diff --git a/crunchy-cli-core/src/archive/command.rs b/crunchy-cli-core/src/archive/command.rs
index 7add620..3585e9c 100644
--- a/crunchy-cli-core/src/archive/command.rs
+++ b/crunchy-cli-core/src/archive/command.rs
@@ -306,8 +306,8 @@ async fn get_format(
         }
         MergeBehavior::Audio => download_formats.push(DownloadFormat {
             video: (
-                (*format_pairs.first().unwrap()).1.clone(),
-                (*format_pairs.first().unwrap()).0.audio.clone(),
+                format_pairs.first().unwrap().1.clone(),
+                format_pairs.first().unwrap().0.audio.clone(),
             ),
             audios: format_pairs
                 .iter()
diff --git a/crunchy-cli-core/src/archive/filter.rs b/crunchy-cli-core/src/archive/filter.rs
index a4e3188..01612b9 100644
--- a/crunchy-cli-core/src/archive/filter.rs
+++ b/crunchy-cli-core/src/archive/filter.rs
@@ -103,7 +103,7 @@ impl Filter for ArchiveFilter {
         seasons.retain(|s| !remove_ids.contains(&s.id));
 
         let duplicated_seasons = get_duplicated_seasons(&seasons);
-        if duplicated_seasons.len() > 0 {
+        if !duplicated_seasons.is_empty() {
             if self.interactive_input {
                 check_for_duplicated_seasons(&mut seasons);
             } else {
@@ -139,8 +139,7 @@ impl Filter for ArchiveFilter {
         if !matches!(self.visited, Visited::Series) {
             let mut audio_locales: Vec<Locale> = seasons
                 .iter()
-                .map(|s| s.audio_locales.clone())
-                .flatten()
+                .flat_map(|s| s.audio_locales.clone())
                 .collect();
             real_dedup_vec(&mut audio_locales);
             let missing_audio = missing_locales(&audio_locales, &self.archive.audio);
@@ -158,8 +157,7 @@ impl Filter for ArchiveFilter {
 
             let subtitle_locales: Vec<Locale> = seasons
                 .iter()
-                .map(|s| s.subtitle_locales.clone())
-                .flatten()
+                .flat_map(|s| s.subtitle_locales.clone())
                 .collect();
             let missing_subtitle = missing_locales(&subtitle_locales, &self.archive.subtitle);
             if !missing_subtitle.is_empty() {
@@ -211,7 +209,7 @@ impl Filter for ArchiveFilter {
                 }
             }
             if eps.len() < before_len {
-                if eps.len() == 0 {
+                if eps.is_empty() {
                     if matches!(self.visited, Visited::Series) {
                         warn!(
                             "Season {} is not available with {} audio",
@@ -237,7 +235,7 @@ impl Filter for ArchiveFilter {
             for episode in episodes.iter() {
                 self.season_episodes
                     .entry(episode.season_id.clone())
-                    .or_insert(vec![])
+                    .or_default()
                     .push(episode.clone())
             }
         }
@@ -290,7 +288,7 @@ impl Filter for ArchiveFilter {
             }
 
             let mut subtitle_locales: Vec<Locale> =
-                episodes.iter().map(|(_, s)| s.clone()).flatten().collect();
+                episodes.iter().flat_map(|(_, s)| s.clone()).collect();
             real_dedup_vec(&mut subtitle_locales);
             let missing_subtitles = missing_locales(&subtitle_locales, &self.archive.subtitle);
             if !missing_subtitles.is_empty()
@@ -435,6 +433,6 @@ impl Filter for ArchiveFilter {
     }
 }
 
-fn missing_locales<'a>(available: &Vec<Locale>, searched: &'a Vec<Locale>) -> Vec<&'a Locale> {
+fn missing_locales<'a>(available: &[Locale], searched: &'a [Locale]) -> Vec<&'a Locale> {
     searched.iter().filter(|p| !available.contains(p)).collect()
 }
diff --git a/crunchy-cli-core/src/download/command.rs b/crunchy-cli-core/src/download/command.rs
index 4f189c5..82cb8f8 100644
--- a/crunchy-cli-core/src/download/command.rs
+++ b/crunchy-cli-core/src/download/command.rs
@@ -251,7 +251,7 @@ async fn get_format(
     };
 
     let subtitle = if let Some(subtitle_locale) = &download.subtitle {
-        stream.subtitles.get(subtitle_locale).map(|s| s.clone())
+        stream.subtitles.get(subtitle_locale).cloned()
     } else {
         None
     };
diff --git a/crunchy-cli-core/src/download/filter.rs b/crunchy-cli-core/src/download/filter.rs
index 626896c..fb2e563 100644
--- a/crunchy-cli-core/src/download/filter.rs
+++ b/crunchy-cli-core/src/download/filter.rs
@@ -45,14 +45,13 @@ impl Filter for DownloadFilter {
     async fn visit_series(&mut self, series: Series) -> Result<Vec<Season>> {
         // `series.audio_locales` isn't always populated b/c of crunchyrolls api. so check if the
         // audio is matching only if the field is populated
-        if !series.audio_locales.is_empty() {
-            if !series.audio_locales.contains(&self.download.audio) {
-                error!(
-                    "Series {} is not available with {} audio",
-                    series.title, self.download.audio
-                );
-                return Ok(vec![]);
-            }
+        if !series.audio_locales.is_empty() && !series.audio_locales.contains(&self.download.audio)
+        {
+            error!(
+                "Series {} is not available with {} audio",
+                series.title, self.download.audio
+            );
+            return Ok(vec![]);
         }
 
         let mut seasons = vec![];
@@ -91,7 +90,7 @@ impl Filter for DownloadFilter {
         }
 
         let duplicated_seasons = get_duplicated_seasons(&seasons);
-        if duplicated_seasons.len() > 0 {
+        if !duplicated_seasons.is_empty() {
             if self.interactive_input {
                 check_for_duplicated_seasons(&mut seasons);
             } else {
@@ -118,7 +117,7 @@ impl Filter for DownloadFilter {
             for episode in episodes.iter() {
                 self.season_episodes
                     .entry(episode.season_number)
-                    .or_insert(vec![])
+                    .or_default()
                     .push(episode.clone())
             }
         }
diff --git a/crunchy-cli-core/src/lib.rs b/crunchy-cli-core/src/lib.rs
index 02bef6f..d6c2220 100644
--- a/crunchy-cli-core/src/lib.rs
+++ b/crunchy-cli-core/src/lib.rs
@@ -77,7 +77,7 @@ fn version() -> String {
     let build_date = env!("BUILD_DATE");
 
     if git_commit_hash.is_empty() {
-        format!("{}", package_version)
+        package_version.to_string()
     } else {
         format!("{} ({} {})", package_version, git_commit_hash, build_date)
     }
@@ -250,7 +250,7 @@ async fn crunchyroll_session(cli: &mut Cli) -> Result<Crunchyroll> {
                 "Via `--lang` specified language is not supported. Supported languages: {}",
                 supported_langs
                     .iter()
-                    .map(|l| format!("`{}` ({})", l.to_string(), l.to_human_readable()))
+                    .map(|l| format!("`{}` ({})", l, l.to_human_readable()))
                     .collect::<Vec<String>>()
                     .join(", ")
             )
diff --git a/crunchy-cli-core/src/search/filter.rs b/crunchy-cli-core/src/search/filter.rs
index 264b31d..3bb6d9f 100644
--- a/crunchy-cli-core/src/search/filter.rs
+++ b/crunchy-cli-core/src/search/filter.rs
@@ -21,7 +21,7 @@ impl FilterOptions {
 
     pub fn filter_episodes(&self, mut episodes: Vec<Episode>) -> Vec<Episode> {
         episodes.retain(|e| {
-            self.check_audio_language(&vec![e.audio_locale.clone()])
+            self.check_audio_language(&[e.audio_locale.clone()])
                 && self
                     .url_filter
                     .is_episode_valid(e.sequence_number, e.season_number)
@@ -38,7 +38,7 @@ impl FilterOptions {
         )
     }
 
-    fn check_audio_language(&self, audio: &Vec<Locale>) -> bool {
+    fn check_audio_language(&self, audio: &[Locale]) -> bool {
         if !self.audio.is_empty() {
             return self.audio.iter().any(|a| audio.contains(a));
         }
diff --git a/crunchy-cli-core/src/search/format.rs b/crunchy-cli-core/src/search/format.rs
index 55cba7c..f9746b1 100644
--- a/crunchy-cli-core/src/search/format.rs
+++ b/crunchy-cli-core/src/search/format.rs
@@ -372,6 +372,7 @@ impl Format {
         let stream_empty = self.check_pattern_count_empty(Scope::Stream)
             && self.check_pattern_count_empty(Scope::Subtitle);
 
+        #[allow(clippy::type_complexity)]
         let mut tree: Vec<(Season, Vec<(Episode, Vec<Stream>)>)> = vec![];
 
         let series = if !series_empty {
diff --git a/crunchy-cli-core/src/utils/download.rs b/crunchy-cli-core/src/utils/download.rs
index 23d5863..945cc14 100644
--- a/crunchy-cli-core/src/utils/download.rs
+++ b/crunchy-cli-core/src/utils/download.rs
@@ -296,7 +296,7 @@ impl Downloader {
             ]);
             // the empty language metadata is created to avoid that metadata from the original track
             // is copied
-            metadata.extend([format!("-metadata:s:v:{}", i), format!("language=")])
+            metadata.extend([format!("-metadata:s:v:{}", i), "language=".to_string()])
         }
         for (i, meta) in audios.iter().enumerate() {
             input.extend(["-i".to_string(), meta.path.to_string_lossy().to_string()]);
@@ -675,7 +675,7 @@ impl Downloader {
 
                 let result = download().await;
                 if result.is_err() {
-                    after_download_sender.send((-1 as i32, vec![]))?;
+                    after_download_sender.send((-1, vec![]))?;
                 }
 
                 result
@@ -747,7 +747,7 @@ impl Downloader {
     }
 }
 
-fn estimate_variant_file_size(variant_data: &VariantData, segments: &Vec<VariantSegment>) -> u64 {
+fn estimate_variant_file_size(variant_data: &VariantData, segments: &[VariantSegment]) -> u64 {
     (variant_data.bandwidth / 8) * segments.iter().map(|s| s.length.as_secs()).sum::<u64>()
 }
 
@@ -788,9 +788,8 @@ pub fn get_video_length(path: &Path) -> Result<NaiveTime> {
 /// [crunchy-labs/crunchy-cli#208](https://github.com/crunchy-labs/crunchy-cli/issues/208) for more
 /// information.
 fn fix_subtitles(raw: &mut Vec<u8>, max_length: NaiveTime) {
-    let re =
-        Regex::new(r#"^Dialogue:\s\d+,(?P<start>\d+:\d+:\d+\.\d+),(?P<end>\d+:\d+:\d+\.\d+),"#)
-            .unwrap();
+    let re = Regex::new(r"^Dialogue:\s\d+,(?P<start>\d+:\d+:\d+\.\d+),(?P<end>\d+:\d+:\d+\.\d+),")
+        .unwrap();
 
     // chrono panics if we try to format NaiveTime with `%2f` and the nano seconds has more than 2
     // digits so them have to be reduced manually to avoid the panic
@@ -832,7 +831,7 @@ fn fix_subtitles(raw: &mut Vec<u8>, max_length: NaiveTime) {
                         line,
                         format!(
                             "Dialogue: {},{},",
-                            format_naive_time(start.clone()),
+                            format_naive_time(start),
                             &length_as_string
                         ),
                     )
diff --git a/crunchy-cli-core/src/utils/ffmpeg.rs b/crunchy-cli-core/src/utils/ffmpeg.rs
index af29bfd..787c79a 100644
--- a/crunchy-cli-core/src/utils/ffmpeg.rs
+++ b/crunchy-cli-core/src/utils/ffmpeg.rs
@@ -134,7 +134,7 @@ impl FFmpegPreset {
                 description_details.push(format!("{} video quality/compression", q.to_string()))
             }
 
-            let description = if description_details.len() == 0 {
+            let description = if description_details.is_empty() {
                 format!(
                     "{} encoded with default video quality/compression",
                     codec.to_string()
@@ -239,7 +239,7 @@ impl FFmpegPreset {
                 hwaccel.clone(),
                 quality.clone(),
             )) {
-                return Err(format!("ffmpeg preset is not supported"));
+                return Err("ffmpeg preset is not supported".to_string());
             }
             Ok(FFmpegPreset::Predefined(
                 c,
@@ -247,7 +247,7 @@ impl FFmpegPreset {
                 quality.unwrap_or(FFmpegQuality::Normal),
             ))
         } else {
-            Err(format!("cannot use ffmpeg preset with without a codec"))
+            Err("cannot use ffmpeg preset with without a codec".to_string())
         }
     }
 
diff --git a/crunchy-cli-core/src/utils/format.rs b/crunchy-cli-core/src/utils/format.rs
index 4afaa07..4c8d3c8 100644
--- a/crunchy-cli-core/src/utils/format.rs
+++ b/crunchy-cli-core/src/utils/format.rs
@@ -170,10 +170,7 @@ impl SingleFormat {
     }
 
     pub fn is_episode(&self) -> bool {
-        match self.source {
-            MediaCollection::Episode(_) => true,
-            _ => false,
-        }
+        matches!(self.source, MediaCollection::Episode(_))
     }
 }
 
@@ -181,7 +178,7 @@ struct SingleFormatCollectionEpisodeKey(f32);
 
 impl PartialOrd for SingleFormatCollectionEpisodeKey {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        self.0.partial_cmp(&other.0)
+        Some(self.cmp(other))
     }
 }
 impl Ord for SingleFormatCollectionEpisodeKey {
@@ -198,6 +195,7 @@ impl Eq for SingleFormatCollectionEpisodeKey {}
 
 struct SingleFormatCollectionSeasonKey((u32, String));
 
+#[allow(clippy::incorrect_partial_ord_impl_on_ord_type)]
 impl PartialOrd for SingleFormatCollectionSeasonKey {
     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
         let mut cmp = self.0 .0.partial_cmp(&other.0 .0);
@@ -250,7 +248,7 @@ impl SingleFormatCollection {
                 format.season_number,
                 format.season_id.clone(),
             )))
-            .or_insert(BTreeMap::new())
+            .or_default()
             .insert(
                 SingleFormatCollectionEpisodeKey(format.sequence_number),
                 single_formats,
@@ -340,6 +338,7 @@ pub struct Format {
 }
 
 impl Format {
+    #[allow(clippy::type_complexity)]
     pub fn from_single_formats(
         mut single_formats: Vec<(SingleFormat, VariantData, Vec<(Subtitle, bool)>)>,
     ) -> Self {
@@ -349,7 +348,7 @@ impl Format {
                 (
                     single_format.audio.clone(),
                     subtitles
-                        .into_iter()
+                        .iter()
                         .map(|(s, _)| s.locale.clone())
                         .collect::<Vec<Locale>>(),
                 )
@@ -440,7 +439,7 @@ impl Format {
         info!(
             "Downloading {} to {}",
             self.title,
-            if is_special_file(&dst) || dst.to_str().unwrap() == "-" {
+            if is_special_file(dst) || dst.to_str().unwrap() == "-" {
                 dst.to_string_lossy().to_string()
             } else {
                 format!("'{}'", dst.to_str().unwrap())
diff --git a/crunchy-cli-core/src/utils/locale.rs b/crunchy-cli-core/src/utils/locale.rs
index d749fcb..8651078 100644
--- a/crunchy-cli-core/src/utils/locale.rs
+++ b/crunchy-cli-core/src/utils/locale.rs
@@ -19,8 +19,7 @@ pub fn system_locale() -> Locale {
 pub fn all_locale_in_locales(locales: Vec<Locale>) -> Vec<Locale> {
     if locales
         .iter()
-        .find(|l| l.to_string().to_lowercase().trim() == "all")
-        .is_some()
+        .any(|l| l.to_string().to_lowercase().trim() == "all")
     {
         Locale::all()
     } else {
diff --git a/crunchy-cli-core/src/utils/log.rs b/crunchy-cli-core/src/utils/log.rs
index 6650e58..942c652 100644
--- a/crunchy-cli-core/src/utils/log.rs
+++ b/crunchy-cli-core/src/utils/log.rs
@@ -57,7 +57,6 @@ macro_rules! tab_info {
 }
 pub(crate) use tab_info;
 
-#[allow(clippy::type_complexity)]
 pub struct CliLogger {
     level: LevelFilter,
     progress: Mutex<Option<ProgressBar>>,
diff --git a/crunchy-cli-core/src/utils/os.rs b/crunchy-cli-core/src/utils/os.rs
index 0596789..977e968 100644
--- a/crunchy-cli-core/src/utils/os.rs
+++ b/crunchy-cli-core/src/utils/os.rs
@@ -24,7 +24,7 @@ pub fn has_ffmpeg() -> bool {
 /// Get the temp directory either by the specified `CRUNCHY_CLI_TEMP_DIR` env variable or the dir
 /// provided by the os.
 pub fn temp_directory() -> PathBuf {
-    env::var("CRUNCHY_CLI_TEMP_DIR").map_or(env::temp_dir(), |d| PathBuf::from(d))
+    env::var("CRUNCHY_CLI_TEMP_DIR").map_or(env::temp_dir(), PathBuf::from)
 }
 
 /// Any tempfile should be created with this function. The prefix and directory of every file