diff --git a/src/common/LineSeparator.js b/src/common/LineSeparator.js
index 9bc399d2ece..7db7a2f8e7f 100644
--- a/src/common/LineSeparator.js
+++ b/src/common/LineSeparator.js
@@ -5,7 +5,7 @@ import { View } from 'react-native';
 import type { ThemeColors } from '../styles';
 import { ThemeContext } from '../styles';
 
-export default class LineSeparator extends PureComponent<{}> {
+export default class LineSeparator extends PureComponent<{||}> {
   static contextType = ThemeContext;
   context: ThemeColors;
 
diff --git a/src/common/OptionDivider.js b/src/common/OptionDivider.js
index 501fa05a4ad..1e2285383b2 100644
--- a/src/common/OptionDivider.js
+++ b/src/common/OptionDivider.js
@@ -5,7 +5,7 @@ import { View } from 'react-native';
 import type { ThemeColors } from '../styles';
 import { ThemeContext } from '../styles';
 
-export default class OptionDivider extends PureComponent<{}> {
+export default class OptionDivider extends PureComponent<{||}> {
   static contextType = ThemeContext;
   context: ThemeColors;
 
diff --git a/src/common/SectionSeparator.js b/src/common/SectionSeparator.js
index b26cf6a965c..1e6f2ecdd4d 100644
--- a/src/common/SectionSeparator.js
+++ b/src/common/SectionSeparator.js
@@ -10,7 +10,7 @@ const styles = StyleSheet.create({
   },
 });
 
-export default class SectionSeparator extends PureComponent<{}> {
+export default class SectionSeparator extends PureComponent<{||}> {
   render() {
     return <View style={styles.separator} />;
   }
diff --git a/src/diagnostics/TimingScreen.js b/src/diagnostics/TimingScreen.js
index 97afee8a953..d57188e21f9 100644
--- a/src/diagnostics/TimingScreen.js
+++ b/src/diagnostics/TimingScreen.js
@@ -6,7 +6,7 @@ import { Screen } from '../common';
 import TimeItem from './TimeItem';
 import timing from '../utils/timing';
 
-export default class TimingScreen extends PureComponent<{}> {
+export default class TimingScreen extends PureComponent<{||}> {
   render() {
     return (
       <Screen title="Timing" scrollEnabled={false}>
diff --git a/src/diagnostics/VariablesScreen.js b/src/diagnostics/VariablesScreen.js
index a3c37b7b501..e68398a5f9a 100644
--- a/src/diagnostics/VariablesScreen.js
+++ b/src/diagnostics/VariablesScreen.js
@@ -6,7 +6,7 @@ import config from '../config';
 import { Screen } from '../common';
 import InfoItem from './InfoItem';
 
-export default class VariablesScreen extends PureComponent<{}> {
+export default class VariablesScreen extends PureComponent<{||}> {
   render() {
     const variables = {
       enableReduxLogging: config.enableReduxLogging,
diff --git a/src/main/MainScreenWithTabs.js b/src/main/MainScreenWithTabs.js
index 3638f4bfae7..81ac9a7199d 100644
--- a/src/main/MainScreenWithTabs.js
+++ b/src/main/MainScreenWithTabs.js
@@ -7,7 +7,7 @@ import { OfflineNotice, ZulipStatusBar } from '../common';
 import MainTabs from './MainTabs';
 import styles from '../styles';
 
-export default class MainScreenWithTabs extends PureComponent<{}> {
+export default class MainScreenWithTabs extends PureComponent<{||}> {
   context: Context;
 
   static contextTypes = {
diff --git a/src/message/AnnouncementOnly.js b/src/message/AnnouncementOnly.js
index 05a5a3354fd..bb9e3f9bcc8 100644
--- a/src/message/AnnouncementOnly.js
+++ b/src/message/AnnouncementOnly.js
@@ -5,7 +5,7 @@ import { View } from 'react-native';
 import { Label } from '../common';
 import styles from '../styles';
 
-class AnnouncementOnly extends PureComponent<{}> {
+class AnnouncementOnly extends PureComponent<{||}> {
   render() {
     return (
       <View style={styles.disabledComposeBox}>
diff --git a/src/start/CompatibilityScreen.js b/src/start/CompatibilityScreen.js
index 4df8cf7d57b..8cf984678cd 100644
--- a/src/start/CompatibilityScreen.js
+++ b/src/start/CompatibilityScreen.js
@@ -44,7 +44,7 @@ const GooglePlayBadge = () => (
   <Image style={styles.googlePlayBadge} source={googlePlayBadgePNG} resizeMode="contain" />
 );
 
-export default class CompatibilityScreen extends PureComponent<{}> {
+export default class CompatibilityScreen extends PureComponent<{||}> {
   storeURL =
     Platform.OS === 'ios'
       ? 'https://itunes.apple.com/app/zulip/id1203036395'
diff --git a/src/start/LoadingScreen.js b/src/start/LoadingScreen.js
index faa7eae1137..f1ae48e46d4 100644
--- a/src/start/LoadingScreen.js
+++ b/src/start/LoadingScreen.js
@@ -14,7 +14,7 @@ const styles = StyleSheet.create({
   },
 });
 
-export default class LoadingScreen extends PureComponent<{}> {
+export default class LoadingScreen extends PureComponent<{||}> {
   render() {
     return (
       <View style={styles.center}>
diff --git a/src/start/WelcomeHelpScreen.js b/src/start/WelcomeHelpScreen.js
index 5238b97afe0..872e16da3de 100644
--- a/src/start/WelcomeHelpScreen.js
+++ b/src/start/WelcomeHelpScreen.js
@@ -10,7 +10,7 @@ const styles = StyleSheet.create({
   },
 });
 
-export default class WelcomeHelpScreen extends PureComponent<{}> {
+export default class WelcomeHelpScreen extends PureComponent<{||}> {
   render() {
     return (
       <Screen title="Help" centerContent padding>