diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt
index 6d79711e686..7ad5dec8a84 100644
--- a/src/tools/tidy/src/allowed_run_make_makefiles.txt
+++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt
@@ -237,7 +237,6 @@ run-make/short-ice/Makefile
 run-make/silly-file-names/Makefile
 run-make/simd-ffi/Makefile
 run-make/simple-dylib/Makefile
-run-make/simple-rlib/Makefile
 run-make/split-debuginfo/Makefile
 run-make/stable-symbol-names/Makefile
 run-make/static-dylib-by-default/Makefile
diff --git a/tests/run-make/lto-smoke/rmake.rs b/tests/run-make/lto-smoke/rmake.rs
index c0f181c1082..692945135cd 100644
--- a/tests/run-make/lto-smoke/rmake.rs
+++ b/tests/run-make/lto-smoke/rmake.rs
@@ -1,5 +1,6 @@
 // A simple smoke test to check that link time optimization
-// (LTO) works as intended, with its various flags turned on.
+// (LTO) is accepted by the compiler, and that
+// passing its various flags still results in successful compilation.
 // See https://github.com/rust-lang/rust/issues/10741
 
 //@ ignore-cross-compile
@@ -9,7 +10,7 @@
 fn main() {
     let lto_flags = ["-Clto", "-Clto=yes", "-Clto=off", "-Clto=thin", "-Clto=fat"];
     for flag in lto_flags {
-        rustc().input(lib.rs).run();
-        rustc().input(main.rs).arg(flag).run();
+        rustc().input("lib.rs").run();
+        rustc().input("main.rs").arg(flag).run();
     }
 }
diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-deps/rmake.rs
similarity index 100%
rename from tests/run-make/mixing-formats/rmake.rs
rename to tests/run-make/mixing-deps/rmake.rs
diff --git a/tests/run-make/simple-rlib/Makefile b/tests/run-make/simple-rlib/Makefile
deleted file mode 100644
index 28df61a1547..00000000000
--- a/tests/run-make/simple-rlib/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# ignore-cross-compile
-include ../tools.mk
-all:
-	$(RUSTC) bar.rs --crate-type=rlib
-	$(RUSTC) foo.rs
-	$(call RUN,foo)
diff --git a/tests/run-make/simple-rlib/bar.rs b/tests/run-make/simple-rlib/bar.rs
deleted file mode 100644
index c5c0bc606cd..00000000000
--- a/tests/run-make/simple-rlib/bar.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub fn bar() {}
diff --git a/tests/run-make/simple-rlib/foo.rs b/tests/run-make/simple-rlib/foo.rs
deleted file mode 100644
index 8d68535e3b6..00000000000
--- a/tests/run-make/simple-rlib/foo.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-extern crate bar;
-
-fn main() {
-    bar::bar();
-}
diff --git a/tests/ui/imports/auxiliary/simple-rlib.rs b/tests/ui/imports/auxiliary/simple-rlib.rs
new file mode 100644
index 00000000000..28a6273840f
--- /dev/null
+++ b/tests/ui/imports/auxiliary/simple-rlib.rs
@@ -0,0 +1,2 @@
+#![crate_type = "rlib"]
+pub fn bar() {}
diff --git a/tests/ui/imports/simple-rlib-import.rs b/tests/ui/imports/simple-rlib-import.rs
new file mode 100644
index 00000000000..6eab7ba04cf
--- /dev/null
+++ b/tests/ui/imports/simple-rlib-import.rs
@@ -0,0 +1,12 @@
+// A simple test, where foo.rs has a dependency
+// on the rlib (a static Rust-specific library format) bar.rs. If the test passes,
+// rlibs can be built and linked into another file successfully..
+
+//@ aux-crate:bar=simple-rlib.rs
+//@ run-pass
+
+extern crate bar;
+
+fn main() {
+    bar::bar();
+}