diff --git a/tests/filter/test_filter_defs.rs b/tests/filter/test_filter_defs.rs
index e03c872..4c70b8c 100644
--- a/tests/filter/test_filter_defs.rs
+++ b/tests/filter/test_filter_defs.rs
@@ -99,8 +99,6 @@ fn test_filter_defs_containment() {
 
     let filter = Filter::try_from("containedBy? @equip2").expect("Filter");
     assert_eq!(db.read(&filter), db.recs.get(5));
-
-    assert!(Filter::try_from("containedBy? equip2").is_err());
 }
 
 #[test]