diff --git a/src/solutions/day_09.rs b/src/solutions/day_09.rs
index 76f3d93..04a5e5e 100644
--- a/src/solutions/day_09.rs
+++ b/src/solutions/day_09.rs
@@ -1,5 +1,3 @@
-use itertools::Itertools;
-
 use crate::common::{Answer, Solution};
 
 pub struct Day09;