diff --git a/crates/mabo-build/src/lib.rs b/crates/mabo-build/src/lib.rs
index 12cb203..7f4cc4e 100644
--- a/crates/mabo-build/src/lib.rs
+++ b/crates/mabo-build/src/lib.rs
@@ -23,7 +23,7 @@ pub enum Error {
     /// Failed to load the Mabo project.
     #[error("failed to load the Mabo project")]
     LoadProject(#[source] mabo_project::Error),
-    /// The required OUT_DIR env var doesn't exist.
+    /// The required `OUT_DIR` env var doesn't exist.
     #[error("missing OUT_DIR environment variable")]
     NoOutDir,
     /// The file name resulting from a glob pattern didn't produce a usable file path.
diff --git a/crates/mabo-doc/src/templates.rs b/crates/mabo-doc/src/templates.rs
index d6dc8b5..68cc81d 100644
--- a/crates/mabo-doc/src/templates.rs
+++ b/crates/mabo-doc/src/templates.rs
@@ -216,17 +216,6 @@ fn merge_comments(item: &[&str]) -> String {
     })
 }
 
-struct MergeComments<'a>(&'a [&'a str]);
-
-impl Display for MergeComments<'_> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        for line in self.0 {
-            writeln!(f, "{line}")?;
-        }
-        Ok(())
-    }
-}
-
 struct PrintField<'a>(&'a Field<'a>, FieldKind);
 
 impl Display for PrintField<'_> {
diff --git a/crates/mabo-parser/src/ext.rs b/crates/mabo-parser/src/ext.rs
index c6857ec..54e658b 100644
--- a/crates/mabo-parser/src/ext.rs
+++ b/crates/mabo-parser/src/ext.rs
@@ -14,11 +14,6 @@ pub(crate) trait ParserExt {
     where
         G: Fn(usize, E) -> E2,
         Self: Parser<I, O, E> + Sized;
-
-    fn map_err_input<G, I, O, E, E2>(self, map: G) -> MapErrInput<Self, G, I, O, E, E2>
-    where
-        G: Fn(I, E) -> E2,
-        Self: Parser<I, O, E> + Sized;
 }
 
 impl<T> ParserExt for T {
@@ -39,15 +34,6 @@ impl<T> ParserExt for T {
     {
         MapErrLoc::new(self, map)
     }
-
-    #[inline(always)]
-    fn map_err_input<G, I, O, E, E2>(self, map: G) -> MapErrInput<Self, G, I, O, E, E2>
-    where
-        G: Fn(I, E) -> E2,
-        Self: Parser<I, O, E> + Sized,
-    {
-        MapErrInput::new(self, map)
-    }
 }
 
 pub(crate) struct MapErr<F, G, I, O, E, E2>
@@ -140,49 +126,3 @@ where
         }
     }
 }
-
-pub(crate) struct MapErrInput<F, G, I, O, E, E2>
-where
-    F: Parser<I, O, E>,
-    G: Fn(I, E) -> E2,
-{
-    parser: F,
-    map: G,
-    i: PhantomData<I>,
-    o: PhantomData<O>,
-    e: PhantomData<E>,
-    e2: PhantomData<E2>,
-}
-
-impl<F, G, I, O, E, E2> MapErrInput<F, G, I, O, E, E2>
-where
-    F: Parser<I, O, E>,
-    G: Fn(I, E) -> E2,
-{
-    #[inline(always)]
-    pub(crate) fn new(parser: F, map: G) -> Self {
-        Self {
-            parser,
-            map,
-            i: PhantomData,
-            o: PhantomData,
-            e: PhantomData,
-            e2: PhantomData,
-        }
-    }
-}
-
-impl<F, G, I, O, E, E2> Parser<I, O, E2> for MapErrInput<F, G, I, O, E, E2>
-where
-    F: Parser<I, O, E>,
-    G: Fn(I, E) -> E2,
-    I: Copy,
-{
-    #[inline]
-    fn parse_next(&mut self, i: &mut I) -> PResult<O, E2> {
-        match self.parser.parse_next(i) {
-            Ok(o) => Ok(o),
-            Err(e) => Err(e.map(|e| (self.map)(*i, e))),
-        }
-    }
-}
diff --git a/crates/mabo-project/src/lib.rs b/crates/mabo-project/src/lib.rs
index 3964d6d..745e37f 100644
--- a/crates/mabo-project/src/lib.rs
+++ b/crates/mabo-project/src/lib.rs
@@ -90,7 +90,7 @@ pub struct Package {
     #[serde(default, deserialize_with = "de::spdx_expression_opt")]
     pub license: Option<spdx::Expression>,
     /// List of files that make up the schema package. These are not regular file paths but glob
-    /// patterns, meaning that file trees can be defined in a consise way like `schemas/**/*.mabo`.
+    /// patterns, meaning that file trees can be defined in a concise way like `schemas/**/*.mabo`.
     ///
     /// Regardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined
     /// the final file list is always filtered by the `.mabo` file extension.
diff --git a/vscode-extension/schemas/mabo.json b/vscode-extension/schemas/mabo.json
index 7204c9a..60d6fdf 100644
--- a/vscode-extension/schemas/mabo.json
+++ b/vscode-extension/schemas/mabo.json
@@ -49,12 +49,12 @@
     },
     "Files": {
       "title": "Files",
-      "description": "List of files that make up the schema package. These are not regular file paths but glob patterns, meaning that\nfile trees can be defined in a consise way like `schemas/**/*.mabo`.\n\nRegardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined the final file list is\nalways filtered by the `.mabo` file extension.\n",
+      "description": "List of files that make up the schema package. These are not regular file paths but glob patterns, meaning that\nfile trees can be defined in a concise way like `schemas/**/*.mabo`.\n\nRegardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined the final file list is\nalways filtered by the `.mabo` file extension.\n",
       "type": "array",
       "items": [
         {
           "type": "string",
-          "description": "List of files that make up the schema package. These are not regular file paths but glob patterns, meaning that\nfile trees can be defined in a consise way like `schemas/**/*.mabo`.\n\nRegardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined the final file list is\nalways filtered by the `.mabo` file extension.\n"
+          "description": "List of files that make up the schema package. These are not regular file paths but glob patterns, meaning that\nfile trees can be defined in a concise way like `schemas/**/*.mabo`.\n\nRegardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined the final file list is\nalways filtered by the `.mabo` file extension.\n"
         }
       ]
     }
diff --git a/vscode-extension/schemas/mabo.yaml b/vscode-extension/schemas/mabo.yaml
index 3858584..a572299 100644
--- a/vscode-extension/schemas/mabo.yaml
+++ b/vscode-extension/schemas/mabo.yaml
@@ -52,7 +52,7 @@ definitions:
     title: Files
     description: &filesDesc |
       List of files that make up the schema package. These are not regular file paths but glob patterns, meaning that
-      file trees can be defined in a consise way like `schemas/**/*.mabo`.
+      file trees can be defined in a concise way like `schemas/**/*.mabo`.
 
       Regardless of the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) defined the final file list is
       always filtered by the `.mabo` file extension.