diff --git a/native/chat/chat-thread-list.react.js b/native/chat/chat-thread-list.react.js
index 6c08ad846..945f68a5a 100644
--- a/native/chat/chat-thread-list.react.js
+++ b/native/chat/chat-thread-list.react.js
@@ -1,624 +1,612 @@
 // @flow
 
 import IonIcon from '@expo/vector-icons/Ionicons.js';
 import invariant from 'invariant';
 import * as React from 'react';
 import {
   View,
   FlatList,
   Platform,
   TouchableWithoutFeedback,
   BackHandler,
 } from 'react-native';
 import { FloatingAction } from 'react-native-floating-action';
 import Animated from 'react-native-reanimated';
 
 import { searchUsers as searchUsersEndpoint } from 'lib/actions/user-actions.js';
 import { useLoggedInUserInfo } from 'lib/hooks/account-hooks.js';
 import {
   type ChatThreadItem,
   useFlattenedChatListData,
 } from 'lib/selectors/chat-selectors.js';
 import { useGlobalThreadSearchIndex } from 'lib/selectors/nav-selectors.js';
 import { usersWithPersonalThreadSelector } from 'lib/selectors/user-selectors.js';
 import {
   createPendingThread,
   getThreadListSearchResults,
 } from 'lib/shared/thread-utils.js';
-import type { SetState } from 'lib/types/hook-types.js';
 import { threadTypes } from 'lib/types/thread-types-enum.js';
 import type { ThreadInfo } from 'lib/types/thread-types.js';
 import type { GlobalAccountUserInfo, UserInfo } from 'lib/types/user-types.js';
 import { useServerCall } from 'lib/utils/action-utils.js';
 
 import { ChatThreadListItem } from './chat-thread-list-item.react.js';
 import { getItemLayout, keyExtractor } from './chat-thread-list-utils.js';
 import type {
   ChatTopTabsNavigationProp,
   ChatNavigationProp,
 } from './chat.react.js';
 import { useNavigateToThread } from './message-list-types.js';
 import Button from '../components/button.react.js';
 import Search from '../components/search.react.js';
 import {
   SidebarListModalRouteName,
   HomeChatThreadListRouteName,
   BackgroundChatThreadListRouteName,
   type NavigationRoute,
 } from '../navigation/route-names.js';
 import type { TabNavigationProp } from '../navigation/tab-navigator.react.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { indicatorStyleSelector, useStyles } from '../themes/colors.js';
 import type { ScrollEvent } from '../types/react-native.js';
 import { AnimatedView, type AnimatedStyleObj } from '../types/styles.js';
 import { animateTowards } from '../utils/animation-utils.js';
 
 const floatingActions = [
   {
     text: 'Compose',
     icon: <IonIcon name="md-create" size={24} color="#FFFFFF" />,
     name: 'compose',
     position: 1,
   },
 ];
 
 /* eslint-disable import/no-named-as-default-member */
 const { Value, Node, interpolateNode, useValue } = Animated;
 /* eslint-enable import/no-named-as-default-member */
 
 export type Item =
   | ChatThreadItem
   | { +type: 'search', +searchText: string }
   | { +type: 'empty', +emptyItem: React.ComponentType<{}> };
 
 type BaseProps = {
   +navigation:
     | ChatTopTabsNavigationProp<'HomeChatThreadList'>
     | ChatTopTabsNavigationProp<'BackgroundChatThreadList'>,
   +route:
     | NavigationRoute<'HomeChatThreadList'>
     | NavigationRoute<'BackgroundChatThreadList'>,
   +filterThreads: (threadItem: ThreadInfo) => boolean,
   +emptyItem?: React.ComponentType<{}>,
 };
 type SearchStatus = 'inactive' | 'activating' | 'active';
 type Props = {
   ...BaseProps,
   // Redux state
   +searchText: string,
   +searchStatus: SearchStatus,
-  +setNumItemsToDisplay: SetState<number>,
   +searchCancelButtonOpen: Value,
-  +scrollPos: { current: number },
-  +hardwareBack: () => boolean,
   +chatThreadList: React.Node,
-  +onTabPress: () => void,
 };
 
 class ChatThreadList extends React.PureComponent<Props> {
   flatList: ?FlatList<Item>;
-  clearNavigationBlurListener: ?() => mixed;
 
   constructor(props: Props) {
     super(props);
   }
 
-  componentDidMount() {
-    this.clearNavigationBlurListener = this.props.navigation.addListener(
-      'blur',
-      () => {
-        this.props.setNumItemsToDisplay(25);
-      },
-    );
-
-    const chatNavigation: ?ChatNavigationProp<'ChatThreadList'> =
-      this.props.navigation.getParent();
-    invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
-    const tabNavigation: ?TabNavigationProp<'Chat'> =
-      chatNavigation.getParent();
-    invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
-    tabNavigation.addListener('tabPress', this.props.onTabPress);
-
-    BackHandler.addEventListener('hardwareBackPress', this.props.hardwareBack);
-  }
-
-  componentWillUnmount() {
-    this.clearNavigationBlurListener && this.clearNavigationBlurListener();
-
-    const chatNavigation: ?ChatNavigationProp<'ChatThreadList'> =
-      this.props.navigation.getParent();
-    invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
-    const tabNavigation: ?TabNavigationProp<'Chat'> =
-      chatNavigation.getParent();
-    invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
-    tabNavigation.removeListener('tabPress', this.props.onTabPress);
-
-    BackHandler.removeEventListener(
-      'hardwareBackPress',
-      this.props.hardwareBack,
-    );
-  }
-
   componentDidUpdate(prevProps: Props) {
     const { searchStatus } = this.props;
     const prevSearchStatus = prevProps.searchStatus;
 
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     const wasActiveOrActivating =
       prevSearchStatus === 'active' || prevSearchStatus === 'activating';
     if (isActiveOrActivating && !wasActiveOrActivating) {
       this.props.searchCancelButtonOpen.setValue(1);
     } else if (!isActiveOrActivating && wasActiveOrActivating) {
       this.props.searchCancelButtonOpen.setValue(0);
     }
 
     const { flatList } = this;
     if (!flatList) {
       return;
     }
 
     if (this.props.searchText !== prevProps.searchText) {
       flatList.scrollToOffset({ offset: 0, animated: false });
       return;
     }
 
     if (searchStatus === 'activating' && prevSearchStatus === 'inactive') {
       flatList.scrollToOffset({ offset: 0, animated: true });
     }
   }
 
   render() {
     return this.props.chatThreadList;
   }
 
   flatListRef = (flatList: ?FlatList<Item>) => {
     this.flatList = flatList;
   };
 }
 
 function ConnectedChatThreadList(props: BaseProps): React.Node {
   const boundChatListData = useFlattenedChatListData();
   const loggedInUserInfo = useLoggedInUserInfo();
   const threadSearchIndex = useGlobalThreadSearchIndex();
   const styles = useStyles(unboundStyles);
   const indicatorStyle = useSelector(indicatorStyleSelector);
   const callSearchUsers = useServerCall(searchUsersEndpoint);
   const usersWithPersonalThread = useSelector(usersWithPersonalThreadSelector);
 
   const navigateToThread = useNavigateToThread();
 
   const { navigation, route, filterThreads, emptyItem } = props;
 
   const [searchText, setSearchText] = React.useState<string>('');
   const [searchStatus, setSearchStatus] =
     React.useState<SearchStatus>('inactive');
 
   const [threadsSearchResults, setThreadsSearchResults] = React.useState<
     Set<string>,
   >(new Set());
 
   const [usersSearchResults, setUsersSearchResults] = React.useState<
     $ReadOnlyArray<GlobalAccountUserInfo>,
   >([]);
 
   const [openedSwipeableID, setOpenedSwipeableID] = React.useState<string>('');
   const [numItemsToDisplay, setNumItemsToDisplay] = React.useState<number>(25);
 
   const searchCancelButtonOpen: Value = useValue(0);
   const searchCancelButtonProgress: Node = React.useMemo(
     () => animateTowards(searchCancelButtonOpen, 100),
     [searchCancelButtonOpen],
   );
   const searchCancelButtonOffset: Node = React.useMemo(
     () =>
       interpolateNode(searchCancelButtonProgress, {
         inputRange: [0, 1],
         outputRange: [0, 56],
       }),
     [searchCancelButtonProgress],
   );
 
   const searchUsers = React.useCallback(
     async (usernamePrefix: string) => {
       if (usernamePrefix.length === 0) {
         return [];
       }
 
       const { userInfos } = await callSearchUsers(usernamePrefix);
       return userInfos.filter(
         info =>
           !usersWithPersonalThread.has(info.id) &&
           info.id !== loggedInUserInfo?.id,
       );
     },
     [callSearchUsers, loggedInUserInfo?.id, usersWithPersonalThread],
   );
 
   const onChangeSearchText = React.useCallback(
     async (updatedSearchText: string) => {
       const results = threadSearchIndex.getSearchResults(updatedSearchText);
       setSearchText(updatedSearchText);
       setThreadsSearchResults(new Set(results));
       setNumItemsToDisplay(25);
       const searchResults = await searchUsers(updatedSearchText);
       setUsersSearchResults(searchResults);
     },
     [searchUsers, threadSearchIndex],
   );
 
   const scrollPos = React.useRef(0);
 
   const onScroll = React.useCallback(
     (event: ScrollEvent) => {
       const oldScrollPos = scrollPos.current;
       scrollPos.current = event.nativeEvent.contentOffset.y;
       if (scrollPos.current !== 0 || oldScrollPos === 0) {
         return;
       }
       if (searchStatus === 'activating') {
         setSearchStatus('active');
       }
     },
     [searchStatus],
   );
 
   const onSwipeableWillOpen = React.useCallback(
     (threadInfo: ThreadInfo) => setOpenedSwipeableID(threadInfo.id),
     [],
   );
 
   const composeThread = React.useCallback(() => {
     if (!loggedInUserInfo) {
       return;
     }
     const threadInfo = createPendingThread({
       viewerID: loggedInUserInfo.id,
       threadType: threadTypes.PRIVATE,
       members: [loggedInUserInfo],
     });
     navigateToThread({ threadInfo, searching: true });
   }, [loggedInUserInfo, navigateToThread]);
 
   const onSearchFocus = React.useCallback(() => {
     if (searchStatus !== 'inactive') {
       return;
     }
     if (scrollPos.current === 0) {
       setSearchStatus('active');
     } else {
       setSearchStatus('activating');
     }
   }, [searchStatus]);
 
   const clearSearch = React.useCallback(() => {
     // TODO (atul): Scroll to top of flatList (animated: false)
     setSearchStatus('inactive');
   }, []);
 
   const onSearchBlur = React.useCallback(() => {
     if (searchStatus !== 'active') {
       return;
     }
     clearSearch();
   }, [clearSearch, searchStatus]);
 
   const onSearchCancel = React.useCallback(() => {
     onChangeSearchText('');
     clearSearch();
   }, [clearSearch, onChangeSearchText]);
 
   const animatedSearchBoxStyle: AnimatedStyleObj = React.useMemo(
     () => ({
       marginRight: searchCancelButtonOffset,
     }),
     [searchCancelButtonOffset],
   );
 
   const searchBoxStyle = React.useMemo(
     () => [styles.searchBox, animatedSearchBoxStyle],
     [animatedSearchBoxStyle, styles.searchBox],
   );
 
   const buttonStyle = React.useMemo(
     () => [
       styles.cancelSearchButtonText,
       { opacity: searchCancelButtonProgress },
     ],
     [searchCancelButtonProgress, styles.cancelSearchButtonText],
   );
 
   const searchInputRef = React.useRef();
   const renderSearch = React.useCallback(
     (additionalProps?: $Shape<React.ElementConfig<typeof Search>>) => (
       <View style={styles.searchContainer}>
         <Button
           onPress={onSearchCancel}
           disabled={searchStatus !== 'active'}
           style={styles.cancelSearchButton}
         >
           {/* eslint-disable react-native/no-raw-text */}
           <Animated.Text style={buttonStyle}>Cancel</Animated.Text>
           {/* eslint-enable react-native/no-raw-text */}
         </Button>
         <AnimatedView style={searchBoxStyle}>
           <Search
             searchText={searchText}
             onChangeText={onChangeSearchText}
             containerStyle={styles.search}
             onBlur={onSearchBlur}
             placeholder="Search chats"
             ref={searchInputRef}
             {...additionalProps}
           />
         </AnimatedView>
       </View>
     ),
     [
       buttonStyle,
       onChangeSearchText,
       onSearchBlur,
       onSearchCancel,
       searchBoxStyle,
       searchStatus,
       searchText,
       styles.cancelSearchButton,
       styles.search,
       styles.searchContainer,
     ],
   );
 
   const onPressItem = React.useCallback(
     (threadInfo: ThreadInfo, pendingPersonalThreadUserInfo?: UserInfo) => {
       onChangeSearchText('');
       if (searchInputRef.current) {
         searchInputRef.current.blur();
       }
       navigateToThread({ threadInfo, pendingPersonalThreadUserInfo });
     },
     [navigateToThread, onChangeSearchText],
   );
 
   const onPressSeeMoreSidebars = React.useCallback(
     (threadInfo: ThreadInfo) => {
       onChangeSearchText('');
       if (searchInputRef.current) {
         this.searchInputRef.current.blur();
       }
       navigation.navigate<'SidebarListModal'>({
         name: SidebarListModalRouteName,
         params: { threadInfo },
       });
     },
     [navigation, onChangeSearchText],
   );
 
   const hardwareBack = React.useCallback(() => {
     if (!navigation.isFocused()) {
       return false;
     }
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     if (!isActiveOrActivating) {
       return false;
     }
 
     onSearchCancel();
     return true;
   }, [navigation, onSearchCancel, searchStatus]);
 
   const renderItem = React.useCallback(
     (row: { item: Item, ... }) => {
       const item = row.item;
       if (item.type === 'search') {
         return (
           <TouchableWithoutFeedback onPress={onSearchFocus}>
             {renderSearch({ active: false })}
           </TouchableWithoutFeedback>
         );
       }
       if (item.type === 'empty') {
         const EmptyItem = item.emptyItem;
         return <EmptyItem />;
       }
       return (
         <ChatThreadListItem
           data={item}
           onPressItem={onPressItem}
           onPressSeeMoreSidebars={onPressSeeMoreSidebars}
           onSwipeableWillOpen={onSwipeableWillOpen}
           currentlyOpenedSwipeableId={openedSwipeableID}
         />
       );
     },
     [
       onPressItem,
       onPressSeeMoreSidebars,
       onSearchFocus,
       onSwipeableWillOpen,
       openedSwipeableID,
       renderSearch,
     ],
   );
 
   const listData: $ReadOnlyArray<Item> = React.useMemo(() => {
     const chatThreadItems = getThreadListSearchResults(
       boundChatListData,
       searchText,
       filterThreads,
       threadsSearchResults,
       usersSearchResults,
       loggedInUserInfo,
     );
 
     const chatItems: Item[] = [...chatThreadItems];
 
     if (emptyItem && chatItems.length === 0) {
       chatItems.push({ type: 'empty', emptyItem });
     }
 
     if (searchStatus === 'inactive' || searchStatus === 'activating') {
       chatItems.unshift({ type: 'search', searchText });
     }
 
     return chatItems;
   }, [
     boundChatListData,
     emptyItem,
     filterThreads,
     loggedInUserInfo,
     searchStatus,
     searchText,
     threadsSearchResults,
     usersSearchResults,
   ]);
 
   const partialListData: $ReadOnlyArray<Item> = React.useMemo(
     () => listData.slice(0, numItemsToDisplay),
     [listData, numItemsToDisplay],
   );
 
   const onEndReached = React.useCallback(() => {
     if (partialListData.length === listData.length) {
       return;
     }
     setNumItemsToDisplay(prevNumItems => prevNumItems + 25);
   }, [listData.length, partialListData.length]);
 
   const floatingAction = React.useMemo(() => {
     if (Platform.OS !== 'android') {
       return null;
     }
     return (
       <FloatingAction
         actions={floatingActions}
         overrideWithAction
         onPressItem={composeThread}
         color="#7e57c2"
       />
     );
   }, [composeThread]);
 
   const fixedSearch = React.useMemo(
     () =>
       searchStatus === 'active' ? renderSearch({ autoFocus: true }) : null,
     [renderSearch, searchStatus],
   );
 
   const scrollEnabled =
     searchStatus === 'inactive' || searchStatus === 'active';
   // viewerID is in extraData since it's used by MessagePreview
   // within ChatThreadListItem
   const viewerID = loggedInUserInfo?.id;
   const extraData = `${viewerID || ''} ${openedSwipeableID}`;
 
   const flatListRef = React.useRef();
   const chatThreadList = React.useMemo(
     () => (
       <View style={styles.container}>
         {fixedSearch}
         <FlatList
           data={partialListData}
           renderItem={renderItem}
           keyExtractor={keyExtractor}
           getItemLayout={getItemLayout}
           extraData={extraData}
           initialNumToRender={11}
           keyboardShouldPersistTaps="handled"
           onScroll={onScroll}
           style={styles.flatList}
           indicatorStyle={indicatorStyle}
           scrollEnabled={scrollEnabled}
           onEndReached={onEndReached}
           onEndReachedThreshold={1}
           ref={flatListRef}
         />
         {floatingAction}
       </View>
     ),
     [
       extraData,
       fixedSearch,
       floatingAction,
       indicatorStyle,
       onEndReached,
       onScroll,
       partialListData,
       renderItem,
       scrollEnabled,
       styles.container,
       styles.flatList,
     ],
   );
 
   const onTabPress = React.useCallback(() => {
     if (!navigation.isFocused()) {
       return;
     }
     if (scrollPos.current > 0 && flatListRef.current) {
       flatListRef.current.scrollToOffset({ offset: 0, animated: true });
     } else if (route.name === BackgroundChatThreadListRouteName) {
       navigation.navigate({ name: HomeChatThreadListRouteName });
     }
   }, [navigation, route.name]);
 
+  React.useEffect(() => {
+    const clearNavigationBlurListener = navigation.addListener('blur', () => {
+      setNumItemsToDisplay(25);
+    });
+
+    return () => {
+      // `.addListener` returns function that can be called to unsubscribe.
+      // https://reactnavigation.org/docs/navigation-events/#navigationaddlistener
+      clearNavigationBlurListener();
+    };
+  }, [navigation]);
+
+  React.useEffect(() => {
+    const chatNavigation: ?ChatNavigationProp<'ChatThreadList'> =
+      navigation.getParent();
+    invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
+    const tabNavigation: ?TabNavigationProp<'Chat'> =
+      chatNavigation.getParent();
+    invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
+
+    tabNavigation.addListener('tabPress', onTabPress);
+
+    return () => {
+      tabNavigation.removeListener('tabPress', onTabPress);
+    };
+  }, [navigation, onTabPress]);
+
+  React.useEffect(() => {
+    BackHandler.addEventListener('hardwareBackPress', hardwareBack);
+    return () => {
+      BackHandler.removeEventListener('hardwareBackPress', hardwareBack);
+    };
+  }, [hardwareBack]);
+
   return (
     <ChatThreadList
       navigation={navigation}
       route={route}
       filterThreads={filterThreads}
       emptyItem={emptyItem}
       searchText={searchText}
       searchStatus={searchStatus}
-      setNumItemsToDisplay={setNumItemsToDisplay}
       searchCancelButtonOpen={searchCancelButtonOpen}
-      scrollPos={scrollPos}
-      hardwareBack={hardwareBack}
       chatThreadList={chatThreadList}
-      onTabPress={onTabPress}
     />
   );
 }
 
 const unboundStyles = {
   icon: {
     fontSize: 28,
   },
   container: {
     flex: 1,
   },
   searchContainer: {
     backgroundColor: 'listBackground',
     display: 'flex',
     justifyContent: 'center',
     flexDirection: 'row',
   },
   searchBox: {
     flex: 1,
   },
   search: {
     marginBottom: 8,
     marginHorizontal: 18,
     marginTop: 16,
   },
   cancelSearchButton: {
     position: 'absolute',
     right: 0,
     top: 0,
     bottom: 0,
     display: 'flex',
     justifyContent: 'center',
   },
   cancelSearchButtonText: {
     color: 'link',
     fontSize: 16,
     paddingHorizontal: 16,
     paddingTop: 8,
   },
   flatList: {
     flex: 1,
     backgroundColor: 'listBackground',
   },
 };
 
 export default ConnectedChatThreadList;