diff --git a/Libraries/YellowBox/YellowBox.js b/Libraries/YellowBox/YellowBox.js
deleted file mode 100644
index a43a849ed4a..00000000000
--- a/Libraries/YellowBox/YellowBox.js
+++ /dev/null
@@ -1,234 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow
- * @format
- */
-
-'use strict';
-
-const React = require('react');
-
-import type {Registry, IgnorePattern} from './Data/YellowBoxRegistry';
-import YellowBoxWarning from './Data/YellowBoxWarning';
-
-import * as LogBoxData from '../LogBox/Data/LogBoxData';
-import NativeLogBox from '../NativeModules/specs/NativeLogBox';
-
-type Props = $ReadOnly<{||}>;
-type State = {|
-  registry: ?Registry,
-|};
-
-let YellowBox;
-
-/**
- * YellowBox displays warnings at the bottom of the screen.
- *
- * Warnings help guard against subtle yet significant issues that can impact the
- * quality of the app. This "in your face" style of warning allows developers to
- * notice and correct these issues as quickly as possible.
- *
- * YellowBox is only enabled in `__DEV__`. Set the following flag to disable it:
- *
- *   console.disableYellowBox = true;
- *
- * Ignore specific warnings by calling:
- *
- *   LogBox.ignoreLogs(['Warning: ...']);
- *
- * Strings supplied to `LogBox.ignoreLogs` only need to be a substring of
- * the ignored warning messages.
- */
-if (__DEV__) {
-  const Platform = require('../Utilities/Platform');
-  const RCTLog = require('../Utilities/RCTLog');
-  const YellowBoxContainer = require('./YellowBoxContainer').default;
-  const LogBox = require('../LogBox/LogBox');
-  const YellowBoxRegistry = require('./Data/YellowBoxRegistry');
-  const LogBoxNotificationContainer = require('../LogBox/LogBoxNotificationContainer')
-    .default;
-
-  // YellowBox needs to insert itself early,
-  // in order to access the component stacks appended by React DevTools.
-  const {error, warn} = console;
-  let errorImpl = error;
-  let warnImpl = warn;
-  let _isLogBoxEnabled = false;
-  let _isInstalled = false;
-  (console: any).error = function(...args) {
-    errorImpl(...args);
-  };
-  (console: any).warn = function(...args) {
-    warnImpl(...args);
-  };
-
-  // eslint-disable-next-line no-shadow
-  YellowBox = class YellowBox extends React.Component<Props, State> {
-    static ignoreWarnings(patterns: $ReadOnlyArray<IgnorePattern>): void {
-      LogBoxData.addIgnorePatterns(patterns);
-      YellowBoxRegistry.addIgnorePatterns(patterns);
-    }
-
-    static install(): void {
-      if (_isLogBoxEnabled) {
-        LogBox.install();
-        return;
-      }
-      _isInstalled = true;
-
-      errorImpl = function(...args) {
-        registerError(...args);
-      };
-
-      warnImpl = function(...args) {
-        registerWarning(...args);
-      };
-
-      if ((console: any).disableYellowBox === true) {
-        YellowBoxRegistry.setDisabled(true);
-      }
-      (Object.defineProperty: any)(console, 'disableYellowBox', {
-        configurable: true,
-        get: () => YellowBoxRegistry.isDisabled(),
-        set: value => YellowBoxRegistry.setDisabled(value),
-      });
-
-      if (Platform.isTesting) {
-        (console: any).disableYellowBox = true;
-      }
-
-      RCTLog.setWarningHandler((...args) => {
-        registerWarning(...args);
-      });
-    }
-
-    static uninstall(): void {
-      if (_isLogBoxEnabled) {
-        LogBox.uninstall();
-        return;
-      }
-      _isInstalled = false;
-      errorImpl = error;
-      warnImpl = warn;
-      delete (console: any).disableYellowBox;
-    }
-
-    static __unstable_enableLogBox(): void {
-      if (NativeLogBox == null) {
-        // The native module is required to enable LogBox.
-        return;
-      }
-
-      if (_isInstalled) {
-        throw new Error(
-          'LogBox must be enabled before AppContainer is required so that it can properly wrap the console methods.\n\nPlease enable LogBox earlier in your app.\n\n',
-        );
-      }
-      _isLogBoxEnabled = true;
-
-      // TODO: Temporary hack to prevent cycles with the ExceptionManager.
-      global.__unstable_isLogBoxEnabled = true;
-    }
-
-    static __unstable_isLogBoxEnabled(): boolean {
-      return !!_isLogBoxEnabled;
-    }
-
-    render(): React.Node {
-      if (_isLogBoxEnabled) {
-        return <LogBoxNotificationContainer />;
-      }
-
-      // TODO: Ignore warnings that fire when rendering `YellowBox` itself.
-      return <YellowBoxContainer />;
-    }
-  };
-
-  const registerWarning = (...args): void => {
-    if (typeof args[0] === 'string' && args[0].startsWith('(ADVICE)')) {
-      return;
-    }
-
-    const {category, message, stack} = YellowBoxWarning.parse({
-      args,
-    });
-
-    if (!YellowBoxRegistry.isWarningIgnored(message)) {
-      YellowBoxRegistry.add({category, message, stack});
-      warn.call(console, ...args);
-    }
-  };
-
-  const registerError = (...args): void => {
-    // Only show YellowBox for the `warning` module, otherwise pass through and skip.
-    if (typeof args[0] !== 'string' || !args[0].startsWith('Warning: ')) {
-      error.call(console, ...args);
-      return;
-    }
-
-    const format = args[0].replace('Warning: ', '');
-    const filterResult = LogBoxData.checkWarningFilter(format);
-    if (filterResult.suppressCompletely) {
-      return;
-    }
-
-    args[0] = filterResult.finalFormat;
-    const {category, message, stack} = YellowBoxWarning.parse({
-      args,
-    });
-
-    if (YellowBoxRegistry.isWarningIgnored(message)) {
-      return;
-    }
-
-    if (filterResult.forceDialogImmediately === true) {
-      // This will pop a redbox. Do not downgrade. These are real bugs with same severity as throws.
-      error.call(console, message.content);
-    } else {
-      // Unfortunately, we need to add the Warning: prefix back so we don't show a redbox later.
-      args[0] = `Warning: ${filterResult.finalFormat}`;
-
-      // Note: YellowBox has no concept of "soft errors" so we're showing YellowBox for those.
-      YellowBoxRegistry.add({category, message, stack});
-      error.call(console, ...args);
-    }
-  };
-} else {
-  YellowBox = class extends React.Component<Props, State> {
-    static ignoreWarnings(patterns: $ReadOnlyArray<IgnorePattern>): void {
-      // Do nothing.
-    }
-
-    static install(): void {
-      // Do nothing.
-    }
-
-    static uninstall(): void {
-      // Do nothing.
-    }
-
-    static __unstable_enableLogBox(): void {
-      // Do nothing.
-    }
-    static __unstable_isLogBoxEnabled(): boolean {
-      return false;
-    }
-
-    render(): React.Node {
-      return null;
-    }
-  };
-}
-
-module.exports = (YellowBox: Class<React.Component<Props, State>> & {
-  ignoreWarnings($ReadOnlyArray<IgnorePattern>): void,
-  install(): void,
-  uninstall(): void,
-  __unstable_enableLogBox(): void,
-  __unstable_isLogBoxEnabled(): boolean,
-  ...
-});
diff --git a/Libraries/YellowBox/YellowBoxDeprecated.js b/Libraries/YellowBox/YellowBoxDeprecated.js
new file mode 100644
index 00000000000..46ba16eeeda
--- /dev/null
+++ b/Libraries/YellowBox/YellowBoxDeprecated.js
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+const React = require('react');
+
+const LogBox = require('../LogBox/LogBox');
+
+import type {IgnorePattern} from '../LogBox/Data/LogBoxData';
+
+type Props = $ReadOnly<{||}>;
+
+let YellowBox;
+if (__DEV__) {
+  YellowBox = class extends React.Component<Props> {
+    static ignoreWarnings(patterns: $ReadOnlyArray<IgnorePattern>): void {
+      console.warn(
+        'YellowBox has been replaced with LogBox. Please call LogBox.ignoreLogs() instead.',
+      );
+
+      LogBox.ignoreLogs(patterns);
+    }
+
+    static install(): void {
+      console.warn(
+        'YellowBox has been replaced with LogBox. Please call LogBox.install() instead.',
+      );
+      LogBox.install();
+    }
+
+    static uninstall(): void {
+      console.warn(
+        'YellowBox has been replaced with LogBox. Please call LogBox.uninstall() instead.',
+      );
+      LogBox.uninstall();
+    }
+
+    render(): React.Node {
+      return null;
+    }
+  };
+} else {
+  YellowBox = class extends React.Component<Props> {
+    static ignoreWarnings(patterns: $ReadOnlyArray<IgnorePattern>): void {
+      // Do nothing.
+    }
+
+    static install(): void {
+      // Do nothing.
+    }
+
+    static uninstall(): void {
+      // Do nothing.
+    }
+
+    render(): React.Node {
+      return null;
+    }
+  };
+}
+
+module.exports = (YellowBox: Class<React.Component<Props>> & {
+  ignoreWarnings($ReadOnlyArray<IgnorePattern>): void,
+  install(): void,
+  uninstall(): void,
+  ...
+});
diff --git a/Libraries/YellowBox/__tests__/YellowBox-test.js b/Libraries/YellowBox/__tests__/YellowBox-test.js
deleted file mode 100644
index e9a89f3fcdb..00000000000
--- a/Libraries/YellowBox/__tests__/YellowBox-test.js
+++ /dev/null
@@ -1,270 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @emails oncall+react_native
- * @format
- * @flow
- */
-
-'use strict';
-
-import * as React from 'react';
-const YellowBoxRegistry = require('../Data/YellowBoxRegistry');
-const LogBoxData = require('../../LogBox/Data/LogBoxData');
-const render = require('../../../jest/renderer');
-jest.mock('../../NativeModules/specs/NativeLogBox', () => true);
-jest.mock('../../LogBox/LogBoxNotificationContainer', () => ({
-  __esModule: true,
-  default: 'LogBoxNotificationContainer',
-}));
-
-type Overrides = {|
-  forceDialogImmediately?: boolean,
-  suppressDialog_LEGACY?: boolean,
-  suppressCompletely?: boolean,
-|};
-
-const setFilter = (options?: Overrides) => {
-  LogBoxData.setWarningFilter(format => ({
-    finalFormat: format,
-    forceDialogImmediately: false,
-    suppressDialog_LEGACY: false,
-    suppressCompletely: false,
-    monitorEvent: null,
-    monitorListVersion: 0,
-    monitorSampleRate: 0,
-    ...options,
-  }));
-};
-
-const install = () => {
-  const YellowBox = require('../YellowBox');
-  YellowBox.install();
-};
-
-const uninstall = () => {
-  const YellowBox = require('../YellowBox');
-  YellowBox.uninstall();
-};
-
-describe('YellowBox', () => {
-  const {error, warn} = console;
-  const mockError = jest.fn();
-  const mockWarn = jest.fn();
-
-  beforeEach(() => {
-    jest.resetModules();
-
-    mockError.mockClear();
-    mockWarn.mockClear();
-
-    (console: any).error = mockError;
-    (console: any).warn = mockWarn;
-  });
-
-  afterEach(() => {
-    uninstall();
-    (console: any).error = error;
-    (console: any).warn = warn;
-  });
-
-  it('can set `disableYellowBox` after installing', () => {
-    expect((console: any).disableYellowBox).toBe(undefined);
-
-    install();
-
-    expect((console: any).disableYellowBox).toBe(false);
-    expect(YellowBoxRegistry.isDisabled()).toBe(false);
-
-    (console: any).disableYellowBox = true;
-
-    expect((console: any).disableYellowBox).toBe(true);
-    expect(YellowBoxRegistry.isDisabled()).toBe(true);
-  });
-
-  it('can set `disableYellowBox` before installing', () => {
-    expect((console: any).disableYellowBox).toBe(undefined);
-
-    (console: any).disableYellowBox = true;
-    install();
-
-    expect((console: any).disableYellowBox).toBe(true);
-    expect(YellowBoxRegistry.isDisabled()).toBe(true);
-  });
-
-  it('registers warnings', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    install();
-
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    (console: any).warn('...');
-    expect(YellowBoxRegistry.add).toBeCalled();
-    expect(mockWarn).toBeCalledTimes(1);
-    expect(mockWarn).toBeCalledWith('...');
-  });
-
-  it('registers errors', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    install();
-
-    (console: any).error('...');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockError).toBeCalledTimes(1);
-    expect(mockError).toBeCalledWith('...');
-  });
-
-  it('skips ADVICE warnings', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    install();
-
-    (console: any).warn('(ADVICE) Ignore me');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockWarn).not.toBeCalled();
-  });
-
-  it('skips ignored warnings', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    install();
-
-    (YellowBoxRegistry: any).isWarningIgnored.mockReturnValue(true);
-    (console: any).warn('Ignore me');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockWarn).not.toBeCalled();
-  });
-
-  it('registers Warning module errors with default options to YellowBox', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    setFilter();
-    install();
-
-    (console: any).error('Warning: ...');
-    expect(YellowBoxRegistry.add).toBeCalled();
-    expect(mockError).toBeCalled();
-    expect(mockError).toBeCalledTimes(1);
-    expect(mockWarn).not.toBeCalled();
-  });
-
-  it('skips Warning module errors with forceDialogImmediately', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    setFilter({
-      suppressCompletely: true,
-    });
-    install();
-
-    (console: any).error('Warning: ...');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockError).not.toBeCalled();
-    expect(mockWarn).not.toBeCalled();
-  });
-
-  it('registers Warning errors with forceDialogImmediately as console.error (with interpolation)', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    setFilter({
-      forceDialogImmediately: true,
-    });
-
-    install();
-
-    (console: any).error('Warning: %s', 'Something');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockWarn).not.toBeCalled();
-    expect(mockError).toBeCalledTimes(1);
-
-    // We expect this to be the interpolated value because we don't do interpolation downstream.
-    // We also strip the "Warning" prefix, otherwise the redbox would be skipped downstream.
-    expect(mockError).toBeCalledWith('Something');
-  });
-
-  it('registers Warning errors with suppressDialog_LEGACY to YellowBox', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    setFilter({
-      suppressDialog_LEGACY: true,
-    });
-
-    install();
-
-    (console: any).error('Warning: Something');
-    expect(YellowBoxRegistry.add).toBeCalledTimes(1);
-    expect(mockWarn).not.toBeCalled();
-    expect(mockError).toBeCalledTimes(1);
-
-    // We cannot strip the "Warning" prefix or it would pop a redbox.
-    expect(mockError).toBeCalledWith('Warning: Something');
-  });
-
-  it('skips Warning errors sent to YellowBox but ignored by patterns', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-
-    setFilter({
-      suppressDialog_LEGACY: true,
-    });
-
-    install();
-    (YellowBoxRegistry: any).isWarningIgnored.mockReturnValue(true);
-
-    (console: any).error('Warning: ...');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(mockWarn).not.toBeCalled();
-    expect(mockError).not.toBeCalled();
-  });
-
-  it('if LogBox is enabled, installs and uninstalls LogBox', () => {
-    jest.mock('../../LogBox/Data/LogBoxData');
-    jest.mock('../Data/YellowBoxRegistry');
-    const YellowBox = require('../YellowBox');
-    YellowBox.__unstable_enableLogBox();
-    install();
-
-    (console: any).warn('Some warning');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(LogBoxData.addLog).toBeCalled();
-    expect(require('../YellowBox').__unstable_isLogBoxEnabled()).toBe(true);
-
-    uninstall();
-    (LogBoxData.addLog: any).mockClear();
-
-    (console: any).warn('Some warning');
-    expect(YellowBoxRegistry.add).not.toBeCalled();
-    expect(LogBoxData.addLog).not.toBeCalled();
-    expect(YellowBox.__unstable_isLogBoxEnabled()).toBe(true);
-  });
-
-  it('throws if LogBox is enabled after YellowBox is installed', () => {
-    jest.mock('../Data/YellowBoxRegistry');
-    const YellowBox = require('../YellowBox');
-    install();
-
-    expect(() => YellowBox.__unstable_enableLogBox()).toThrow(
-      'LogBox must be enabled before AppContainer is required so that it can properly wrap the console methods.\n\nPlease enable LogBox earlier in your app.\n\n',
-    );
-  });
-
-  it('should render YellowBoxContainer by default', () => {
-    const YellowBox = require('../YellowBox');
-
-    const output = render.shallowRender(<YellowBox />);
-
-    expect(output).toMatchSnapshot();
-  });
-
-  it('should render LogBoxNotificationContainer when LogBox is enabled', () => {
-    const YellowBox = require('../YellowBox');
-
-    YellowBox.__unstable_enableLogBox();
-
-    const output = render.shallowRender(<YellowBox />);
-
-    expect(output).toMatchSnapshot();
-  });
-});
diff --git a/Libraries/YellowBox/__tests__/YellowBoxDeprecated-test.js b/Libraries/YellowBox/__tests__/YellowBoxDeprecated-test.js
new file mode 100644
index 00000000000..4adadb6e87f
--- /dev/null
+++ b/Libraries/YellowBox/__tests__/YellowBoxDeprecated-test.js
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails oncall+react_native
+ * @format
+ * @flow
+ */
+
+'use strict';
+
+const LogBox = require('../../LogBox/LogBox');
+const YellowBox = require('../YellowBoxDeprecated');
+
+describe('YellowBox', () => {
+  beforeEach(() => {
+    jest.restoreAllMocks();
+  });
+  it('calling ignoreWarnings proxies to LogBox.ignoreLogs', () => {
+    jest.spyOn(LogBox, 'ignoreLogs');
+    jest.spyOn(console, 'warn').mockImplementation(() => {});
+    YellowBox.ignoreWarnings(['foo']);
+
+    expect(LogBox.ignoreLogs).toBeCalledWith(['foo']);
+    expect(console.warn).toBeCalledWith(
+      'YellowBox has been replaced with LogBox. Please call LogBox.ignoreLogs() instead.',
+    );
+  });
+
+  it('calling install proxies to LogBox.install', () => {
+    jest.spyOn(LogBox, 'install');
+    jest.spyOn(console, 'warn').mockImplementation(() => {});
+    YellowBox.install();
+
+    expect(LogBox.install).toBeCalled();
+    expect(console.warn).toBeCalledWith(
+      'YellowBox has been replaced with LogBox. Please call LogBox.install() instead.',
+    );
+  });
+
+  it('calling uninstall proxies to LogBox.uninstall', () => {
+    jest.spyOn(LogBox, 'uninstall');
+    jest.spyOn(console, 'warn').mockImplementation(() => {});
+    YellowBox.uninstall();
+
+    expect(LogBox.uninstall).toBeCalled();
+    expect(console.warn).toBeCalledWith(
+      'YellowBox has been replaced with LogBox. Please call LogBox.uninstall() instead.',
+    );
+  });
+});
diff --git a/Libraries/YellowBox/__tests__/__snapshots__/YellowBox-test.js.snap b/Libraries/YellowBox/__tests__/__snapshots__/YellowBox-test.js.snap
deleted file mode 100644
index 974f032a963..00000000000
--- a/Libraries/YellowBox/__tests__/__snapshots__/YellowBox-test.js.snap
+++ /dev/null
@@ -1,5 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`YellowBox should render LogBoxNotificationContainer when LogBox is enabled 1`] = `<LogBoxNotificationContainer />`;
-
-exports[`YellowBox should render YellowBoxContainer by default 1`] = `<YellowBoxContainer />`;
diff --git a/index.js b/index.js
index d0660e6de5d..a8cdf3a5dc0 100644
--- a/index.js
+++ b/index.js
@@ -86,7 +86,7 @@ import typeof useColorScheme from './Libraries/Utilities/useColorScheme';
 import typeof useWindowDimensions from './Libraries/Utilities/useWindowDimensions';
 import typeof UTFSequence from './Libraries/UTFSequence';
 import typeof Vibration from './Libraries/Vibration/Vibration';
-import typeof YellowBox from './Libraries/YellowBox/YellowBox';
+import typeof YellowBox from './Libraries/YellowBox/YellowBoxDeprecated';
 import typeof LogBox from './Libraries/LogBox/LogBox';
 import typeof RCTDeviceEventEmitter from './Libraries/EventEmitter/RCTDeviceEventEmitter';
 import typeof RCTNativeAppEventEmitter from './Libraries/EventEmitter/RCTNativeAppEventEmitter';
@@ -439,7 +439,7 @@ module.exports = {
     return require('./Libraries/Vibration/Vibration');
   },
   get YellowBox(): YellowBox {
-    return require('./Libraries/YellowBox/YellowBox');
+    return require('./Libraries/YellowBox/YellowBoxDeprecated');
   },
 
   // Plugins
@@ -467,9 +467,11 @@ module.exports = {
     return require('./Libraries/ReactNative/RootTagContext');
   },
   get unstable_enableLogBox(): () => void {
-    return require('./Libraries/YellowBox/YellowBox').__unstable_enableLogBox;
+    return () =>
+      console.warn(
+        'LogBox is enabled by default so there is no need to call unstable_enableLogBox() anymore. This is a no op and will be removed in the next version.',
+      );
   },
-
   // Prop Types
   get ColorPropType(): DeprecatedColorPropType {
     return require('./Libraries/DeprecatedPropTypes/DeprecatedColorPropType');