diff --git a/src/gui.rs b/src/gui.rs
index e57b235..46c0de7 100644
--- a/src/gui.rs
+++ b/src/gui.rs
@@ -17,9 +17,8 @@ use std::f32::consts::PI;
 
 use crate::Polymusic;
 
-pub fn music_view(app: &Polymusic) -> iced::Element<Message> {
+pub fn music_view(app: &Polymusic) -> iced::Element<'_, Message> {
     let mut i = 0;
-    let entries = app.all_sounds.clone();
     //Create all polygon options
     let polygon_rows: Vec<Element<Message>> = app
         .music
@@ -202,7 +201,7 @@ pub fn music_view(app: &Polymusic) -> iced::Element<Message> {
     .into()
 }
 
-pub fn load_file_view(app: &Polymusic) -> iced::Element<Message> {
+pub fn load_file_view() -> iced::Element<'static, Message> {
     Container::new(
         column![
             text("Polymusic").size(42),
diff --git a/src/main.rs b/src/main.rs
index 2380e21..0014ab2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -75,7 +75,6 @@ struct Polymusic {
     time_last_frame: Instant,
     paused: bool,
     audio_manager: AudioManager,
-    all_sounds: Vec<String>,
     all_saves: Vec<String>,
     current_delta: f32,
     str_music_length: String,
@@ -97,7 +96,6 @@ impl Polymusic {
                 time_last_frame: Instant::now(),
                 audio_manager: manager,
                 paused: true,
-                all_sounds: load_path_sounds(),
                 all_saves: load_path_saves(),
                 music: Music::default(),
                 current_delta: 0.0,
@@ -178,29 +176,26 @@ impl Polymusic {
                     .add_filter("Audio Files", &["mp3", "wav", "ogg"])
                     .set_directory("./")
                     .pick_file();
-                match file {
-                    Some(s) => {
-                        let root_path = PathBuf::from(&self.root);
-                        let relative_path = diff_paths(&s, &root_path)
-                            .expect("Impossible de calculer le chemin relatif");
-                        let path_string = relative_path.to_string_lossy().into_owned();
-                        let sound = StaticSoundData::from_file(format!(
-                            "{0}/{1}",
-                            self.root,
-                            path_string.clone()
-                        ))
-                        .expect("Fail to load audio");
-                        let old_sound =
-                            self.music
-                                .set_sound(self.current_delta, i, sound, path_string.clone());
-                        self.already_save = false;
-                        self.historic.add(
-                            Message::ReChangeSound(i, old_sound),
-                            Message::ReChangeSound(i, path_string),
-                            self.current_delta,
-                        );
-                    }
-                    none => eprintln!("fail to load file"),
+                if let Some(s) = file {
+                    let root_path = PathBuf::from(&self.root);
+                    let relative_path = diff_paths(&s, &root_path)
+                        .expect("Impossible de calculer le chemin relatif");
+                    let path_string = relative_path.to_string_lossy().into_owned();
+                    let sound = StaticSoundData::from_file(format!(
+                        "{0}/{1}",
+                        self.root,
+                        path_string.clone()
+                    ))
+                    .expect("Fail to load audio");
+                    let old_sound =
+                        self.music
+                            .set_sound(self.current_delta, i, sound, path_string.clone());
+                    self.already_save = false;
+                    self.historic.add(
+                        Message::ReChangeSound(i, old_sound),
+                        Message::ReChangeSound(i, path_string),
+                        self.current_delta,
+                    );
                 }
             }
             Message::Save => {
@@ -422,11 +417,11 @@ impl Polymusic {
         }
     }
 
-    fn view(&self) -> iced::Element<Message> {
+    fn view(&self) -> iced::Element<'_, Message> {
         if !self.mode_file_load {
             music_view(self)
         } else {
-            load_file_view(self)
+            load_file_view()
         }
     }
 
@@ -501,16 +496,6 @@ impl Polymusic {
     }
 }
 
-fn load_path_sounds() -> Vec<String> {
-    let mut entries: Vec<String> = fs::read_dir("./assets")
-        .unwrap()
-        .filter_map(|res| res.ok())
-        .map(|e| e.path().file_name().unwrap().to_str().unwrap().to_string())
-        .collect();
-    entries.sort();
-    entries
-}
-
 fn load_path_saves() -> Vec<String> {
     fs::create_dir_all("./saves").expect("fail to creat 'saves' !");
     let mut saves: Vec<String> = fs::read_dir("./saves")
diff --git a/src/polygon_draw.rs b/src/polygon_draw.rs
index 9492888..997a9a0 100644
--- a/src/polygon_draw.rs
+++ b/src/polygon_draw.rs
@@ -1,4 +1,3 @@
-use crate::utils::string_to_color;
 
 use crate::color::color_serde;
 use std::f32::consts::PI;
diff --git a/src/utils.rs b/src/utils.rs
index 137571c..cdddc7b 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,5 +1,4 @@
 use crate::Polygon;
-use iced::Color;
 use kira::sound::static_sound::StaticSoundData;
 use regex::Regex;
 
@@ -7,16 +6,6 @@ pub fn is_delta_format_valid(str: &str) -> bool {
     let re = Regex::new(r"^\d{1,2}:\d{1,2}:\d{1,2}$").unwrap();
     re.is_match(str)
 }
-pub fn string_to_color<S: AsRef<str>>(s: S) -> Color {
-    match s.as_ref() {
-        "Green" => Color::from_rgb(0.0, 1.0, 0.0),
-        "Blue" => Color::from_rgb(0.0, 0.0, 1.0),
-        "Cyan" => Color::from_rgb(0.0, 1.0, 1.0),
-        "Yellow" => Color::from_rgb(1.0, 1.0, 0.0),
-        "Pink" => Color::from_rgb(1.0, 0.0, 1.0),
-        _ => Color::BLACK,
-    }
-}
 
 pub fn delta_to_string(delta: f32) -> String {
     let time = [