diff --git a/src/components/views/messages/MImageBody.tsx b/src/components/views/messages/MImageBody.tsx
index 74d15dd9b5..96c8652aee 100644
--- a/src/components/views/messages/MImageBody.tsx
+++ b/src/components/views/messages/MImageBody.tsx
@@ -316,7 +316,6 @@ export default class MImageBody extends React.Component<IProps, IState> {
     componentWillUnmount() {
         this.unmounted = true;
         this.context.removeListener('sync', this.onClientSync);
-        this._afterComponentWillUnmount();
 
         if (this.state.decryptedUrl) {
             URL.revokeObjectURL(this.state.decryptedUrl);
@@ -326,11 +325,6 @@ export default class MImageBody extends React.Component<IProps, IState> {
         }
     }
 
-    // To be overridden by subclasses (e.g. MStickerBody) for further
-    // cleanup after componentWillUnmount
-    _afterComponentWillUnmount() {
-    }
-
     protected messageContent(
         contentUrl: string,
         thumbUrl: string,