diff --git a/packages/module-runtime-hot/README.md b/packages/module-runtime-hot/README.md
new file mode 100644
index 0000000000..e4dcb32b80
--- /dev/null
+++ b/packages/module-runtime-hot/README.md
@@ -0,0 +1,3 @@
+# zodern:modules-runtime-hot
+
+Patches modules-runtime to support HMR.
diff --git a/packages/module-runtime-hot/package.js b/packages/module-runtime-hot/package.js
index 0cae7063fa..6021fc3a59 100644
--- a/packages/module-runtime-hot/package.js
+++ b/packages/module-runtime-hot/package.js
@@ -25,5 +25,4 @@ Package.onUse(function (api) {
 Package.onTest(function (api) {
   api.use("tinytest");
   api.use("modules"); // Test modules-runtime via modules.
-  api.addFiles("modules-runtime-tests.js");
 });