diff --git a/src/components/widgets/FileWidget.js b/src/components/widgets/FileWidget.js
index ebde274226..916bbea386 100644
--- a/src/components/widgets/FileWidget.js
+++ b/src/components/widgets/FileWidget.js
@@ -60,10 +60,6 @@ function extractFileInfo(dataURLs) {
 }
 
 class FileWidget extends Component {
-  defaultProps = {
-    multiple: false,
-  };
-
   constructor(props) {
     super(props);
     const { value } = props;