diff --git a/gramps/plugins/importer/importxml.py b/gramps/plugins/importer/importxml.py
index b92839bbf..ea0d71b54 100644
--- a/gramps/plugins/importer/importxml.py
+++ b/gramps/plugins/importer/importxml.py
@@ -966,6 +966,7 @@ class GrampsParser(UpdateCallback):
             del self.func_map
             del self.func_list
             del self.p
+            del self.update
         self.db.enable_signals()
         self.db.request_rebuild()
         return self.info