diff --git a/src/day1.rs b/src/day1.rs
index 3ea16c7..f82dcfc 100644
--- a/src/day1.rs
+++ b/src/day1.rs
@@ -1,6 +1,4 @@
 use aoc_runner_derive::aoc;
-use std::io::{BufRead, BufReader, Lines};
-use std::time::{Duration, Instant};
 
 // PROBLEM 1 solution
 #[aoc(day1, part1)]
@@ -16,7 +14,7 @@ pub fn part1(input: &str) -> u64 {
         let add_val = match sign.as_bytes()[0] {
             b'R' => num_val,
             b'L' => mod_val - (num_val % mod_val),
-            c => panic!("Invalid direction {}", c),
+            c => panic!("Invalid direction {c}"),
         };
         val = (val + add_val) % mod_val;
         if val == 0 {
@@ -65,7 +63,7 @@ pub fn part2(input: &str) -> i64 {
         let (new_val, add_pass) = match sign.as_bytes()[0] {
             b'R' => advance::<100>(val, num_val),
             b'L' => advance::<100>(val, -num_val),
-            c => panic!("Invalid direction {}", c),
+            c => panic!("Invalid direction {c}"),
         };
         val = new_val;
         pass += add_pass;
@@ -77,7 +75,7 @@ pub fn part2(input: &str) -> i64 {
 mod tests {
     use crate::day1::*;
 
-    const EXAMPLE: &str = &"L68
+    const EXAMPLE: &str = "L68
     L30
     R48
     L5
diff --git a/src/day2.rs b/src/day2.rs
index b3510d7..75ce09f 100644
--- a/src/day2.rs
+++ b/src/day2.rs
@@ -1,6 +1,5 @@
 use aoc_runner_derive::{aoc, aoc_generator};
 use itertools::Itertools;
-use std::cmp::{max, min};
 use std::ops::RangeInclusive;
 
 #[aoc_generator(day2)]
diff --git a/src/lib.rs b/src/lib.rs
index ce5ab10..a228b5c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,5 @@
+mod day1;
 mod day2;
-pub mod day1;
 
 use aoc_runner_derive::aoc_lib;
 
diff --git a/utils/grid/lib.rs b/utils/grid/lib.rs
index ba73c4f..67f810c 100644
--- a/utils/grid/lib.rs
+++ b/utils/grid/lib.rs
@@ -321,7 +321,13 @@ impl<T: Clone + Eq + PartialEq + Debug> Grid<T> {
             self.data
                 .iter()
                 .enumerate()
-                .find_map(|(pos, val)| if val == haystack { Some(pos as i64) } else { None })
+                .find_map(|(pos, val)| {
+                    if val == haystack {
+                        Some(pos as i64)
+                    } else {
+                        None
+                    }
+                })
                 .unwrap_or(-1),
         )
     }
@@ -330,7 +336,10 @@ impl<T: Clone + Eq + PartialEq + Debug> Grid<T> {
     }
 
     pub fn forward_slice<C: AsCoord2d>(&self, start: &C, len: i64) -> Option<&[T]> {
-        let pos = (self.valid_pos(start), self.valid_pos(&(start.x() + len - 1, start.y())));
+        let pos = (
+            self.valid_pos(start),
+            self.valid_pos(&(start.x() + len - 1, start.y())),
+        );
         match pos {
             (Some(pos1), Some(pos2)) => Some(&self.data[pos1..pos2 + 1]),
             _ => None,
@@ -406,7 +415,10 @@ impl Display for Grid<u8> {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         for y in 0..self.height() {
             for x in 0..self.width() {
-                f.write_fmt(format_args!("{}", *self.get(&(x as i64, y as i64)).unwrap() as char))?;
+                f.write_fmt(format_args!(
+                    "{}",
+                    *self.get(&(x as i64, y as i64)).unwrap() as char
+                ))?;
             }
             f.write_char('\n')?;
         }