diff --git a/test/fixtures/transformation/misc/custom-runtime/actual.js b/test/fixtures/transformation/misc/custom-runtime/actual.js
deleted file mode 100644
index e1ca907ba1..0000000000
--- a/test/fixtures/transformation/misc/custom-runtime/actual.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function foo() {
-  test("bar", ...arguments);
-}
diff --git a/test/fixtures/transformation/misc/custom-runtime/expected.js b/test/fixtures/transformation/misc/custom-runtime/expected.js
deleted file mode 100644
index 8139b181c5..0000000000
--- a/test/fixtures/transformation/misc/custom-runtime/expected.js
+++ /dev/null
@@ -1,5 +0,0 @@
-"use strict";
-
-function foo() {
-  test.apply(undefined, ["bar"].concat(customNamespace.slice.call(arguments)));
-}
diff --git a/test/fixtures/transformation/misc/custom-runtime/options.json b/test/fixtures/transformation/misc/custom-runtime/options.json
deleted file mode 100644
index bcf2c7495d..0000000000
--- a/test/fixtures/transformation/misc/custom-runtime/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "runtime": "customNamespace"
-}
diff --git a/test/fixtures/transformation/misc/runtime/actual.js b/test/fixtures/transformation/misc/runtime/actual.js
deleted file mode 100644
index e1ca907ba1..0000000000
--- a/test/fixtures/transformation/misc/runtime/actual.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function foo() {
-  test("bar", ...arguments);
-}
diff --git a/test/fixtures/transformation/misc/runtime/expected.js b/test/fixtures/transformation/misc/runtime/expected.js
deleted file mode 100644
index cda4ff0fa5..0000000000
--- a/test/fixtures/transformation/misc/runtime/expected.js
+++ /dev/null
@@ -1,5 +0,0 @@
-"use strict";
-
-function foo() {
-  test.apply(undefined, ["bar"].concat(to5Runtime.slice.call(arguments)));
-}
diff --git a/test/fixtures/transformation/misc/runtime/options.json b/test/fixtures/transformation/misc/runtime/options.json
deleted file mode 100644
index fd951bc4b7..0000000000
--- a/test/fixtures/transformation/misc/runtime/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "runtime": true
-}