diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt
index 38880e5e95fcf..6340d204b2d4f 100644
--- a/src/tools/tidy/src/allowed_run_make_makefiles.txt
+++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt
@@ -7,7 +7,6 @@ run-make/dep-info-spaces/Makefile
 run-make/dep-info/Makefile
 run-make/emit-to-stdout/Makefile
 run-make/extern-fn-reachable/Makefile
-run-make/incr-add-rust-src-component/Makefile
 run-make/issue-84395-lto-embed-bitcode/Makefile
 run-make/jobserver-error/Makefile
 run-make/libs-through-symlinks/Makefile
diff --git a/tests/run-make/incr-add-rust-src-component/Makefile b/tests/run-make/incr-add-rust-src-component/Makefile
deleted file mode 100644
index fd09c2299f98e..0000000000000
--- a/tests/run-make/incr-add-rust-src-component/Makefile
+++ /dev/null
@@ -1,45 +0,0 @@
-# ignore-cross-compile
-include ../tools.mk
-
-# rust-lang/rust#70924: Test that if we add rust-src component in between two
-# incremental compiles, the compiler does not ICE on the second.
-
-# This test uses `ln -s` rather than copying to save testing time, but its
-# usage doesn't work on windows. So ignore windows.
-
-# ignore-windows
-
-SYSROOT:=$(shell $(RUSTC) --print sysroot)
-FAKEROOT=$(TMPDIR)/fakeroot
-INCR=$(TMPDIR)/incr
-
-# Make a local copy of the sysroot; then remove the rust-src part of it, if
-# present, for the *first* build. Then put in a facsimile of the rust-src
-# component for the second build, in order to expose the ICE from issue #70924.
-#
-# Note that it is much easier to just do `cp -a $(SYSROOT)/* $(FAKEROOT)` as a
-# first step, but I am concerned that would be too expensive in a unit test
-# compared to making symbolic links.
-#
-# Anyway, the pattern you'll see here is: For every prefix in
-# root/lib/rustlib/src, link all of prefix parent content, then remove the
-# prefix, then loop on the next prefix. This way, we basically create a copy of
-# the context around root/lib/rustlib/src, and can freely add/remove the src
-# component itself.
-all:
-	mkdir $(FAKEROOT)
-	ln -s $(SYSROOT)/* $(FAKEROOT)
-	rm -f $(FAKEROOT)/lib
-	mkdir $(FAKEROOT)/lib
-	ln -s $(SYSROOT)/lib/* $(FAKEROOT)/lib
-	rm -f $(FAKEROOT)/lib/rustlib
-	mkdir $(FAKEROOT)/lib/rustlib
-	ln -s $(SYSROOT)/lib/rustlib/* $(FAKEROOT)/lib/rustlib
-	rm -f $(FAKEROOT)/lib/rustlib/src
-	mkdir $(FAKEROOT)/lib/rustlib/src
-	ln -s $(SYSROOT)/lib/rustlib/src/* $(FAKEROOT)/lib/rustlib/src
-	rm -f $(FAKEROOT)/lib/rustlib/src/rust
-	$(RUSTC) --sysroot $(FAKEROOT) -C incremental=$(INCR) main.rs
-	mkdir -p $(FAKEROOT)/lib/rustlib/src/rust/src/libstd
-	touch $(FAKEROOT)/lib/rustlib/src/rust/src/libstd/lib.rs
-	$(RUSTC) --sysroot $(FAKEROOT) -C incremental=$(INCR) main.rs
diff --git a/tests/run-make/incr-add-rust-src-component/rmake.rs b/tests/run-make/incr-add-rust-src-component/rmake.rs
new file mode 100644
index 0000000000000..b43cf9cb027ea
--- /dev/null
+++ b/tests/run-make/incr-add-rust-src-component/rmake.rs
@@ -0,0 +1,22 @@
+// rust-lang/rust#70924: Test that if we add rust-src component in between two
+// incremental compiles, the compiler does not ICE on the second.
+// Remove the rust-src part of the sysroot for the *first* build.
+// Then put in a facsimile of the rust-src
+// component for the second build, in order to expose the ICE from issue #70924.
+// See https://github.com/rust-lang/rust/pull/72952
+
+//FIXME(Oneirical): try on test-various and windows
+//FIXME(Oneirical): check that the direct edit of the sysroot is not messing things up
+
+use run_make_support::{path, rfs, rustc};
+
+fn main() {
+    let sysroot = rustc().print("sysroot").run().stdout_utf8();
+    let sysroot = sysroot.trim();
+    let sysroot = format!("{sysroot}-sysroot");
+    rfs::remove_dir_all(path(&sysroot).join("lib/rustlib/src/rust"));
+    rustc().arg("--sysroot").arg(&sysroot).incremental("incr").input("main.rs").run();
+    rfs::create_dir_all(path(&sysroot).join("lib/rustlib/src/rust/src/libstd"));
+    rfs::create_file(path(&sysroot).join("lib/rustlib/src/rust/src/libstd/lib.rs"));
+    rustc().arg("--sysroot").arg(&sysroot).incremental("incr").input("main.rs").run();
+}