diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs
index 1ee00a3a4e8..ff059940f7c 100644
--- a/src/tools/compiletest/src/common.rs
+++ b/src/tools/compiletest/src/common.rs
@@ -338,8 +338,8 @@ pub struct Config {
     /// created in `/<build_base>/rustfix_missing_coverage.txt`
     pub rustfix_coverage: bool,
 
-    /// whether to run `tidy` when a rustdoc test fails
-    pub has_tidy: bool,
+    /// whether to run `tidy` (html-tidy) when a rustdoc test fails
+    pub has_html_tidy: bool,
 
     /// whether to run `enzyme` autodiff tests
     pub has_enzyme: bool,
diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs
index d045c6fe053..7d6ede9bcda 100644
--- a/src/tools/compiletest/src/lib.rs
+++ b/src/tools/compiletest/src/lib.rs
@@ -230,14 +230,14 @@ fn make_absolute(path: PathBuf) -> PathBuf {
     let run_ignored = matches.opt_present("ignored");
     let with_debug_assertions = matches.opt_present("with-debug-assertions");
     let mode = matches.opt_str("mode").unwrap().parse().expect("invalid mode");
-    let has_tidy = if mode == Mode::Rustdoc {
+    let has_html_tidy = if mode == Mode::Rustdoc {
         Command::new("tidy")
             .arg("--version")
             .stdout(Stdio::null())
             .status()
             .map_or(false, |status| status.success())
     } else {
-        // Avoid spawning an external command when we know tidy won't be used.
+        // Avoid spawning an external command when we know html-tidy won't be used.
         false
     };
     let has_enzyme = matches.opt_present("has-enzyme");
@@ -336,7 +336,7 @@ fn make_absolute(path: PathBuf) -> PathBuf {
             .opt_str("compare-mode")
             .map(|s| s.parse().expect("invalid --compare-mode provided")),
         rustfix_coverage: matches.opt_present("rustfix-coverage"),
-        has_tidy,
+        has_html_tidy,
         has_enzyme,
         channel: matches.opt_str("channel").unwrap(),
         git_hash: matches.opt_present("git-hash"),
diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs
index b84dd956de0..2f0c7d8ddc5 100644
--- a/src/tools/compiletest/src/main.rs
+++ b/src/tools/compiletest/src/main.rs
@@ -18,7 +18,7 @@ fn main() {
 
     let config = Arc::new(parse_config(env::args().collect()));
 
-    if !config.has_tidy && config.mode == Mode::Rustdoc {
+    if !config.has_html_tidy && config.mode == Mode::Rustdoc {
         eprintln!("warning: `tidy` (html-tidy.org) is not installed; diffs will not be generated");
     }
 
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 5b8a96a54c2..36c5106ddad 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-filelength
-
 use std::borrow::Cow;
 use std::collections::{HashMap, HashSet};
 use std::ffi::OsString;
@@ -1897,7 +1895,7 @@ fn charset() -> &'static str {
     }
 
     fn compare_to_default_rustdoc(&mut self, out_dir: &Path) {
-        if !self.config.has_tidy {
+        if !self.config.has_html_tidy {
             return;
         }
         println!("info: generating a diff against nightly rustdoc");