diff --git a/test/runtime.js b/test/runtime.js
deleted file mode 100644
index eac6e36615..0000000000
--- a/test/runtime.js
+++ /dev/null
@@ -1,15 +0,0 @@
-var runtime = require("../lib/6to5/runtime-generator");
-var assert  = require("assert");
-
-suite("runtime", function () {
-  test("default", function () {
-    var code = runtime();
-    assert.ok(!!code.match(/to5Runtime/));
-  });
-
-  test("custom", function () {
-    var code = runtime("customNamespace");
-    assert.ok(code.match(/customNamespace/));
-    assert.ok(!code.match(/to5Runtime/));
-  });
-});