diff --git a/web/modals/threads/thread-settings-modal.react.js b/web/modals/threads/thread-settings-modal.react.js
index b1a8f681e..9872ce9eb 100644
--- a/web/modals/threads/thread-settings-modal.react.js
+++ b/web/modals/threads/thread-settings-modal.react.js
@@ -1,355 +1,338 @@
 // @flow
 
 import classNames from 'classnames';
 import invariant from 'invariant';
 import * as React from 'react';
 
 import {
   deleteThreadActionTypes,
   deleteThread,
   changeThreadSettingsActionTypes,
   changeThreadSettings,
 } from 'lib/actions/thread-actions';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors';
 import { threadInfoSelector } from 'lib/selectors/thread-selectors';
 import { threadHasPermission, robotextName } from 'lib/shared/thread-utils';
 import {
   type ThreadInfo,
   threadTypes,
-  assertThreadType,
   threadPermissions,
   type ThreadChanges,
 } from 'lib/types/thread-types';
 import {
   useDispatchActionPromise,
   useServerCall,
 } from 'lib/utils/action-utils';
 
 import Button from '../../components/button.react';
 import { useModalContext } from '../../modals/modal-provider.react';
 import { useSelector } from '../../redux/redux-utils';
 import Modal from '../modal.react';
 import ThreadSettingsDeleteTab from './thread-settings-delete-tab.react';
 import ThreadSettingsGeneralTab from './thread-settings-general-tab.react';
 import css from './thread-settings-modal.css';
 import ThreadSettingsPrivacyTab from './thread-settings-privacy-tab.react';
 
 type TabType = 'general' | 'privacy' | 'delete';
 type TabProps = {
   +name: string,
   +tabType: TabType,
   +selected: boolean,
   +onClick: (tabType: TabType) => void,
 };
 class Tab extends React.PureComponent<TabProps> {
   render() {
     const classNamesForTab = classNames({
       [css['current-tab']]: this.props.selected,
       [css['delete-tab']]:
         this.props.selected && this.props.tabType === 'delete',
     });
     return (
       <li className={classNamesForTab} onClick={this.onClick}>
         <a>{this.props.name}</a>
       </li>
     );
   }
 
   onClick = () => {
     return this.props.onClick(this.props.tabType);
   };
 }
 
 type BaseProps = {
   +threadID: string,
 };
 
 const deleteThreadLoadingStatusSelector = createLoadingStatusSelector(
   deleteThreadActionTypes,
 );
 const changeThreadSettingsLoadingStatusSelector = createLoadingStatusSelector(
   changeThreadSettingsActionTypes,
 );
 
 const ConnectedThreadSettingsModal: React.ComponentType<BaseProps> = React.memo<BaseProps>(
   function ConnectedThreadSettingsModal(props) {
     const changeInProgress = useSelector(
       state =>
         deleteThreadLoadingStatusSelector(state) === 'loading' ||
         changeThreadSettingsLoadingStatusSelector(state) === 'loading',
     );
     const viewerID = useSelector(
       state => state.currentUserInfo && state.currentUserInfo.id,
     );
     const userInfos = useSelector(state => state.userStore.userInfos);
     const callDeleteThread = useServerCall(deleteThread);
     const callChangeThreadSettings = useServerCall(changeThreadSettings);
     const dispatchActionPromise = useDispatchActionPromise();
     const threadInfo: ?ThreadInfo = useSelector(
       state => threadInfoSelector(state)[props.threadID],
     );
     const modalContext = useModalContext();
     const [errorMessage, setErrorMessage] = React.useState('');
     const [accountPassword, setAccountPassword] = React.useState('');
     const [currentTabType, setCurrentTabType] = React.useState<TabType>(
       'general',
     );
     const [queuedChanges, setQueuedChanges] = React.useState<ThreadChanges>(
       Object.freeze({}),
     );
 
     const namePlaceholder: string = React.useMemo(() => {
       invariant(threadInfo, 'threadInfo should exist in namePlaceholder');
       return robotextName(threadInfo, viewerID, userInfos);
     }, [threadInfo, userInfos, viewerID]);
 
     const changeQueued: boolean = React.useMemo(
       () =>
         Object.values(queuedChanges).some(v => v !== null && v !== undefined),
       [queuedChanges],
     );
 
-    const onChangeThreadType = React.useCallback(
-      (event: SyntheticEvent<HTMLInputElement>) => {
-        const uiValue = assertThreadType(
-          parseInt(event.currentTarget.value, 10),
-        );
-        setQueuedChanges(
-          Object.freeze({
-            ...queuedChanges,
-            type: uiValue !== threadInfo?.type ? uiValue : undefined,
-          }),
-        );
-      },
-      [queuedChanges, threadInfo?.type],
-    );
-
     const onChangeAccountPassword = React.useCallback(
       (event: SyntheticEvent<HTMLInputElement>) => {
         const target = event.currentTarget;
         setAccountPassword(target.value);
       },
       [],
     );
 
     const hasPermissionForTab = React.useCallback(
       (thread: ThreadInfo, tab: TabType) => {
         if (tab === 'general') {
           return threadHasPermission(
             thread,
             threadPermissions.EDIT_THREAD_NAME,
           );
         } else if (tab === 'privacy') {
           return threadHasPermission(
             thread,
             threadPermissions.EDIT_PERMISSIONS,
           );
         } else if (tab === 'delete') {
           return threadHasPermission(thread, threadPermissions.DELETE_THREAD);
         }
         invariant(false, `invalid tab: ${tab}`);
       },
       [],
     );
 
     const deleteThreadAction = React.useCallback(async () => {
       invariant(threadInfo, 'threadInfo should exist in deleteThreadAction');
       try {
         const response = await callDeleteThread(threadInfo.id, accountPassword);
         modalContext.popModal();
         return response;
       } catch (e) {
         setErrorMessage(
           e.message === 'invalid_credentials'
             ? 'wrong password'
             : 'unknown error',
         );
         setAccountPassword('');
         // TODO: accountPasswordInput.focus()
         // (once ref is moved up to functional component)
         throw e;
       }
     }, [accountPassword, callDeleteThread, modalContext, threadInfo]);
 
     const onDelete = React.useCallback(
       (event: SyntheticEvent<HTMLElement>) => {
         event.preventDefault();
         dispatchActionPromise(deleteThreadActionTypes, deleteThreadAction());
       },
       [deleteThreadAction, dispatchActionPromise],
     );
 
     const changeThreadSettingsAction = React.useCallback(async () => {
       invariant(
         threadInfo,
         'threadInfo should exist in changeThreadSettingsAction',
       );
       try {
         const response = await callChangeThreadSettings({
           threadID: threadInfo.id,
           changes: queuedChanges,
         });
         modalContext.popModal();
         return response;
       } catch (e) {
         setErrorMessage('unknown_error');
         setAccountPassword('');
         setCurrentTabType('general');
         setQueuedChanges(Object.freeze({}));
         // TODO: nameInput.focus()
         // (once ref is moved up to functional component)
         throw e;
       }
     }, [callChangeThreadSettings, modalContext, queuedChanges, threadInfo]);
 
     const onSubmit = React.useCallback(
       (event: SyntheticEvent<HTMLElement>) => {
         event.preventDefault();
         dispatchActionPromise(
           changeThreadSettingsActionTypes,
           changeThreadSettingsAction(),
         );
       },
       [changeThreadSettingsAction, dispatchActionPromise],
     );
 
     React.useEffect(() => {
       // TODO: nameInput.focus()
       // (once ref is moved up to functional component)
 
       if (
         threadInfo &&
         currentTabType !== 'general' &&
         !hasPermissionForTab(threadInfo, currentTabType)
       ) {
         setCurrentTabType('general');
       }
     }, [currentTabType, hasPermissionForTab, threadInfo]);
 
     if (!threadInfo) {
       return (
         <Modal onClose={modalContext.popModal} name="Invalid thread">
           <div className={css.modal_body}>
             <p>You no longer have permission to view this thread</p>
           </div>
         </Modal>
       );
     }
 
     const inputDisabled =
       changeInProgress || !hasPermissionForTab(threadInfo, currentTabType);
 
     let mainContent;
     if (currentTabType === 'general') {
       mainContent = (
         <ThreadSettingsGeneralTab
           inputDisabled={inputDisabled}
           threadInfo={threadInfo}
           threadNamePlaceholder={namePlaceholder}
           queuedChanges={queuedChanges}
           setQueuedChanges={setQueuedChanges}
         />
       );
     } else if (currentTabType === 'privacy') {
       mainContent = (
         <ThreadSettingsPrivacyTab
-          possiblyChangedThreadType={
-            queuedChanges['type'] ?? threadInfo['type']
-          }
-          onChangeThreadType={onChangeThreadType}
           inputDisabled={inputDisabled}
+          threadInfo={threadInfo}
+          queuedChanges={queuedChanges}
+          setQueuedChanges={setQueuedChanges}
         />
       );
     } else if (currentTabType === 'delete') {
       mainContent = (
         <ThreadSettingsDeleteTab
           accountPassword={accountPassword}
           onChangeAccountPassword={onChangeAccountPassword}
           inputDisabled={inputDisabled}
         />
       );
     }
 
     let buttons;
     if (currentTabType === 'delete') {
       buttons = (
         <Button onClick={onDelete} variant="danger" disabled={inputDisabled}>
           Delete
         </Button>
       );
     } else {
       buttons = (
         <Button
           type="submit"
           onClick={onSubmit}
           disabled={inputDisabled || !changeQueued}
           className={css.save_button}
         >
           Save
         </Button>
       );
     }
 
     const tabs = [
       <Tab
         name="General"
         tabType="general"
         onClick={setCurrentTabType}
         selected={currentTabType === 'general'}
         key="general"
       />,
     ];
 
     // This UI needs to be updated to handle sidebars but we haven't gotten
     // there yet. We'll probably end up ripping it out anyways, so for now we
     // are just hiding the privacy tab for any thread that was created as a
     // sidebar
     const canSeePrivacyTab =
       (queuedChanges['parentThreadID'] ?? threadInfo['parentThreadID']) &&
       threadInfo.sourceMessageID &&
       (threadInfo.type === threadTypes.COMMUNITY_OPEN_SUBTHREAD ||
         threadInfo.type === threadTypes.COMMUNITY_SECRET_SUBTHREAD);
 
     if (canSeePrivacyTab) {
       tabs.push(
         <Tab
           name="Privacy"
           tabType="privacy"
           onClick={setCurrentTabType}
           selected={currentTabType === 'privacy'}
           key="privacy"
         />,
       );
     }
 
     const canDeleteThread = hasPermissionForTab(threadInfo, 'delete');
     if (canDeleteThread) {
       tabs.push(
         <Tab
           name="Delete"
           tabType="delete"
           onClick={setCurrentTabType}
           selected={currentTabType === 'delete'}
           key="delete"
         />,
       );
     }
 
     return (
       <Modal name="Thread settings" onClose={modalContext.popModal}>
         <ul className={css.tab_panel}>{tabs}</ul>
         <div className={css.modal_body}>
           <form method="POST">
             {mainContent}
             <div className={css.form_footer}>
               {buttons}
               <div className={css.modal_form_error}>{errorMessage}</div>
             </div>
           </form>
         </div>
       </Modal>
     );
   },
 );
 
 export default ConnectedThreadSettingsModal;
diff --git a/web/modals/threads/thread-settings-privacy-tab.react.js b/web/modals/threads/thread-settings-privacy-tab.react.js
index e9cd22aa1..06a141760 100644
--- a/web/modals/threads/thread-settings-privacy-tab.react.js
+++ b/web/modals/threads/thread-settings-privacy-tab.react.js
@@ -1,73 +1,97 @@
 // @flow
 
 import * as React from 'react';
 
-import { threadTypeDescriptions } from 'lib/shared/thread-utils.js';
-import { threadTypes } from 'lib/types/thread-types.js';
+import { threadTypeDescriptions } from 'lib/shared/thread-utils';
+import { type SetState } from 'lib/types/hook-types';
+import {
+  type ThreadInfo,
+  type ThreadChanges,
+  assertThreadType,
+  threadTypes,
+} from 'lib/types/thread-types';
 
 import css from './thread-settings-privacy-tab.css';
+
 const { COMMUNITY_OPEN_SUBTHREAD, COMMUNITY_SECRET_SUBTHREAD } = threadTypes;
 
 type ThreadSettingsPrivacyTabProps = {
-  +possiblyChangedThreadType: number,
-  +onChangeThreadType: (event: SyntheticEvent<HTMLInputElement>) => void,
   +inputDisabled: boolean,
+  +threadInfo: ThreadInfo,
+  +queuedChanges: ThreadChanges,
+  +setQueuedChanges: SetState<ThreadChanges>,
 };
 function ThreadSettingsPrivacyTab(
   props: ThreadSettingsPrivacyTabProps,
 ): React.Node {
-  const {
-    possiblyChangedThreadType,
-    onChangeThreadType,
-    inputDisabled,
-  } = props;
+  const { inputDisabled, threadInfo, queuedChanges, setQueuedChanges } = props;
+
+  const onChangeThreadType = React.useCallback(
+    (event: SyntheticEvent<HTMLInputElement>) => {
+      const uiValue = assertThreadType(parseInt(event.currentTarget.value, 10));
+      setQueuedChanges(
+        Object.freeze({
+          ...queuedChanges,
+          type: uiValue !== threadInfo.type ? uiValue : undefined,
+        }),
+      );
+    },
+    [queuedChanges, setQueuedChanges, threadInfo.type],
+  );
+
   return (
     <div className={css.edit_thread_privacy_container}>
       <div className={css['modal-radio-selector']}>
         <div className={css.form_title}>Thread type</div>
         <div className={css.form_enum_selector}>
           <div className={css.form_enum_container}>
             <input
               type="radio"
               name="edit-thread-type"
               id="edit-thread-open"
               value={COMMUNITY_OPEN_SUBTHREAD}
-              checked={possiblyChangedThreadType === COMMUNITY_OPEN_SUBTHREAD}
+              checked={
+                (queuedChanges.type ?? threadInfo.type) ===
+                COMMUNITY_OPEN_SUBTHREAD
+              }
               onChange={onChangeThreadType}
               disabled={inputDisabled}
             />
             <div className={css.form_enum_option}>
               <label htmlFor="edit-thread-open">
                 Open
                 <span className={css.form_enum_description}>
                   {threadTypeDescriptions[COMMUNITY_OPEN_SUBTHREAD]}
                 </span>
               </label>
             </div>
           </div>
           <div className={css.form_enum_container}>
             <input
               type="radio"
               name="edit-thread-type"
               id="edit-thread-closed"
               value={COMMUNITY_SECRET_SUBTHREAD}
-              checked={possiblyChangedThreadType === COMMUNITY_SECRET_SUBTHREAD}
+              checked={
+                (queuedChanges.type ?? threadInfo.type) ===
+                COMMUNITY_SECRET_SUBTHREAD
+              }
               onChange={onChangeThreadType}
               disabled={inputDisabled}
             />
             <div className={css.form_enum_option}>
               <label htmlFor="edit-thread-closed">
                 Secret
                 <span className={css.form_enum_description}>
                   {threadTypeDescriptions[COMMUNITY_SECRET_SUBTHREAD]}
                 </span>
               </label>
             </div>
           </div>
         </div>
       </div>
     </div>
   );
 }
 
 export default ThreadSettingsPrivacyTab;