diff --git a/app/javascript/mastodon/components/timeline_hint.jsx b/app/javascript/mastodon/components/timeline_hint.jsx
deleted file mode 100644
index ac9a79dcc..000000000
--- a/app/javascript/mastodon/components/timeline_hint.jsx
+++ /dev/null
@@ -1,18 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-import { FormattedMessage } from 'react-intl';
-
-const TimelineHint = ({ resource, url }) => (
-  <div className='timeline-hint'>
-    <strong><FormattedMessage id='timeline_hint.remote_resource_not_displayed' defaultMessage='{resource} from other servers are not displayed.' values={{ resource }} /></strong>
-    <br />
-    <a href={url} target='_blank' rel='noopener'><FormattedMessage id='account.browse_more_on_origin_server' defaultMessage='Browse more on the original profile' /></a>
-  </div>
-);
-
-TimelineHint.propTypes = {
-  resource: PropTypes.node.isRequired,
-  url: PropTypes.string.isRequired,
-};
-
-export default TimelineHint;
diff --git a/app/javascript/mastodon/components/timeline_hint.tsx b/app/javascript/mastodon/components/timeline_hint.tsx
new file mode 100644
index 000000000..712b4c293
--- /dev/null
+++ b/app/javascript/mastodon/components/timeline_hint.tsx
@@ -0,0 +1,27 @@
+import React from 'react';
+
+import { FormattedMessage } from 'react-intl';
+
+interface Props {
+  resource: JSX.Element;
+  url: string;
+}
+
+export const TimelineHint: React.FC<Props> = ({ resource, url }) => (
+  <div className='timeline-hint'>
+    <strong>
+      <FormattedMessage
+        id='timeline_hint.remote_resource_not_displayed'
+        defaultMessage='{resource} from other servers are not displayed.'
+        values={{ resource }}
+      />
+    </strong>
+    <br />
+    <a href={url} target='_blank' rel='noopener noreferrer'>
+      <FormattedMessage
+        id='account.browse_more_on_origin_server'
+        defaultMessage='Browse more on the original profile'
+      />
+    </a>
+  </div>
+);
diff --git a/app/javascript/mastodon/features/account_timeline/index.jsx b/app/javascript/mastodon/features/account_timeline/index.jsx
index 2a0530526..ce9485216 100644
--- a/app/javascript/mastodon/features/account_timeline/index.jsx
+++ b/app/javascript/mastodon/features/account_timeline/index.jsx
@@ -12,7 +12,7 @@ import ColumnBackButton from '../../components/column_back_button';
 import { List as ImmutableList } from 'immutable';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { FormattedMessage } from 'react-intl';
-import TimelineHint from 'mastodon/components/timeline_hint';
+import { TimelineHint } from 'mastodon/components/timeline_hint';
 import { me } from 'mastodon/initial_state';
 import LimitedAccountHint from './components/limited_account_hint';
 import { getAccountHidden } from 'mastodon/selectors';
diff --git a/app/javascript/mastodon/features/followers/index.jsx b/app/javascript/mastodon/features/followers/index.jsx
index cdd65c9ef..1a1fdf578 100644
--- a/app/javascript/mastodon/features/followers/index.jsx
+++ b/app/javascript/mastodon/features/followers/index.jsx
@@ -17,7 +17,7 @@ import Column from '../ui/components/column';
 import HeaderContainer from '../account_timeline/containers/header_container';
 import ColumnBackButton from '../../components/column_back_button';
 import ScrollableList from '../../components/scrollable_list';
-import TimelineHint from 'mastodon/components/timeline_hint';
+import { TimelineHint } from 'mastodon/components/timeline_hint';
 import LimitedAccountHint from '../account_timeline/components/limited_account_hint';
 import { getAccountHidden } from 'mastodon/selectors';
 import { normalizeForLookup } from 'mastodon/reducers/accounts_map';
diff --git a/app/javascript/mastodon/features/following/index.jsx b/app/javascript/mastodon/features/following/index.jsx
index 26dee213d..c024ff063 100644
--- a/app/javascript/mastodon/features/following/index.jsx
+++ b/app/javascript/mastodon/features/following/index.jsx
@@ -17,7 +17,7 @@ import Column from '../ui/components/column';
 import HeaderContainer from '../account_timeline/containers/header_container';
 import ColumnBackButton from '../../components/column_back_button';
 import ScrollableList from '../../components/scrollable_list';
-import TimelineHint from 'mastodon/components/timeline_hint';
+import { TimelineHint } from 'mastodon/components/timeline_hint';
 import LimitedAccountHint from '../account_timeline/components/limited_account_hint';
 import { getAccountHidden } from 'mastodon/selectors';
 import { normalizeForLookup } from 'mastodon/reducers/accounts_map';