diff --git a/src/main/java/com/celnet/datadump/service/impl/CommonServiceImpl.java b/src/main/java/com/celnet/datadump/service/impl/CommonServiceImpl.java
index 1e31f05..aaa8614 100644
--- a/src/main/java/com/celnet/datadump/service/impl/CommonServiceImpl.java
+++ b/src/main/java/com/celnet/datadump/service/impl/CommonServiceImpl.java
@@ -583,17 +583,7 @@ public class CommonServiceImpl implements CommonService {
                 }
                 fields.add(field.getName());
             }
-            if ("Attachment".equals(api) || "FeedItem".equals(api)
-                    || "FeedComment".equals(api) || "Note".equals(api)) {
-                fields.add("Parent.type");
-            }
-            if ("Task".equals(api) || "Event".equals(api)) {
-                fields.add("Who.type");
-                fields.add("What.type");
-            }
-            if ("TaskRelation".equals(api) || "EventRelation".equals(api)) {
-                fields.add("Relation.type");
-            }
+
             DataObject dataObject = dataObjectService.getById(api);
             if (dataObject != null && StringUtils.isNotBlank(dataObject.getExtraField())) {
                 fields.addAll(Arrays.asList(StringUtils.split(dataObject.getExtraField().replaceAll(StringUtils.SPACE, StringUtils.EMPTY), ",")));