diff --git a/src/day01.rs b/src/day01.rs
index 00ffc9a..af497b9 100644
--- a/src/day01.rs
+++ b/src/day01.rs
@@ -3,7 +3,7 @@ pub struct Day01(Vec<i32>);
 
 impl crate::day::Day for Day01 {
     fn init(f: String) -> Self {
-        let v = f.split('\n').map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
+        let v = f.lines().map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
         Self(v)
     }
 
diff --git a/src/day02.rs b/src/day02.rs
index c1a5c66..4c656d0 100644
--- a/src/day02.rs
+++ b/src/day02.rs
@@ -10,7 +10,7 @@ enum Instruction {
 
 impl Day for Day02 {
     fn init(content: String) -> Self {
-        let lines = content.split("\n").map(str_to_instr).collect::<Vec<Instruction>>();
+        let lines = content.lines().map(str_to_instr).collect::<Vec<Instruction>>();
         Day02(lines)
     }
 
@@ -100,6 +100,6 @@ forward 2";
     #[should_panic]
     fn very_invalid_input(){
         let f = String::from("invalid 10");
-        let d = Day02::init(f);
+        Day02::init(f);
     }
 }
\ No newline at end of file