diff --git a/src/day10.rs b/src/day10.rs
index cbd3f49..5799885 100644
--- a/src/day10.rs
+++ b/src/day10.rs
@@ -50,10 +50,9 @@ pub fn run() -> Result<(usize, usize)> {
     let answers = utils::read_i64s("data/output-10.txt")?;
 
     // add the adapters on either end of the sequence and sort
-    let max = data.iter().max().unwrap().clone();
     data.push(0); // add the (0) adapter at my seat
-    data.push(max + 3); // add the (max in the list + 3) adapter in my device
     data.sort_unstable(); // paths are always sorted
+    data.push(data.last().unwrap() + 3); // add the (max in the list + 3) adapter in my device
 
     // create a vec of the diffs from data[i] to data[i+1]
     let diffs: Vec<i64> = data
diff --git a/src/day11.rs b/src/day11.rs
index 8b10737..ba214c9 100644
--- a/src/day11.rs
+++ b/src/day11.rs
@@ -82,9 +82,9 @@ fn compute_advanced_adjacency(map: &Vec<Vec<Location>>) -> Vec<Vec<Vec<(usize, u
                             let dir = d.clone();
                             search_direction_for_chair(map, (i, j), &dir)
                         })
-                        .collect::<Vec<(usize, usize)>>()
+                        .collect()
                 })
-                .collect::<Vec<Vec<(usize, usize)>>>()
+                .collect()
         })
         .collect::<Vec<Vec<Vec<(usize, usize)>>>>()
 }