diff --git a/src/view/markdown.rs b/src/view/markdown.rs
index 0b7f723..859068c 100644
--- a/src/view/markdown.rs
+++ b/src/view/markdown.rs
@@ -437,10 +437,6 @@ fn wrap_spans_to_lines(spans: &[Span<'static>], target_width: usize) -> Vec<Vec<
 mod tests {
     use super::*;
 
-    fn span_text(spans: &[Span<'static>]) -> String {
-        spans.iter().map(|s| s.content.as_ref()).collect()
-    }
-
     #[test]
     fn dim_false_plain_text_has_no_color() {
         let spans = render_markdown("hello world", 0, false);