diff --git a/lib/storage/dataset-clients.js b/lib/storage/dataset-clients.js
index 2c5b0ae..04e9159 100644
--- a/lib/storage/dataset-clients.js
+++ b/lib/storage/dataset-clients.js
@@ -154,6 +154,10 @@ function upsertOrDeleteDatasetRecords(datasetId, datasetClientId, records, cb) {
     } else if (op === 'delete') {
       //remove the ref
       update['$pull'] = {'refs': datasetClientId};
+      if(datasetClientId && datasetClientId.length !==0){
+        // Remove set data to null as there are other refs already linked
+        delete update['$set'].data;
+      }
     }
     datasetRecordsCol.findOneAndUpdate({uid: record.uid}, update, {upsert: true, returnOriginal: false}, function(err, updated) {
       if (err) {