diff --git a/src/components/views/dialogs/MessageEditHistoryDialog.js b/src/components/views/dialogs/MessageEditHistoryDialog.js
index 81a3732fe6..786f1f43a0 100644
--- a/src/components/views/dialogs/MessageEditHistoryDialog.js
+++ b/src/components/views/dialogs/MessageEditHistoryDialog.js
@@ -22,7 +22,7 @@ import sdk from "../../../index";
 import {wantsDateSeparator} from '../../../DateUtils';
 import SettingsStore from '../../../settings/SettingsStore';
 
-export default class MessageEditHistoryDialog extends React.Component {
+export default class MessageEditHistoryDialog extends React.PureComponent {
     static propTypes = {
         mxEvent: PropTypes.object.isRequired,
     };
diff --git a/src/components/views/elements/EditHistoryMessage.js b/src/components/views/elements/EditHistoryMessage.js
index a6cbfbdfd4..b4b87bd246 100644
--- a/src/components/views/elements/EditHistoryMessage.js
+++ b/src/components/views/elements/EditHistoryMessage.js
@@ -21,7 +21,7 @@ import {formatTime} from '../../../DateUtils';
 import {MatrixEvent} from 'matrix-js-sdk';
 import {pillifyLinks} from '../../../utils/pillify';
 
-export default class EditHistoryMessage extends React.Component {
+export default class EditHistoryMessage extends React.PureComponent {
     static propTypes = {
         // the message event being edited
         mxEvent: PropTypes.instanceOf(MatrixEvent).isRequired,