diff --git a/api/src/remote.rs b/api/src/remote.rs
index 4ca4f33..16e1ec4 100644
--- a/api/src/remote.rs
+++ b/api/src/remote.rs
@@ -74,7 +74,7 @@ impl RemoteCandidate {
     pub fn versions(&self) -> &Vec<RemoteVersion> {
         &self.versions
     }
-    pub fn with_versions(&mut self, versions: &Vec<RemoteVersion>) -> &mut Self {
+    pub fn with_versions(&mut self, versions: &[RemoteVersion]) -> &mut Self {
         self.versions = versions.to_vec();
         self
     }
@@ -106,7 +106,7 @@ impl RemoteVersion {
     fn get_status_and_usage(
         &self,
         local_versions: &HashMap<String, bool>,
-        version: &String,
+        version: &str,
     ) -> (&str, &str) {
         (
             if local_versions.contains_key(version) {
@@ -128,7 +128,7 @@ impl FromStr for RemoteVersion {
 
     fn from_str(input: &str) -> Result<Self, Self::Err> {
         if input.contains(" | ") {
-            let parts: Vec<&str> = input.split_terminator("|").map(|s| s.trim()).collect();
+            let parts: Vec<&str> = input.split_terminator('|').map(|s| s.trim()).collect();
             Ok(RemoteVersion::JavaVersion(
                 util::string_at(&parts, 0),
                 util::string_at(&parts, 1),
@@ -163,8 +163,7 @@ impl FromStr for RemoteCandidate {
         let mut homepage = String::new();
         let mut default_version = String::new();
 
-        let mut lines = input.lines();
-        while let Some(line) = lines.next() {
+        for line in input.lines() {
             if line.is_empty() {
                 continue;
             } else if URI_REGEX.is_match(line) {
@@ -187,7 +186,7 @@ impl FromStr for RemoteCandidate {
                 binary_name.push_str(line.split_whitespace().last().unwrap());
             } else {
                 description.push_str(line);
-                description.push_str(" ");
+                description.push(' ');
             }
         }
 
@@ -245,13 +244,13 @@ pub fn fetch_remote_candidates() -> Result<Vec<RemoteCandidate>, SdkmanApiError>
     let url = prepare_url(Endpoint::CandidateList)?;
     let res = reqwest::blocking::get(url)?;
     let status: StatusCode = res.status();
-    return if status.is_success() {
+    if status.is_success() {
         res.text()
-            .map(|text| parse_candidates(text))
-            .map_err(|err| SdkmanApiError::RequestFailed(err))
+            .map(parse_candidates)
+            .map_err(SdkmanApiError::RequestFailed)
     } else {
         Err(SdkmanApiError::ServerError(status.as_u16()))
-    };
+    }
 }
 
 pub fn fetch_candidate_versions(
@@ -262,13 +261,13 @@ pub fn fetch_candidate_versions(
     ))?;
     let res = reqwest::blocking::get(url)?;
     let status: StatusCode = res.status();
-    return if status.is_success() {
+    if status.is_success() {
         res.text()
             .map(move |text| &*remote_candidate.with_versions(&parse_available_versions(&text)))
-            .map_err(|err| SdkmanApiError::RequestFailed(err))
+            .map_err(SdkmanApiError::RequestFailed)
     } else {
         Err(SdkmanApiError::ServerError(status.as_u16()))
-    };
+    }
 }
 
 fn prepare_url(endpoint: Endpoint) -> Result<String, SdkmanApiError> {
@@ -292,7 +291,7 @@ fn parse_candidates(input: String) -> Vec<RemoteCandidate> {
         .collect()
 }
 
-fn parse_available_versions(input: &String) -> Vec<RemoteVersion> {
+fn parse_available_versions(input: &str) -> Vec<RemoteVersion> {
     if input.contains("Available Java Versions") {
         parse_available_java_versions(input)
     } else {
@@ -310,7 +309,7 @@ fn parse_available_versions(input: &String) -> Vec<RemoteVersion> {
     }
 }
 
-fn parse_available_java_versions(input: &String) -> Vec<RemoteVersion> {
+fn parse_available_java_versions(input: &str) -> Vec<RemoteVersion> {
     input
         .lines()
         .skip(5)
diff --git a/api/src/util.rs b/api/src/util.rs
index 992eb1d..f6b18c7 100644
--- a/api/src/util.rs
+++ b/api/src/util.rs
@@ -1,6 +1,6 @@
 use std::str::FromStr;
 
-pub fn string_at(parts: &Vec<&str>, index: usize) -> String {
+pub fn string_at(parts: &[&str], index: usize) -> String {
     parts
         .get(index)
         .map(|p| String::from_str(p).unwrap_or_default())
diff --git a/ui/src/candidates.rs b/ui/src/candidates.rs
index 1edf8e8..3b3823a 100644
--- a/ui/src/candidates.rs
+++ b/ui/src/candidates.rs
@@ -91,16 +91,17 @@ impl Default for SdkmanApp {
 
 impl SdkmanApp {
     pub fn new(
-        remote_candidates: &Vec<RemoteCandidate>,
-        local_candidates: &Vec<LocalCandidate>,
+        remote_candidates: &[RemoteCandidate],
+        local_candidates: &[LocalCandidate],
     ) -> SdkmanApp {
-        let mut app = SdkmanApp::default();
-        app.candidates = remote_candidates
-            .iter()
-            .map(|remote_candidate| Candidate::from_model(remote_candidate))
-            .collect();
-        app.local_candidates = local_candidates.to_vec();
-        app
+        SdkmanApp {
+            candidates: remote_candidates
+                .iter()
+                .map(|remote_candidate| Candidate::from_model(remote_candidate))
+                .collect(),
+            local_candidates: local_candidates.to_vec(),
+            ..Default::default()
+        }
     }
 
     pub fn app_name(&self) -> &str {
@@ -232,7 +233,7 @@ impl SdkmanApp {
                                         .to_string(),
                                 )
                             })
-                            .map(|c| c.clone())
+                            .cloned()
                             .collect();
                         *selected_candidate = None;
                     }
@@ -242,7 +243,7 @@ impl SdkmanApp {
         });
     }
 
-    fn render_error(ctx: &CtxRef, message: &String) {
+    fn render_error(ctx: &CtxRef, message: &str) {
         Window::new("Search").show(ctx, |ui| {
             ui.add_space(PADDING);
             ui.label(message);
@@ -495,7 +496,7 @@ impl SdkmanApp {
 
     fn render_search_dialog(
         ctx: &CtxRef,
-        candidates: &Vec<Candidate>,
+        candidates: &[Candidate],
         selected_candidate: &mut Option<Candidate>,
         candidate_search_dialog: &mut bool,
         candidate_search_term: &mut String,
@@ -508,7 +509,7 @@ impl SdkmanApp {
                 ui.with_layout(Layout::left_to_right(), |ui| {
                     let text_input = ui.text_edit_singleline(candidate_search_term);
                     if text_input.lost_focus() && ui.input().key_pressed(Key::Enter) {
-                        match candidates.into_iter().find(|candidate| {
+                        match candidates.iter().find(|candidate| {
                             candidate.name == *candidate_search_term
                                 || candidate
                                     .installation_instruction
diff --git a/ui/src/main.rs b/ui/src/main.rs
index 4ef0f4f..8220381 100644
--- a/ui/src/main.rs
+++ b/ui/src/main.rs
@@ -67,8 +67,10 @@ fn main() {
         ) {
             (Ok(remote_candidates), Ok(local_candidates)) => {
                 let app = SdkmanApp::new(&remote_candidates, &local_candidates);
-                let mut win_option = NativeOptions::default();
-                win_option.initial_window_size = Some(Vec2::new(1024., 960.));
+                let win_option = NativeOptions {
+                    initial_window_size: Some(Vec2::new(1024., 960.)),
+                    ..Default::default()
+                };
                 run_native(Box::new(app), win_option);
             }
             (Err(_), _) => {