diff --git a/web/app.react.js b/web/app.react.js
--- a/web/app.react.js
+++ b/web/app.react.js
@@ -178,7 +178,7 @@
             <div className={css['main-content']}>{mainContent}</div>
           </div>
         </InputStateContainer>
-        <LeftLayoutAside setModal={this.props.setModal} />
+        <LeftLayoutAside />
       </div>
     );
   }
diff --git a/web/sidebar/community-picker.react.js b/web/sidebar/community-picker.react.js
--- a/web/sidebar/community-picker.react.js
+++ b/web/sidebar/community-picker.react.js
@@ -1,20 +1,21 @@
 // @flow
 
+import invariant from 'invariant';
 import * as React from 'react';
 
 import Button from '../components/button.react';
 import UserSettingsModal from '../modals/account/user-settings-modal.react.js';
+import { ModalContext } from '../modals/modal-provider.react';
 import SWMansionIcon from '../SWMansionIcon.react';
 import css from './community-picker.css';
 
-type Props = { +setModal: (modal: ?React.Node) => void };
-
-function CommunityPicker(props: Props): React.Node {
-  const { setModal } = props;
+function CommunityPicker(): React.Node {
+  const modalContext = React.useContext(ModalContext);
+  invariant(modalContext, 'ModalContext not found');
 
   const setModalToUserSettings = React.useCallback(() => {
-    setModal(<UserSettingsModal />);
-  }, [setModal]);
+    modalContext.setModal(<UserSettingsModal />);
+  }, [modalContext]);
 
   return (
     <div className={css.container}>
diff --git a/web/sidebar/left-layout-aside.react.js b/web/sidebar/left-layout-aside.react.js
--- a/web/sidebar/left-layout-aside.react.js
+++ b/web/sidebar/left-layout-aside.react.js
@@ -5,15 +5,11 @@
 import AppSwitcher from './app-switcher.react';
 import CommunityPicker from './community-picker.react';
 import css from './left-layout-aside.css';
-type Props = {
-  +setModal: (modal: ?React.Node) => void,
-};
 
-function LeftLayoutAside(props: Props): React.Node {
-  const { setModal } = props;
+function LeftLayoutAside(): React.Node {
   return (
     <aside className={css.container}>
-      <CommunityPicker setModal={setModal} />
+      <CommunityPicker />
       <AppSwitcher />
     </aside>
   );