diff --git a/tests/test_data_iter_postings.py b/tests/test_data_iter_postings.py
index 173922e449a97df1cc9c7d2690ea8e1093619ea8..33d871804e3f49132bd5caba76793de6749d6f07 100644
--- a/tests/test_data_iter_postings.py
+++ b/tests/test_data_iter_postings.py
@@ -33,9 +33,14 @@ def test_iter_postings(simple_txn):
         assert all(source[x] == post[x] for x in range(len(source) - 1))
         assert post.meta['note']  # Only works with PostingMeta
 
-def test_editing_metadata_edits_source(simple_txn):
+def test_setting_metadata_propagates_to_source(simple_txn):
     for index, post in enumerate(data.iter_postings(simple_txn)):
         post.meta['edited'] = str(index)
     for index, post in enumerate(simple_txn.postings):
         assert post.meta['edited'] == str(index)
         assert not isinstance(post.meta, data.PostingMeta)
+
+def test_deleting_metadata_propagates_to_source(simple_txn):
+    posts = list(data.iter_postings(simple_txn))
+    del posts[1].meta['extra']
+    assert 'extra' not in simple_txn.postings[1].meta