diff --git a/benches/physis_benchmark.rs b/benches/physis_benchmark.rs
index 4aa6e99..73939e5 100755
--- a/benches/physis_benchmark.rs
+++ b/benches/physis_benchmark.rs
@@ -1,5 +1,5 @@
 use std::env;
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use criterion::{criterion_group, criterion_main, Criterion};
 use physis::sqpack::calculate_hash;
 
 fn reload_repos() {