diff --git a/day05.rs b/day05.rs
index 73eec9e..c8c7186 100644
--- a/day05.rs
+++ b/day05.rs
@@ -1,6 +1,3 @@
-use std::collections::HashSet;
-use std::io::{self, BufRead};
-
 fn parse_map(lines: &mut std::str::Lines<'_>) -> Vec<(u64, u64, u64)> {
     let mut map = Vec::new();
 
@@ -33,7 +30,7 @@ fn transform_ranges(map: &[(u64, u64, u64)], ranges: &[(u64, u64)]) -> Vec<(u64,
     for (start, length) in ranges {
         let (dst_start, src_start, len) = map
             .iter()
-            .find(|(dst, src, len)| src <= start && *start < (src + len))
+            .find(|(_dst, src, len)| src <= start && *start < (src + len))
             .unwrap_or(&(0u64, 0u64, u64::MAX));
 
         let end = start + length;
@@ -52,12 +49,12 @@ fn transform_ranges(map: &[(u64, u64, u64)], ranges: &[(u64, u64)]) -> Vec<(u64,
 
 fn do_the_thing(maps: &Vec<Vec<(u64, u64, u64)>>, mut ranges: Vec<(u64, u64)>) -> u64 {
     for map in maps {
-        ranges = transform_ranges(&map, &ranges);
+        ranges = transform_ranges(map, &ranges);
     }
     ranges.iter().min().unwrap().0
 }
 
-fn main() -> io::Result<()> {
+fn main() {
     let mut lines = include_str!("day05.in").lines();
 
     let line = lines.next().unwrap();
@@ -78,6 +75,4 @@ fn main() -> io::Result<()> {
         seeds.chunks(2).map(|chunk| (chunk[0], chunk[1])).collect(),
     );
     dbg!(part1, part2);
-
-    Ok(())
 }