diff --git a/src/rank/criterion/words_proximity.rs b/src/rank/criterion/words_proximity.rs
index b5d98e147..614d8f7ff 100644
--- a/src/rank/criterion/words_proximity.rs
+++ b/src/rank/criterion/words_proximity.rs
@@ -137,42 +137,3 @@ mod tests {
         assert_eq!(matches_proximity(query_index, attribute, word_index), 3);
     }
 }
-
-#[cfg(all(feature = "nightly", test))]
-mod bench {
-    extern crate test;
-
-    use super::*;
-    use std::error::Error;
-    use self::test::Bencher;
-
-    use rand_xorshift::XorShiftRng;
-    use rand::{Rng, SeedableRng};
-
-    use crate::Attribute;
-
-    #[bench]
-    fn evaluate_proximity(bench: &mut Bencher) -> Result<(), Box<Error>> {
-        let number_matches = 30_000;
-        let mut matches = Vec::with_capacity(number_matches);
-        let mut rng = XorShiftRng::seed_from_u64(42);
-
-        for _ in 0..number_matches {
-            let query_index = rng.gen_range(0, 4);
-
-            let attribute = rng.gen_range(0, 5);
-            let word_index = rng.gen_range(0, 15);
-            let attribute = Attribute::new_faillible(attribute, word_index);
-
-            let match_ = Match { query_index, attribute, ..Match::zero() };
-            matches.push(match_);
-        }
-
-        bench.iter(|| {
-            let proximity = matches_proximity(&matches);
-            test::black_box(move || proximity)
-        });
-
-        Ok(())
-    }
-}