diff --git a/harper-core/src/linting/an_a.rs b/harper-core/src/linting/an_a.rs
index 232c2548..e5d639c6 100644
--- a/harper-core/src/linting/an_a.rs
+++ b/harper-core/src/linting/an_a.rs
@@ -2,7 +2,7 @@ use std::borrow::Cow;
 
 use itertools::Itertools;
 
-use crate::{CharStringExt, Document, Lint, LintKind, Linter, Suggestion, TokenStringExt};
+use crate::{Document, Lint, LintKind, Linter, Suggestion, TokenStringExt};
 
 #[derive(Debug, Default)]
 pub struct AnA;