diff --git a/Libraries/Experimental/IncrementalExample.js b/Libraries/Experimental/IncrementalExample.js
deleted file mode 100644
index cf94088afac..00000000000
--- a/Libraries/Experimental/IncrementalExample.js
+++ /dev/null
@@ -1,202 +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.
- *
- * @format
- * @flow
- */
-
-'use strict';
-
-const React = require('react');
-const ReactNative = require('react-native');
-const {
-  InteractionManager,
-  ScrollView,
-  StyleSheet,
-  Text,
-  TouchableOpacity,
-  View,
-} = ReactNative;
-
-const Incremental = require('./Incremental');
-const IncrementalGroup = require('./IncrementalGroup');
-const IncrementalPresenter = require('./IncrementalPresenter');
-
-const JSEventLoopWatchdog = require('../Interaction/JSEventLoopWatchdog');
-
-const performanceNow = require('fbjs/lib/performanceNow');
-
-InteractionManager.setDeadline(1000);
-JSEventLoopWatchdog.install({thresholdMS: 200});
-
-let totalWidgets = 0;
-
-class SlowWidget extends React.Component<
-  $FlowFixMeProps,
-  {
-    ctorTimestamp: number,
-    timeToMount: number,
-    ...
-  },
-> {
-  constructor(props, context) {
-    super(props, context);
-    this.state = {
-      ctorTimestamp: performanceNow(),
-      timeToMount: 0,
-    };
-  }
-  render() {
-    this.state.timeToMount === 0 && burnCPU(20);
-    return (
-      <View style={styles.widgetContainer}>
-        <Text style={styles.widgetText}>
-          {`${this.state.timeToMount || '?'} ms`}
-        </Text>
-      </View>
-    );
-  }
-  componentDidMount() {
-    const timeToMount = performanceNow() - this.state.ctorTimestamp;
-    this.setState({timeToMount});
-    totalWidgets++;
-  }
-}
-
-let imHandle;
-function startInteraction() {
-  imHandle = InteractionManager.createInteractionHandle();
-}
-function stopInteraction() {
-  InteractionManager.clearInteractionHandle(imHandle);
-}
-
-function Block(props: Object) {
-  const IncrementalContainer = props.stream
-    ? IncrementalGroup
-    : IncrementalPresenter;
-  return (
-    <IncrementalContainer name={'b_' + props.idx}>
-      <TouchableOpacity
-        onPressIn={startInteraction}
-        onPressOut={stopInteraction}>
-        <View style={styles.block}>
-          <Text>
-            {props.idx + ': ' + (props.stream ? 'Streaming' : 'Presented')}
-          </Text>
-          {props.children}
-        </View>
-      </TouchableOpacity>
-    </IncrementalContainer>
-  );
-}
-
-const Row = (props: Object) => <View style={styles.row} {...props} />;
-
-class IncrementalExample extends React.Component<mixed, {stats: ?Object, ...}> {
-  static title: string = '<Incremental*>';
-  static description: string =
-    'Enables incremental rendering of complex components.';
-  start: number;
-  constructor(props: mixed, context: mixed) {
-    super(props, context);
-    this.start = performanceNow();
-    this.state = {
-      stats: null,
-    };
-    (this: any)._onDone = this._onDone.bind(this);
-  }
-  _onDone() {
-    const onDoneElapsed = performanceNow() - this.start;
-    setTimeout(() => {
-      const stats = {
-        onDoneElapsed,
-        totalWidgets,
-        ...JSEventLoopWatchdog.getStats(),
-        setTimeoutElapsed: performanceNow() - this.start,
-      };
-      stats.avgStall = stats.totalStallTime / stats.stallCount;
-      this.setState({stats});
-      console.log('onDone:', stats);
-    }, 0);
-  }
-  render(): React.Node {
-    return (
-      <IncrementalGroup disabled={false} name="root" onDone={this._onDone}>
-        <ScrollView style={styles.scrollView}>
-          <Text style={styles.headerText}>
-            Press and hold on a row to pause rendering.
-          </Text>
-          {this.state.stats && (
-            <Text>Finished: {JSON.stringify(this.state.stats, null, 2)}</Text>
-          )}
-          {Array(8)
-            .fill()
-            .map((_, blockIdx) => {
-              return (
-                <Block key={blockIdx} idx={blockIdx} stream={blockIdx < 2}>
-                  {Array(4)
-                    .fill()
-                    .map((_b, rowIdx) => (
-                      <Row key={rowIdx}>
-                        {Array(14)
-                          .fill()
-                          .map((_c, widgetIdx) => (
-                            <Incremental
-                              key={widgetIdx}
-                              name={'w_' + widgetIdx}>
-                              <SlowWidget idx={widgetIdx} />
-                            </Incremental>
-                          ))}
-                      </Row>
-                    ))}
-                </Block>
-              );
-            })}
-        </ScrollView>
-      </IncrementalGroup>
-    );
-  }
-}
-
-function burnCPU(milliseconds) {
-  const start = performanceNow();
-  while (performanceNow() < start + milliseconds) {}
-}
-
-const styles = StyleSheet.create({
-  scrollView: {
-    margin: 10,
-    backgroundColor: 'white',
-    flex: 1,
-  },
-  headerText: {
-    fontSize: 20,
-    margin: 10,
-  },
-  block: {
-    borderRadius: 6,
-    borderWidth: 2,
-    borderColor: '#a52a2a',
-    padding: 14,
-    margin: 5,
-    backgroundColor: 'white',
-  },
-  row: {
-    flexDirection: 'row',
-  },
-  widgetContainer: {
-    backgroundColor: '#dddddd',
-    padding: 2,
-    margin: 2,
-  },
-  widgetText: {
-    color: 'black',
-    fontSize: 4,
-  },
-});
-
-module.exports = IncrementalExample;
diff --git a/Libraries/Experimental/IncrementalGroup.js b/Libraries/Experimental/IncrementalGroup.js
deleted file mode 100644
index 53f11d8d06f..00000000000
--- a/Libraries/Experimental/IncrementalGroup.js
+++ /dev/null
@@ -1,80 +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.
- *
- * @format
- * @flow
- */
-
-'use strict';
-
-const Incremental = require('./Incremental');
-const React = require('react');
-
-const PropTypes = require('prop-types');
-
-const infoLog = require('../Utilities/infoLog');
-
-let _groupCounter = -1;
-const DEBUG = false;
-
-import type {Props, Context} from './Incremental';
-
-/**
- * WARNING: EXPERIMENTAL. Breaking changes will probably happen a lot and will
- * not be reliably announced.  The whole thing might be deleted, who knows? Use
- * at your own risk.
- *
- * `<Incremental>` components must be wrapped in an `<IncrementalGroup>` (e.g.
- * via `<IncrementalPresenter>`) in order to provide the incremental group
- * context, otherwise they will do nothing.
- *
- * See Incremental.js for more info.
- */
-class IncrementalGroup extends React.Component<
-  Props & {disabled?: boolean, ...},
-> {
-  context: Context;
-  _groupInc: string;
-  UNSAFE_componentWillMount() {
-    this._groupInc = `g${++_groupCounter}-`;
-    DEBUG && infoLog('create IncrementalGroup with id ' + this.getGroupId());
-  }
-
-  getGroupId(): string {
-    const ctx = this.context.incrementalGroup;
-    const prefix = ctx ? ctx.groupId + ':' : '';
-    return prefix + this._groupInc + this.props.name;
-  }
-
-  getChildContext(): Context {
-    if (this.props.disabled || this.context.incrementalGroupEnabled === false) {
-      return {
-        incrementalGroupEnabled: false,
-        incrementalGroup: null,
-      };
-    }
-    return {
-      incrementalGroupEnabled: true,
-      incrementalGroup: {
-        groupId: this.getGroupId(),
-        incrementalCount: -1,
-      },
-    };
-  }
-
-  render(): React.Node {
-    return (
-      <Incremental onDone={this.props.onDone} children={this.props.children} />
-    );
-  }
-}
-IncrementalGroup.contextTypes = {
-  incrementalGroup: PropTypes.object,
-  incrementalGroupEnabled: PropTypes.bool,
-};
-IncrementalGroup.childContextTypes = IncrementalGroup.contextTypes;
-
-module.exports = IncrementalGroup;
diff --git a/Libraries/Experimental/IncrementalPresenter.js b/Libraries/Experimental/IncrementalPresenter.js
deleted file mode 100644
index 74e147e998b..00000000000
--- a/Libraries/Experimental/IncrementalPresenter.js
+++ /dev/null
@@ -1,102 +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.
- *
- * @format
- * @flow
- */
-
-'use strict';
-
-const IncrementalGroup = require('./IncrementalGroup');
-const PropTypes = require('prop-types');
-const React = require('react');
-const View = require('../Components/View/View');
-
-import type {ViewStyleProp} from '../StyleSheet/StyleSheet';
-import type {LayoutEvent} from '../Types/CoreEventTypes';
-import type {Context} from './Incremental';
-
-/**
- * WARNING: EXPERIMENTAL. Breaking changes will probably happen a lot and will
- * not be reliably announced.  The whole thing might be deleted, who knows? Use
- * at your own risk.
- *
- * `<IncrementalPresenter>` can be used to group sets of `<Incremental>` renders
- * such that they are initially invisible and removed from layout until all
- * descendants have finished rendering, at which point they are drawn all at once
- * so the UI doesn't jump around during the incremental rendering process.
- *
- * See Incremental.js for more info.
- */
-type Props = $ReadOnly<{|
-  name: string,
-  disabled?: boolean,
-  onDone?: () => mixed,
-  onLayout?: (event: LayoutEvent) => mixed,
-  style?: ViewStyleProp,
-  children?: React.Node,
-|}>;
-
-class IncrementalPresenter extends React.Component<Props> {
-  context: Context;
-  _isDone: boolean;
-
-  static contextTypes:
-    | any
-    | {|
-        incrementalGroup: React$PropType$Primitive<any>,
-        incrementalGroupEnabled: React$PropType$Primitive<boolean>,
-      |} = {
-    incrementalGroup: PropTypes.object,
-    incrementalGroupEnabled: PropTypes.bool,
-  };
-
-  constructor(props: Props, context: Context) {
-    super(props, context);
-    this._isDone = false;
-    (this: any).onDone = this.onDone.bind(this);
-  }
-  onDone() {
-    this._isDone = true;
-    if (
-      this.props.disabled !== true &&
-      this.context.incrementalGroupEnabled !== false
-    ) {
-      // Avoid expensive re-renders and use setNativeProps
-      this.refs.view.setNativeProps({
-        style: [this.props.style, {opacity: 1, position: 'relative'}],
-      });
-    }
-    this.props.onDone && this.props.onDone();
-  }
-  render(): React.Node {
-    let style: ViewStyleProp;
-    if (
-      this.props.disabled !== true &&
-      this.context.incrementalGroupEnabled !== false &&
-      !this._isDone
-    ) {
-      style = [this.props.style, {opacity: 0, position: 'absolute'}];
-    } else {
-      style = this.props.style;
-    }
-    return (
-      <IncrementalGroup
-        onDone={this.onDone}
-        name={this.props.name}
-        disabled={this.props.disabled}>
-        <View
-          children={this.props.children}
-          ref="view"
-          style={style}
-          onLayout={this.props.onLayout}
-        />
-      </IncrementalGroup>
-    );
-  }
-}
-
-module.exports = IncrementalPresenter;