diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt
deleted file mode 100644
index e69de29bb2d1..000000000000
diff --git a/src/tools/tidy/src/lib.rs b/src/tools/tidy/src/lib.rs
index 1e7eb82b83e9..9f6d563166e2 100644
--- a/src/tools/tidy/src/lib.rs
+++ b/src/tools/tidy/src/lib.rs
@@ -79,7 +79,6 @@ pub(crate) mod iter_header;
 pub mod known_bug;
 pub mod mir_opt_tests;
 pub mod pal;
-pub mod run_make_tests;
 pub mod rustdoc_css_themes;
 pub mod rustdoc_gui_tests;
 pub mod rustdoc_templates;
diff --git a/src/tools/tidy/src/main.rs b/src/tools/tidy/src/main.rs
index 13a558fea48e..1d8514ef4c9c 100644
--- a/src/tools/tidy/src/main.rs
+++ b/src/tools/tidy/src/main.rs
@@ -103,8 +103,6 @@ fn main() {
         check!(tests_revision_unpaired_stdout_stderr, &tests_path);
         check!(debug_artifacts, &tests_path);
         check!(ui_tests, &root_path, bless);
-        // FIXME(jieyouxu): remove this check once all run-make tests are ported over to rmake.rs.
-        check!(run_make_tests, &tests_path, &src_path, bless);
         check!(mir_opt_tests, &tests_path, bless);
         check!(rustdoc_gui_tests, &tests_path);
         check!(rustdoc_css_themes, &librustdoc_path);
diff --git a/src/tools/tidy/src/run_make_tests.rs b/src/tools/tidy/src/run_make_tests.rs
deleted file mode 100644
index 8d1767878378..000000000000
--- a/src/tools/tidy/src/run_make_tests.rs
+++ /dev/null
@@ -1,104 +0,0 @@
-//! Tidy check to ensure that no new Makefiles are added under `tests/run-make/`.
-
-use std::collections::BTreeSet;
-use std::fs::File;
-use std::io::Write;
-use std::path::{Path, PathBuf};
-
-pub fn check(tests_path: &Path, src_path: &Path, bless: bool, bad: &mut bool) {
-    let mut is_sorted = true;
-
-    let allowed_makefiles = {
-        let mut total_lines = 0;
-        let mut prev_line = "";
-        let allowed_makefiles: BTreeSet<&str> = include_str!("allowed_run_make_makefiles.txt")
-            .lines()
-            .map(|line| {
-                total_lines += 1;
-
-                if prev_line > line {
-                    is_sorted = false;
-                }
-
-                prev_line = line;
-
-                line
-            })
-            .collect();
-
-        if !is_sorted && !bless {
-            tidy_error!(
-                bad,
-                "`src/tools/tidy/src/allowed_run_make_makefiles.txt` is not in order, likely \
-                because you modified it manually, please only update it with command \
-                `x test tidy --bless`"
-            );
-        }
-        if allowed_makefiles.len() != total_lines {
-            tidy_error!(
-                bad,
-                "`src/tools/tidy/src/allowed_run_make_makefiles.txt` contains duplicate entries, \
-                likely because you modified it manually, please only update it with command \
-                `x test tidy --bless`"
-            );
-        }
-
-        allowed_makefiles
-    };
-
-    let mut remaining_makefiles = allowed_makefiles.clone();
-
-    crate::walk::walk_no_read(
-        &[tests_path.join("run-make").as_ref()],
-        |_, _| false,
-        &mut |entry| {
-            if entry.file_type().map_or(true, |t| t.is_dir()) {
-                return;
-            }
-
-            if entry.file_name().to_str().map_or(true, |f| f != "Makefile") {
-                return;
-            }
-
-            let makefile_path = entry.path().strip_prefix(&tests_path).unwrap();
-            let makefile_path = makefile_path.to_str().unwrap().replace('\\', "/");
-
-            if !remaining_makefiles.remove(makefile_path.as_str()) {
-                tidy_error!(
-                    bad,
-                    "found run-make Makefile not permitted in \
-                `src/tools/tidy/src/allowed_run_make_makefiles.txt`, please write new run-make \
-                tests with `rmake.rs` instead: {}",
-                    entry.path().display()
-                );
-            }
-        },
-    );
-
-    // If there are any expected Makefiles remaining, they were moved or deleted.
-    // Our data must remain up to date, so they must be removed from
-    // `src/tools/tidy/src/allowed_run_make_makefiles.txt`.
-    // This can be done automatically on --bless, or else a tidy error will be issued.
-    if bless && (!remaining_makefiles.is_empty() || !is_sorted) {
-        let tidy_src = src_path.join("tools").join("tidy").join("src");
-        let org_file_path = tidy_src.join("allowed_run_make_makefiles.txt");
-        let temp_file_path = tidy_src.join("blessed_allowed_run_make_makefiles.txt");
-        let mut temp_file = t!(File::create_new(&temp_file_path));
-        for file in allowed_makefiles.difference(&remaining_makefiles) {
-            t!(writeln!(temp_file, "{file}"));
-        }
-        t!(std::fs::rename(&temp_file_path, &org_file_path));
-    } else {
-        for file in remaining_makefiles {
-            let mut p = PathBuf::from(tests_path);
-            p.push(file);
-            tidy_error!(
-                bad,
-                "Makefile `{}` no longer exists and should be removed from the exclusions in \
-                `src/tools/tidy/src/allowed_run_make_makefiles.txt`, you can run `x test tidy --bless` to update \
-                the allow list",
-                p.display()
-            );
-        }
-    }
-}