diff --git a/crates/codespell-dict/tests/codegen.rs b/crates/codespell-dict/tests/codegen.rs
index edb6e0b..734cf6c 100644
--- a/crates/codespell-dict/tests/codegen.rs
+++ b/crates/codespell-dict/tests/codegen.rs
@@ -7,7 +7,7 @@ fn codegen() {
 
     let content = String::from_utf8(content).unwrap();
     let content = codegenrs::rustfmt(&content, None).unwrap();
-    snapbox::assert_eq_path("./src/dict_codegen.rs", &content);
+    snapbox::assert_eq_path("./src/dict_codegen.rs", content);
 }
 
 #[test]
diff --git a/crates/dictgen/src/trie.rs b/crates/dictgen/src/trie.rs
index 03ef6ff..07b06f9 100644
--- a/crates/dictgen/src/trie.rs
+++ b/crates/dictgen/src/trie.rs
@@ -28,9 +28,9 @@ impl<V> DictTrie<V> {
                 match child.children {
                     DictTrieChild::Nested(n) => {
                         let byte = bytes[i];
-                        let index = if (b'a'..=b'z').contains(&byte) {
+                        let index = if byte.is_ascii_lowercase() {
                             byte - b'a'
-                        } else if (b'A'..=b'Z').contains(&byte) {
+                        } else if byte.is_ascii_uppercase() {
                             byte - b'A'
                         } else {
                             return self.unicode.find(word);
diff --git a/crates/typos-cli/src/bin/typos-cli/args.rs b/crates/typos-cli/src/bin/typos-cli/args.rs
index 03b0d33..0201084 100644
--- a/crates/typos-cli/src/bin/typos-cli/args.rs
+++ b/crates/typos-cli/src/bin/typos-cli/args.rs
@@ -3,10 +3,11 @@ use clap::Parser;
 
 use typos_cli::config;
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq, clap::ValueEnum)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, clap::ValueEnum, Default)]
 pub enum Format {
     Silent,
     Brief,
+    #[default]
     Long,
     Json,
 }
@@ -32,12 +33,6 @@ impl Format {
     }
 }
 
-impl Default for Format {
-    fn default() -> Self {
-        Format::Long
-    }
-}
-
 #[derive(Debug, Parser)]
 #[command(rename_all = "kebab-case")]
 #[command(about, author, version)]
diff --git a/crates/typos-cli/src/config.rs b/crates/typos-cli/src/config.rs
index 67701a9..7ee6c3e 100644
--- a/crates/typos-cli/src/config.rs
+++ b/crates/typos-cli/src/config.rs
@@ -483,7 +483,9 @@ impl Eq for DictConfig {}
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(rename_all = "kebab-case")]
+#[derive(Default)]
 pub enum Locale {
+    #[default]
     En,
     EnUs,
     EnGb,
@@ -507,12 +509,6 @@ impl Locale {
     }
 }
 
-impl Default for Locale {
-    fn default() -> Self {
-        Locale::En
-    }
-}
-
 impl std::str::FromStr for Locale {
     type Err = String;
 
diff --git a/crates/typos-cli/src/dict.rs b/crates/typos-cli/src/dict.rs
index a8f317e..f69abe0 100644
--- a/crates/typos-cli/src/dict.rs
+++ b/crates/typos-cli/src/dict.rs
@@ -18,17 +18,14 @@ impl BuiltIn {
         }
     }
 
-    pub fn correct_ident<'s, 'w>(
+    pub fn correct_ident<'s>(
         &'s self,
-        _ident: typos::tokens::Identifier<'w>,
+        _ident: typos::tokens::Identifier<'_>,
     ) -> Option<Status<'s>> {
         None
     }
 
-    pub fn correct_word<'s, 'w>(
-        &'s self,
-        word_token: typos::tokens::Word<'w>,
-    ) -> Option<Status<'s>> {
+    pub fn correct_word<'s>(&'s self, word_token: typos::tokens::Word<'_>) -> Option<Status<'s>> {
         if word_token.case() == typos::tokens::Case::None {
             return None;
         }
@@ -162,11 +159,11 @@ impl BuiltIn {
 }
 
 impl typos::Dictionary for BuiltIn {
-    fn correct_ident<'s, 'w>(&'s self, ident: typos::tokens::Identifier<'w>) -> Option<Status<'s>> {
+    fn correct_ident<'s>(&'s self, ident: typos::tokens::Identifier<'_>) -> Option<Status<'s>> {
         BuiltIn::correct_ident(self, ident)
     }
 
-    fn correct_word<'s, 'w>(&'s self, word: typos::tokens::Word<'w>) -> Option<Status<'s>> {
+    fn correct_word<'s>(&'s self, word: typos::tokens::Word<'_>) -> Option<Status<'s>> {
         BuiltIn::correct_word(self, word)
     }
 }
@@ -246,7 +243,7 @@ impl<'i, 'w, D: typos::Dictionary> Override<'i, 'w, D> {
 }
 
 impl<'i, 'w, D: typos::Dictionary> typos::Dictionary for Override<'i, 'w, D> {
-    fn correct_ident<'s, 't>(&'s self, ident: typos::tokens::Identifier<'t>) -> Option<Status<'s>> {
+    fn correct_ident<'s>(&'s self, ident: typos::tokens::Identifier<'_>) -> Option<Status<'s>> {
         for ignored in &self.ignored_identifiers {
             if ignored.is_match(ident.token()) {
                 return Some(Status::Valid);
@@ -264,7 +261,7 @@ impl<'i, 'w, D: typos::Dictionary> typos::Dictionary for Override<'i, 'w, D> {
         }
     }
 
-    fn correct_word<'s, 't>(&'s self, word: typos::tokens::Word<'t>) -> Option<Status<'s>> {
+    fn correct_word<'s>(&'s self, word: typos::tokens::Word<'_>) -> Option<Status<'s>> {
         if word.case() == typos::tokens::Case::None {
             return None;
         }
diff --git a/crates/typos-dict/tests/verify.rs b/crates/typos-dict/tests/verify.rs
index 560b095..c404768 100644
--- a/crates/typos-dict/tests/verify.rs
+++ b/crates/typos-dict/tests/verify.rs
@@ -39,7 +39,6 @@ fn parse_dict(path: &str) -> Vec<(String, Vec<String>)> {
 
     reader
         .records()
-        .into_iter()
         .map(Result::unwrap)
         .map(|record| {
             let mut iter = record.into_iter();
diff --git a/crates/typos/src/dict.rs b/crates/typos/src/dict.rs
index deed6d9..53bc151 100644
--- a/crates/typos/src/dict.rs
+++ b/crates/typos/src/dict.rs
@@ -5,12 +5,12 @@ pub trait Dictionary: Send + Sync {
     /// Look up the validity of an Identifier.
     ///
     /// `None` if the status is unknown.
-    fn correct_ident<'s, 'w>(&'s self, ident: crate::tokens::Identifier<'w>) -> Option<Status<'s>>;
+    fn correct_ident<'s>(&'s self, ident: crate::tokens::Identifier<'_>) -> Option<Status<'s>>;
 
     /// Look up the validity of a Word.
     ///
     /// `None` if the status is unknown.
-    fn correct_word<'s, 'w>(&'s self, word: crate::tokens::Word<'w>) -> Option<Status<'s>>;
+    fn correct_word<'s>(&'s self, word: crate::tokens::Word<'_>) -> Option<Status<'s>>;
 }
 
 /// Validity of a term in a Dictionary.
diff --git a/crates/typos/src/tokens.rs b/crates/typos/src/tokens.rs
index 92b2d56..707654f 100644
--- a/crates/typos/src/tokens.rs
+++ b/crates/typos/src/tokens.rs
@@ -510,21 +510,21 @@ mod parser {
     #[inline]
     fn is_lower_hex_digit(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='f').contains(&c) || ('0'..='9').contains(&c)
+        ('a'..='f').contains(&c) || c.is_ascii_digit()
     }
 
     #[inline]
     fn is_upper_hex_digit(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('A'..='F').contains(&c) || ('0'..='9').contains(&c)
+        ('A'..='F').contains(&c) || c.is_ascii_digit()
     }
 
     #[inline]
     fn is_base64_digit(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='z').contains(&c)
-            || ('A'..='Z').contains(&c)
-            || ('0'..='9').contains(&c)
+        c.is_ascii_lowercase()
+            || c.is_ascii_uppercase()
+            || c.is_ascii_digit()
             || c == '+'
             || c == '/'
     }
@@ -538,18 +538,18 @@ mod parser {
     #[inline]
     fn is_localport_char(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='z').contains(&c)
-            || ('A'..='Z').contains(&c)
-            || ('0'..='9').contains(&c)
+        c.is_ascii_lowercase()
+            || c.is_ascii_uppercase()
+            || c.is_ascii_digit()
             || "!#$%&'*+-/=?^_`{|}~().".find(c).is_some()
     }
 
     #[inline]
     fn is_domain_char(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='z').contains(&c)
-            || ('A'..='Z').contains(&c)
-            || ('0'..='9').contains(&c)
+        c.is_ascii_lowercase()
+            || c.is_ascii_uppercase()
+            || c.is_ascii_digit()
             || "-().".find(c).is_some()
     }
 
@@ -568,9 +568,9 @@ mod parser {
     #[inline]
     fn is_uri_unreserved(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='z').contains(&c)
-            || ('A'..='Z').contains(&c)
-            || ('0'..='9').contains(&c)
+        c.is_ascii_lowercase()
+            || c.is_ascii_uppercase()
+            || c.is_ascii_digit()
             || "-._~".find(c).is_some()
     }
 
@@ -583,7 +583,7 @@ mod parser {
     #[inline]
     fn is_scheme_char(i: impl AsChar + Copy) -> bool {
         let c = i.as_char();
-        ('a'..='z').contains(&c) || ('0'..='9').contains(&c) || "+.-".find(c).is_some()
+        c.is_ascii_lowercase() || c.is_ascii_digit() || "+.-".find(c).is_some()
     }
 
     #[inline]