diff --git a/test/monger/test/inserting_test.clj b/test/monger/test/inserting_test.clj
index 2036b6e..607250d 100644
--- a/test/monger/test/inserting_test.clj
+++ b/test/monger/test/inserting_test.clj
@@ -89,6 +89,8 @@
     (is (= {:rps 10 :eps 20} (:record (mc/find-map-by-id collection id))))))
 
 (deftest test-insert-a-document-with-dbref
+  (mc/remove "widgets")
+  (mc/remove "owners")
   (let [coll1 "widgets"
         coll2 "owners"
         oid   (ObjectId.)