diff --git a/unittests/test_issues.py b/unittests/test_issues.py
index 98ea1a39a0f3540c9209076a637dfe35362965f7..6e77b0c7f26f4b2970203cfc4b8cc786fe24121b 100644
--- a/unittests/test_issues.py
+++ b/unittests/test_issues.py
@@ -68,18 +68,3 @@ def test_issue_10():
     assert records[0].parents[0].name == "TestRec"
     assert records[0].get_property("float_prop") is not None
     assert float(records[0].get_property("float_prop").value) == 4.0
-
-    
-def test_issue_23():
-    from caosdb.apiutils import merge_entities
-    import caosdb as db
-
-    ent1 = db.Record()
-    ent1.add_property(name="a", value=2)
-
-    ent2 = db.Record()
-    ent2.add_property(name="b", value=4)
-
-    merged = merge_entities(ent1, ent2)
-    assert merged.get_property("a").value == 2
-    assert merged.get_property("b").value == 4