diff --git a/aoc2019/src/day06.rs b/aoc2019/src/day06.rs
index f3a51d4..3d18bba 100644
--- a/aoc2019/src/day06.rs
+++ b/aoc2019/src/day06.rs
@@ -66,7 +66,7 @@ fn part2(input: &str) -> Result<usize> {
         })
         .collect::<Result<HashMap<String, String>>>()?;
 
-    let succ = |key: &String| orbits.get(key).map(|val| val.clone());
+    let succ = |key: &String| orbits.get(key).cloned();
 
     let you_path = iter::successors(Some("YOU".to_string()), succ).collect::<HashSet<_>>();
     let santa_path = iter::successors(Some("SAN".to_string()), succ).collect::<HashSet<_>>();