diff --git a/src/day_2_2.rs b/src/day_2_2.rs
index 5502f5f..d624738 100644
--- a/src/day_2_2.rs
+++ b/src/day_2_2.rs
@@ -1,4 +1,3 @@
-use std::collections::HashMap;
 use std::fs;
 
 pub fn is_safe(level : &Vec<i32>, skip_i : usize) -> bool