diff --git a/src/python/WMCore/MicroService/MSUnmerged/MSUnmergedRSE.py b/src/python/WMCore/MicroService/MSUnmerged/MSUnmergedRSE.py
index 7ef3f6189e..4dfe742dc1 100644
--- a/src/python/WMCore/MicroService/MSUnmerged/MSUnmergedRSE.py
+++ b/src/python/WMCore/MicroService/MSUnmerged/MSUnmergedRSE.py
@@ -3,7 +3,6 @@
 Description: Provides a document Template for the MSUnmerged MicroServices
 """
 
-from pymongo import ReturnDocument
 from pymongo.errors  import NotMasterError
 # from pymongo.results import results as MongoResults