use rand::SeedableRng;
-    let normal = Normal::new(2.0, 3.0);
+    let normal = Normal::new(2.0, 3.0).unwrap();
     let n = 1_000_000;
     let mut values = Vec::with_capacity(n);
     let mut rng = rand_xoshiro::Xoshiro256StarStar::from_seed(
diff --git a/benches/min.rs b/benches/min.rs
index 76b7b3a..9f24606 100644
--- a/benches/min.rs
+++ b/benches/min.rs
@@ -1,17 +1,10 @@
 #![cfg_attr(feature = "cargo-clippy", allow(float_cmp, map_clone))]
 
-#[macro_use] extern crate bencher;
-
-use rand_xoshiro;
-
-use average;
-
-
-use bencher::Bencher;
+use bencher::{Bencher, benchmark_group, benchmark_main};
 
 /// Create a random vector of random floats in [0, 1].
 fn initialize_vec() -> Vec<f64> {
-    use rand::distributions::{Uniform, Distribution};
+    use rand_distr::{Uniform, Distribution};
     use rand::SeedableRng;
     let range = Uniform::new(0.0, 1.0);
     let n = 1_000_000;