diff --git a/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs b/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs
index 2221b5d47acf..d758d9936132 100644
--- a/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs
+++ b/src/test/rustdoc/raw-ident-eliminate-r-hashtag.rs
@@ -1,3 +1,5 @@
+// ignore-tidy-linelength
+
 pub mod internal {
     pub struct r#mod;