diff --git a/package.json b/package.json
index 3af4c8c57840..d52d0de7f581 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "which": "^2.0.1"
   },
   "scripts": {
-    "build-clean": "rimraf './packages/*/build' './packages/*/build-es5' './packages/*/tsconfig.tsbuildinfo'",
+    "build-clean": "rimraf './packages/*/build' './packages/*/tsconfig.tsbuildinfo'",
     "build": "yarn build:js && yarn build:ts",
     "build:js": "node ./scripts/build.js",
     "build:ts": "node ./scripts/buildTs.js",
diff --git a/packages/expect/src/__tests__/fakeChalk.test.ts b/packages/expect/src/__tests__/fakeChalk.test.ts
deleted file mode 100644
index 4fbb6cebef2f..000000000000
--- a/packages/expect/src/__tests__/fakeChalk.test.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-const fakeChalk = jest.requireActual('../fakeChalk');
-
-describe('Fake Chalk', () => {
-  it('returns input when invoked', () => {
-    expect(fakeChalk.red('yo')).toEqual('yo');
-  });
-
-  it('supports chaining', () => {
-    expect(fakeChalk.red.blue('yo')).toEqual('yo');
-  });
-});
diff --git a/packages/expect/src/fakeChalk.ts b/packages/expect/src/fakeChalk.ts
deleted file mode 100644
index 7bf89c0ad85c..000000000000
--- a/packages/expect/src/fakeChalk.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-import ansiStyles = require('ansi-styles');
-
-const returnInput = (str: string) => str;
-
-const allColorsAsFunc = Object.keys(ansiStyles)
-  .map(style => ({[style]: returnInput}))
-  .reduce((acc, cur) => Object.assign(acc, cur));
-
-Object.keys(allColorsAsFunc)
-  .map(color => allColorsAsFunc[color])
-  .forEach(style => {
-    Object.assign(style, allColorsAsFunc);
-    Object.assign(returnInput, style);
-  });
-
-export = allColorsAsFunc;