diff --git a/src/parser/util.rs b/src/parser/util.rs
index 4ee8a27c..75744099 100644
--- a/src/parser/util.rs
+++ b/src/parser/util.rs
@@ -42,9 +42,9 @@ pub(crate) fn in_section<'b, 'g, 'r, 's, 'x>(
 }
 
 /// Checks if we are currently an immediate child of the given section type
-pub(crate) fn immediate_in_section<'b, 'g, 'r, 's, 'x>(
-    context: RefContext<'b, 'g, 'r, 's>,
-    section_name: &'x str,
+pub(crate) fn immediate_in_section(
+    context: RefContext<'_, '_, '_, '_>,
+    section_name: &str,
 ) -> bool {
     for thing in context.iter() {
         match thing {
@@ -133,7 +133,7 @@ pub(crate) fn start_of_line<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()>
         Ok((input, ()))
     } else {
         Err(nom::Err::Error(CustomError::MyError(MyError(
-            "Not at start of line".into(),
+            "Not at start of line",
         ))))
     }
 }
@@ -156,7 +156,7 @@ fn _preceded_by_whitespace<'s>(
         .unwrap_or(allow_start_of_file)
     {
         return Err(nom::Err::Error(CustomError::MyError(MyError(
-            "Must be preceded by a whitespace character.".into(),
+            "Must be preceded by a whitespace character.",
         ))));
     }
     Ok((input, ()))
@@ -198,9 +198,9 @@ pub(crate) fn text_until_exit<'b, 'g, 'r, 's>(
 
 #[allow(dead_code)]
 fn not_yet_implemented() -> Res<OrgSource<'static>, ()> {
-    return Err(nom::Err::Error(CustomError::MyError(MyError(
-        "Not implemented yet.".into(),
-    ))));
+    Err(nom::Err::Error(CustomError::MyError(MyError(
+        "Not implemented yet.",
+    ))))
 }
 
 #[allow(dead_code)]
@@ -234,29 +234,27 @@ where
 /// Match single space or tab.
 ///
 /// In org-mode syntax, spaces and tabs are often (but not always!) interchangeable.
-pub(crate) fn org_space<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, char> {
+pub(crate) fn org_space(input: OrgSource<'_>) -> Res<OrgSource<'_>, char> {
     one_of(" \t")(input)
 }
 
 /// Matches a single space, tab, line ending, or end of file.
 ///
 /// In org-mode syntax there are often delimiters that could be any whitespace at all or the end of file.
-pub(crate) fn org_space_or_line_ending<'s>(
-    input: OrgSource<'s>,
-) -> Res<OrgSource<'s>, OrgSource<'s>> {
+pub(crate) fn org_space_or_line_ending(input: OrgSource<'_>) -> Res<OrgSource<'_>, OrgSource<'_>> {
     alt((recognize(org_space), org_line_ending))(input)
 }
 
 /// Match a line break or the end of the file.
 ///
 /// In org-mode syntax, the end of the file can serve the same purpose as a line break syntactically.
-pub(crate) fn org_line_ending<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
+pub(crate) fn org_line_ending(input: OrgSource<'_>) -> Res<OrgSource<'_>, OrgSource<'_>> {
     alt((line_ending, eof))(input)
 }
 
 /// Match the whitespace at the beginning of a line and give it an indentation level.
-pub(crate) fn indentation_level<'b, 'g, 'r, 's>(
-    context: RefContext<'b, 'g, 'r, 's>,
+pub(crate) fn indentation_level<'s>(
+    context: RefContext<'_, '_, '_, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, (IndentationLevel, OrgSource<'s>)> {
     let (remaining, leading_whitespace) = space0(input)?;
diff --git a/src/types/affiliated_keyword.rs b/src/types/affiliated_keyword.rs
index d5f2fd4d..ad9e7fb1 100644
--- a/src/types/affiliated_keyword.rs
+++ b/src/types/affiliated_keyword.rs
@@ -19,7 +19,7 @@ pub struct AffiliatedKeyword<'s> {
     pub value: AffiliatedKeywordValue<'s>,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct AffiliatedKeywords<'s> {
     pub(crate) keywords: BTreeMap<String, AffiliatedKeywordValue<'s>>,
 }
@@ -27,11 +27,3 @@ pub struct AffiliatedKeywords<'s> {
 pub trait GetAffiliatedKeywords<'s> {
     fn get_affiliated_keywords<'a>(&'a self) -> &'a AffiliatedKeywords<'s>;
 }
-
-impl<'s> Default for AffiliatedKeywords<'s> {
-    fn default() -> Self {
-        AffiliatedKeywords {
-            keywords: BTreeMap::new(),
-        }
-    }
-}
diff --git a/src/types/document.rs b/src/types/document.rs
index eacf8583..e6f128c9 100644
--- a/src/types/document.rs
+++ b/src/types/document.rs
@@ -101,9 +101,8 @@ impl<'s> Heading<'s> {
                 _ => None,
             })
             .flat_map(|section| section.children.iter())
-            .take_while(|element| match element {
-                Element::Planning(_) | Element::PropertyDrawer(_) => true,
-                _ => false,
+            .take_while(|element| {
+                matches!(element, Element::Planning(_) | Element::PropertyDrawer(_))
             })
             .find_map(|element| match element {
                 Element::PropertyDrawer(property_drawer) => Some(property_drawer),
@@ -121,10 +120,8 @@ impl<'s> Document<'s> {
             .iter()
             .flat_map(|zeroth_section| zeroth_section.children.iter());
         let property_drawer = zeroth_section_children
-            .take_while(|element| match element {
-                Element::Comment(_) => true,
-                Element::PropertyDrawer(_) => true,
-                _ => false,
+            .take_while(|element| {
+                matches!(element, Element::Comment(_) | Element::PropertyDrawer(_))
             })
             .find_map(|element| match element {
                 Element::PropertyDrawer(property_drawer) => Some(property_drawer),