diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt
index 37da5d9c88d..14d7bfe9ad4 100644
--- a/src/tools/tidy/src/allowed_run_make_makefiles.txt
+++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt
@@ -18,7 +18,6 @@ run-make/compiler-lookup-paths-2/Makefile
 run-make/compiler-lookup-paths/Makefile
 run-make/compiler-rt-works-on-mingw/Makefile
 run-make/compressed-debuginfo/Makefile
-run-make/const_fn_mir/Makefile
 run-make/crate-hash-rustc-version/Makefile
 run-make/crate-name-priority/Makefile
 run-make/cross-lang-lto-clang/Makefile
diff --git a/tests/run-make/const_fn_mir/Makefile b/tests/run-make/const_fn_mir/Makefile
deleted file mode 100644
index 3399446130d..00000000000
--- a/tests/run-make/const_fn_mir/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# needs-unwind -Cpanic=abort gives different MIR output
-include ../tools.mk
-
-all:
-	$(RUSTC) main.rs --emit=mir -o "$(TMPDIR)"/dump.mir
-	$(RUSTC_TEST_OP) "$(TMPDIR)"/dump.mir dump.mir
diff --git a/tests/run-make/const_fn_mir/rmake.rs b/tests/run-make/const_fn_mir/rmake.rs
new file mode 100644
index 00000000000..a4cc4299b1b
--- /dev/null
+++ b/tests/run-make/const_fn_mir/rmake.rs
@@ -0,0 +1,8 @@
+// The `needs-unwind -Cpanic=abort` gives a different MIR output.
+
+use run_make_support::{cwd, diff, rustc};
+
+fn main() {
+    rustc().input("main.rs").emit("mir").output("dump-actual.mir").run();
+    diff().expected_file("dump.mir").actual_file("dump-actual.mir").run();
+}