diff --git a/e2e/browser-support/browser-test.js b/e2e/browser-support/browser-test.js
index 6dd618a85119..f369f54d93dd 100644
--- a/e2e/browser-support/browser-test.js
+++ b/e2e/browser-support/browser-test.js
@@ -6,9 +6,9 @@
  */
 
 /* eslint-disable */
-var {default: expect} = require('../../packages/expect/build-es5/index.js');
+var expect = require('../../packages/expect/build-es5/index.js');
 var mock = require('../../packages/jest-mock/build-es5/index.js');
-var {default: prettyFormat} = require('../../packages/pretty-format/build-es5/index.js');
+var prettyFormat = require('../../packages/pretty-format/build-es5/index.js');
 
 describe('es5 builds in browser', function() {
   it('runs assertions', function() {
diff --git a/packages/expect/src/__tests__/assertionCounts.test.js b/packages/expect/src/__tests__/assertionCounts.test.js
index 8e5e42cf9031..b3c4029d9a4b 100644
--- a/packages/expect/src/__tests__/assertionCounts.test.js
+++ b/packages/expect/src/__tests__/assertionCounts.test.js
@@ -8,29 +8,29 @@
 
 'use strict';
 
-import jestExpect, {assertions, hasAssertions} from '../';
+import jestExpect from '../';
 
 describe('.assertions()', () => {
   it('does not throw', () => {
-    assertions(2);
+    jestExpect.assertions(2);
     jestExpect('a').not.toBe('b');
     jestExpect('a').toBe('a');
   });
 
   it('redeclares different assertion count', () => {
-    assertions(3);
+    jestExpect.assertions(3);
     jestExpect('a').not.toBe('b');
     jestExpect('a').toBe('a');
-    assertions(2);
+    jestExpect.assertions(2);
   });
   it('expects no assertions', () => {
-    assertions(0);
+    jestExpect.assertions(0);
   });
 });
 
 describe('.hasAssertions()', () => {
   it('does not throw if there is an assertion', () => {
-    hasAssertions();
+    jestExpect.hasAssertions();
     jestExpect('a').toBe('a');
   });
 
diff --git a/packages/expect/src/index.js b/packages/expect/src/index.js
index 41d007959273..ac2644672c48 100644
--- a/packages/expect/src/index.js
+++ b/packages/expect/src/index.js
@@ -8,6 +8,7 @@
  */
 
 import type {
+  Expect,
   ExpectationObject,
   AsyncExpectationResult,
   SyncExpectationResult,
@@ -46,12 +47,7 @@ import {
   getMatchers,
   setMatchers,
 } from './jestMatchersObject';
-
-export {
-  default as extractExpectedAssertionsErrors,
-} from './extractExpectedAssertionsErrors';
-
-export {getState, setState};
+import extractExpectedAssertionsErrors from './extractExpectedAssertionsErrors';
 
 class JestAssertionError extends Error {
   matcherResult: any;
@@ -320,11 +316,9 @@ const makeThrowingMatcher = (
     }
   };
 
-export const extend = (matchers: MatchersObject): void =>
+expect.extend = (matchers: MatchersObject): void =>
   setMatchers(matchers, false, expect);
 
-expect.extend = extend;
-
 expect.anything = anything;
 expect.any = any;
 
@@ -358,7 +352,7 @@ const _validateResult = result => {
   }
 };
 
-export function assertions(expected: number) {
+function assertions(expected: number) {
   const error = new Error();
   if (Error.captureStackTrace) {
     Error.captureStackTrace(error, assertions);
@@ -367,7 +361,7 @@ export function assertions(expected: number) {
   getState().expectedAssertionsNumber = expected;
   getState().expectedAssertionsNumberError = error;
 }
-export function hasAssertions(...args: Array<any>) {
+function hasAssertions(...args: Array<any>) {
   const error = new Error();
   if (Error.captureStackTrace) {
     Error.captureStackTrace(error, hasAssertions);
@@ -383,6 +377,11 @@ setMatchers(matchers, true, expect);
 setMatchers(spyMatchers, true, expect);
 setMatchers(toThrowMatchers, true, expect);
 
-export const addSnapshotSerializer = () => void 0;
+expect.addSnapshotSerializer = () => void 0;
+expect.assertions = assertions;
+expect.hasAssertions = hasAssertions;
+expect.getState = getState;
+expect.setState = setState;
+expect.extractExpectedAssertionsErrors = extractExpectedAssertionsErrors;
 
-export default expect;
+export default (expect: Expect);
diff --git a/packages/expect/src/jestMatchersObject.js b/packages/expect/src/jestMatchersObject.js
index 24f2a2a4cecf..b3b7d8f87d7d 100644
--- a/packages/expect/src/jestMatchersObject.js
+++ b/packages/expect/src/jestMatchersObject.js
@@ -8,7 +8,11 @@
  */
 
 import {AsymmetricMatcher} from './asymmetricMatchers';
-import type {MatchersObject, SyncExpectationResult} from 'types/Matchers';
+import type {
+  Expect,
+  MatchersObject,
+  SyncExpectationResult,
+} from 'types/Matchers';
 
 // Global matchers object holds the list of available matchers and
 // the state, that can hold matcher specific values that change over time.
@@ -43,7 +47,7 @@ export const getMatchers = () => global[JEST_MATCHERS_OBJECT].matchers;
 export const setMatchers = (
   matchers: MatchersObject,
   isInternal: boolean,
-  expect: any,
+  expect: Expect,
 ) => {
   Object.keys(matchers).forEach(key => {
     const matcher = matchers[key];
diff --git a/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.js b/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.js
index da65ad8abc8e..7eb30f05af1b 100644
--- a/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.js
+++ b/packages/jest-circus/src/legacy-code-todo-rewrite/jestAdapterInit.js
@@ -11,7 +11,7 @@ import type {AssertionResult, TestResult, Status} from 'types/TestResult';
 import type {GlobalConfig, Path, ProjectConfig} from 'types/Config';
 import type {Event, RunResult, TestEntry} from 'types/Circus';
 
-import {extractExpectedAssertionsErrors, getState, setState} from 'expect';
+import expect from 'expect';
 import {formatExecError, formatResultsErrors} from 'jest-message-util';
 import {
   SnapshotState,
@@ -106,7 +106,7 @@ export const initialize = ({
     getPrettier,
     updateSnapshot,
   });
-  setState({snapshotState, testPath});
+  expect.setState({snapshotState, testPath});
 
   // Return it back to the outer scope (test runner outside the VM).
   return {globals, snapshotState};
@@ -221,7 +221,7 @@ export const runAndTransformResultsToJestFormat = async ({
 const eventHandler = (event: Event) => {
   switch (event.name) {
     case 'test_start': {
-      setState({currentTestName: getTestID(event.test)});
+      expect.setState({currentTestName: getTestID(event.test)});
       break;
     }
     case 'test_done': {
@@ -233,17 +233,17 @@ const eventHandler = (event: Event) => {
 };
 
 const _addExpectedAssertionErrors = (test: TestEntry) => {
-  const failures = extractExpectedAssertionsErrors();
+  const failures = expect.extractExpectedAssertionsErrors();
   const errors = failures.map(failure => failure.error);
   test.errors = test.errors.concat(errors);
 };
 
-// Get suppressed errors from ``jest-matchers`` that weren't throw during
+// Get suppressed errors from `expect` that weren't throw during
 // test execution and add them to the test result, potentially failing
 // a passing test.
 const _addSuppressedErrors = (test: TestEntry) => {
-  const {suppressedErrors} = getState();
-  setState({suppressedErrors: []});
+  const {suppressedErrors} = expect.getState();
+  expect.setState({suppressedErrors: []});
   if (suppressedErrors.length) {
     test.errors = test.errors.concat(suppressedErrors);
   }
diff --git a/packages/jest-circus/src/legacy-code-todo-rewrite/jestExpect.js b/packages/jest-circus/src/legacy-code-todo-rewrite/jestExpect.js
index 6e3b4bc0cb9b..dab570510844 100644
--- a/packages/jest-circus/src/legacy-code-todo-rewrite/jestExpect.js
+++ b/packages/jest-circus/src/legacy-code-todo-rewrite/jestExpect.js
@@ -9,7 +9,7 @@
 
 import type {RawMatcherFn} from 'types/Matchers';
 
-import expect, {setState, extend, assertions, hasAssertions} from 'expect';
+import expect from 'expect';
 
 import {
   addSerializer,
@@ -27,16 +27,13 @@ type JasmineMatcher = {
 
 export default (config: {expand: boolean}) => {
   global.expect = expect;
-  setState({expand: config.expand});
-  extend({
+  expect.setState({expand: config.expand});
+  expect.extend({
     toMatchInlineSnapshot,
     toMatchSnapshot,
     toThrowErrorMatchingInlineSnapshot,
     toThrowErrorMatchingSnapshot,
   });
-  global.expect.extend = extend;
-  global.expect.assertions = assertions;
-  global.expect.hasAssertions = hasAssertions;
 
   (expect: Object).addSnapshotSerializer = addSerializer;
 };
diff --git a/packages/jest-diff/src/index.js b/packages/jest-diff/src/index.js
index 16db2abfc68a..b194c00fd18d 100644
--- a/packages/jest-diff/src/index.js
+++ b/packages/jest-diff/src/index.js
@@ -9,7 +9,7 @@
 
 import type {DiffOptions} from './diffStrings';
 
-import prettyFormat, {plugins as prettyPlugins} from 'pretty-format';
+import prettyFormat from 'pretty-format';
 import chalk from 'chalk';
 import getType from 'jest-get-type';
 import diffStrings from './diffStrings';
@@ -22,7 +22,7 @@ const {
   Immutable,
   ReactElement,
   ReactTestComponent,
-} = prettyPlugins;
+} = prettyFormat.plugins;
 
 const PLUGINS = [
   ReactTestComponent,
diff --git a/packages/jest-jasmine2/src/jestExpect.js b/packages/jest-jasmine2/src/jestExpect.js
index 83c9ade75a53..46ef61026e4c 100644
--- a/packages/jest-jasmine2/src/jestExpect.js
+++ b/packages/jest-jasmine2/src/jestExpect.js
@@ -9,12 +9,7 @@
 
 import type {RawMatcherFn} from 'types/Matchers';
 
-import expect, {
-  setState,
-  extend,
-  assertions,
-  hasAssertions,
-} from 'expect';
+import expect from 'expect';
 import {
   addSerializer,
   toMatchSnapshot,
@@ -32,17 +27,14 @@ type JasmineMatchersObject = {[id: string]: JasmineMatcher};
 
 export default (config: {expand: boolean}) => {
   global.expect = expect;
-  setState({expand: config.expand});
-  extend({
+  expect.setState({expand: config.expand});
+  expect.extend({
     toMatchInlineSnapshot,
     toMatchSnapshot,
     toThrowErrorMatchingInlineSnapshot,
     toThrowErrorMatchingSnapshot,
   });
   (expect: Object).addSnapshotSerializer = addSerializer;
-  global.expect.extend = extend;
-  global.expect.assertions = assertions;
-  global.expect.hasAssertions = hasAssertions;
 
   const jasmine = global.jasmine;
   jasmine.anything = expect.anything;
diff --git a/packages/jest-jasmine2/src/setup_jest_globals.js b/packages/jest-jasmine2/src/setup_jest_globals.js
index 98f1e0728030..501fda334611 100644
--- a/packages/jest-jasmine2/src/setup_jest_globals.js
+++ b/packages/jest-jasmine2/src/setup_jest_globals.js
@@ -10,7 +10,7 @@
 import type {GlobalConfig, Path, ProjectConfig} from 'types/Config';
 import type {Plugin} from 'types/PrettyFormat';
 
-import {extractExpectedAssertionsErrors, getState, setState} from 'expect';
+import expect from 'expect';
 import {
   buildSnapshotResolver,
   SnapshotState,
@@ -29,8 +29,8 @@ export type SetupOptions = {|
 // test execution and add them to the test result, potentially failing
 // a passing test.
 const addSuppressedErrors = result => {
-  const {suppressedErrors} = getState();
-  setState({suppressedErrors: []});
+  const {suppressedErrors} = expect.getState();
+  expect.setState({suppressedErrors: []});
   if (suppressedErrors.length) {
     result.status = 'failed';
 
@@ -47,7 +47,7 @@ const addSuppressedErrors = result => {
 };
 
 const addAssertionErrors = result => {
-  const assertionErrors = extractExpectedAssertionsErrors();
+  const assertionErrors = expect.extractExpectedAssertionsErrors();
   if (assertionErrors.length) {
     const jasmineErrors = assertionErrors.map(({actual, error, expected}) => ({
       actual,
@@ -71,7 +71,7 @@ const patchJasmine = () => {
       };
       const onStart = attr.onStart;
       attr.onStart = context => {
-        setState({currentTestName: context.getFullName()});
+        expect.setState({currentTestName: context.getFullName()});
         onStart && onStart.call(attr, context);
       };
       realSpec.call(this, attr);
@@ -117,7 +117,7 @@ export default ({
         : null,
     updateSnapshot,
   });
-  setState({snapshotState, testPath});
+  expect.setState({snapshotState, testPath});
   // Return it back to the outer scope (test runner outside the VM).
   return snapshotState;
 };
diff --git a/packages/jest-matcher-utils/src/index.js b/packages/jest-matcher-utils/src/index.js
index de39f05a01c0..03f0e6369826 100644
--- a/packages/jest-matcher-utils/src/index.js
+++ b/packages/jest-matcher-utils/src/index.js
@@ -9,7 +9,7 @@
 
 import chalk from 'chalk';
 import getType from 'jest-get-type';
-import prettyFormat, {plugins as prettyPlugins} from 'pretty-format';
+import prettyFormat from 'pretty-format';
 const {
   AsymmetricMatcher,
   DOMCollection,
@@ -17,7 +17,7 @@ const {
   Immutable,
   ReactElement,
   ReactTestComponent,
-} = prettyPlugins;
+} = prettyFormat.plugins;
 
 const PLUGINS = [
   ReactTestComponent,
diff --git a/packages/jest-snapshot/src/plugins.js b/packages/jest-snapshot/src/plugins.js
index 9452fa7ea229..8a3131ccc980 100644
--- a/packages/jest-snapshot/src/plugins.js
+++ b/packages/jest-snapshot/src/plugins.js
@@ -9,7 +9,7 @@
 
 import type {Plugin} from 'types/PrettyFormat';
 
-import {plugins as prettyPlugins} from 'pretty-format';
+import prettyFormat from 'pretty-format';
 import jestMockSerializer from './mock_serializer';
 
 const {
@@ -19,7 +19,7 @@ const {
   ReactElement,
   ReactTestComponent,
   AsymmetricMatcher,
-} = prettyPlugins;
+} = prettyFormat.plugins;
 
 let PLUGINS: Array<Plugin> = [
   ReactTestComponent,
diff --git a/packages/pretty-format/src/__tests__/AsymmetricMatcher.test.js b/packages/pretty-format/src/__tests__/AsymmetricMatcher.test.js
index 5b9e9db158d0..382ae6bb4270 100644
--- a/packages/pretty-format/src/__tests__/AsymmetricMatcher.test.js
+++ b/packages/pretty-format/src/__tests__/AsymmetricMatcher.test.js
@@ -9,9 +9,9 @@
 
 import type {OptionsReceived} from 'types/PrettyFormat';
 
-import prettyFormat, {plugins} from '../';
+import prettyFormat from '../';
 
-const {AsymmetricMatcher} = plugins;
+const {AsymmetricMatcher} = prettyFormat.plugins;
 let options: OptionsReceived;
 
 function fnNameFor(func) {
diff --git a/packages/pretty-format/src/__tests__/ConvertAnsi.test.js b/packages/pretty-format/src/__tests__/ConvertAnsi.test.js
index 65d5b4d79cc6..84000fdbb515 100644
--- a/packages/pretty-format/src/__tests__/ConvertAnsi.test.js
+++ b/packages/pretty-format/src/__tests__/ConvertAnsi.test.js
@@ -8,8 +8,9 @@
  */
 
 import ansiStyle from 'ansi-styles';
-import prettyFormat, {plugins} from '../';
-const {ConvertAnsi} = plugins;
+import prettyFormat from '../';
+
+const {ConvertAnsi} = prettyFormat.plugins;
 
 const prettyFormatResult = (val: string) =>
   prettyFormat(val, {
diff --git a/packages/pretty-format/src/__tests__/DOMCollection.test.js b/packages/pretty-format/src/__tests__/DOMCollection.test.js
index 2b3ee9200b50..fb027efc5b7d 100644
--- a/packages/pretty-format/src/__tests__/DOMCollection.test.js
+++ b/packages/pretty-format/src/__tests__/DOMCollection.test.js
@@ -11,9 +11,10 @@
 
 'use strict';
 
-import {plugins} from '../';
+import prettyFormat from '../';
 import getPrettyPrint from './getPrettyPrint';
-const {DOMCollection, DOMElement} = plugins;
+
+const {DOMCollection, DOMElement} = prettyFormat.plugins;
 const toPrettyPrintTo = getPrettyPrint([DOMCollection, DOMElement]);
 
 const expect: any = global.expect;
diff --git a/packages/pretty-format/src/__tests__/DOMElement.test.js b/packages/pretty-format/src/__tests__/DOMElement.test.js
index 448557e50117..231549b86e75 100644
--- a/packages/pretty-format/src/__tests__/DOMElement.test.js
+++ b/packages/pretty-format/src/__tests__/DOMElement.test.js
@@ -11,9 +11,10 @@
 
 'use strict';
 
-import prettyFormat, {plugins} from '../';
+import prettyFormat from '../';
 import getPrettyPrint from './getPrettyPrint';
-const {DOMElement} = plugins;
+
+const {DOMElement} = prettyFormat.plugins;
 const toPrettyPrintTo = getPrettyPrint([DOMElement]);
 
 const expect: any = global.expect;
diff --git a/packages/pretty-format/src/__tests__/Immutable.test.js b/packages/pretty-format/src/__tests__/Immutable.test.js
index a1809423d435..3c9a7151c063 100644
--- a/packages/pretty-format/src/__tests__/Immutable.test.js
+++ b/packages/pretty-format/src/__tests__/Immutable.test.js
@@ -11,10 +11,10 @@
 
 import React from 'react';
 import Immutable from 'immutable';
-import {plugins as prettyPlugins} from '..'
+import prettyFormat from '..'
 import getPrettyPrint from './getPrettyPrint';
 
-const {Immutable: ImmutablePlugin, ReactElement} = prettyPlugins;
+const {Immutable: ImmutablePlugin, ReactElement} = prettyFormat.plugins;
 
 const toPrettyPrintTo = getPrettyPrint([ReactElement, ImmutablePlugin]);
 
diff --git a/packages/pretty-format/src/__tests__/react.test.js b/packages/pretty-format/src/__tests__/react.test.js
index b952b8083bfc..e99d53b6cbeb 100644
--- a/packages/pretty-format/src/__tests__/react.test.js
+++ b/packages/pretty-format/src/__tests__/react.test.js
@@ -11,12 +11,12 @@ import type {OptionsReceived} from 'types/PrettyFormat';
 
 import React from 'react';
 import renderer from 'react-test-renderer';
-import prettyFormat, {plugins} from '../';
+import prettyFormat from '../';
 
 const elementSymbol = Symbol.for('react.element');
 const fragmentSymbol = Symbol.for('react.fragment');
 const testSymbol = Symbol.for('react.test.json');
-const {ReactElement, ReactTestComponent} = plugins;
+const {ReactElement, ReactTestComponent} = prettyFormat.plugins;
 
 const formatElement = (element: any, options?: OptionsReceived) =>
   prettyFormat(
diff --git a/packages/pretty-format/src/index.js b/packages/pretty-format/src/index.js
index ded981b495ff..46abdc4c5180 100644
--- a/packages/pretty-format/src/index.js
+++ b/packages/pretty-format/src/index.js
@@ -12,6 +12,7 @@ import type {
   Config,
   Options,
   OptionsReceived,
+  NewPlugin,
   Plugin,
   Plugins,
   Refs,
@@ -496,7 +497,7 @@ export default function prettyFormat(val: any, options?: OptionsReceived): strin
   return printComplexValue(val, getConfig(options), '', 0, []);
 }
 
-export const plugins = {
+const plugins: {[s: string]: NewPlugin} = {
   AsymmetricMatcher,
   ConvertAnsi,
   DOMCollection,
@@ -506,5 +507,5 @@ export const plugins = {
   ReactTestComponent,
 };
 
-// TODO: Remove at some point (currently breaks `dom-testing-library`)
+// TODO: Consider exporting as ESM
 prettyFormat.plugins = plugins;