diff --git a/src/client/components/facet_results/ObjectList.js b/src/client/components/facet_results/ObjectList.js
index 77e135708b86977a6da1dc9d1f41b3ab9f4fb786..7df0d360befb0f19a7a8d3a205eea907b9317469 100644
--- a/src/client/components/facet_results/ObjectList.js
+++ b/src/client/components/facet_results/ObjectList.js
@@ -157,7 +157,6 @@ ObjectList.propTypes = {
   numberedList: PropTypes.bool.isRequired,
   expanded: PropTypes.bool.isRequired,
   columnId: PropTypes.string.isRequired,
-  addSource: PropTypes.func
 } ;
 
 export default withStyles(styles)(ObjectList);
diff --git a/src/client/components/perspectives/ManuscriptsPageTable.js b/src/client/components/perspectives/ManuscriptsPageTable.js
index ba8b1c2cc27236c8a0df937741f5bb7c3a636660..08004e7ec4055f851a4c889e6542d9c997b6379e 100644
--- a/src/client/components/perspectives/ManuscriptsPageTable.js
+++ b/src/client/components/perspectives/ManuscriptsPageTable.js
@@ -208,7 +208,6 @@ class ManuscriptsPageTable extends React.Component {
 ManuscriptsPageTable.propTypes = {
   classes: PropTypes.object.isRequired,
   data: PropTypes.object.isRequired,
-  addSource: PropTypes.func.isRequired
 };
 
 export default withStyles(styles)(ManuscriptsPageTable);