diff --git a/src/bin/day12.rs b/src/bin/day12.rs
index 2e11548..37ea802 100644
--- a/src/bin/day12.rs
+++ b/src/bin/day12.rs
@@ -13,7 +13,6 @@ type Output2 = Output1;
 struct Row {
     map: VecDeque<char>,
     damaged: VecDeque<usize>,
-    // cache: HashMap<(usize, usize, bool), usize>,
 }
 
 impl FromStr for Row {
@@ -103,7 +102,6 @@ impl Row {
         Row {
             map: VecDeque::from(map),
             damaged: VecDeque::from(damaged),
-            // cache: HashMap::new(),
         }
     }