diff --git a/js/components/datasets/datasetMoleculeView/datasetMoleculeView.js b/js/components/datasets/datasetMoleculeView/datasetMoleculeView.js
index e9b6ac1b0..93cf38334 100644
--- a/js/components/datasets/datasetMoleculeView/datasetMoleculeView.js
+++ b/js/components/datasets/datasetMoleculeView/datasetMoleculeView.js
@@ -461,7 +461,6 @@ const DatasetMoleculeView = memo(
       // #1249 dataset molecules currently could use side observation molecule for some renders
       const allMolecules = useSelector(state => state.apiReducers.all_mol_lists);
       const [pdbData, setPdbData] = useState(null);
-      const [isCustomPdb, setIsCustomPdb] = useState(false);
       const isPdbAvailable = !!(data && (data.pdb_info || pdbData));
 
       useEffect(() => {