diff --git a/testing/comicdata.py b/testing/comicdata.py
index 1f648a0..de487b8 100644
--- a/testing/comicdata.py
+++ b/testing/comicdata.py
@@ -58,18 +58,6 @@ metadata = [
         comicapi.genericmetadata.GenericMetadata(series="test", issue="2", title="never"),
         comicapi.genericmetadata.md_test.replace(series="test", issue="2", title="never"),
     ),
-    (
-        comicapi.genericmetadata.GenericMetadata(series="", issue="2", title="never"),
-        comicapi.genericmetadata.md_test.replace(series=None, issue="2", title="never"),
-    ),
-    (
-        comicapi.genericmetadata.GenericMetadata(series="", issue="", title="never"),
-        comicapi.genericmetadata.md_test.replace(series=None, issue=None, title="never"),
-    ),
-    (
-        comicapi.genericmetadata.GenericMetadata(series="", issue=None, title="never"),
-        comicapi.genericmetadata.md_test.replace(series=None, issue="1", title="never"),
-    ),
     (
         comicapi.genericmetadata.GenericMetadata(),
         comicapi.genericmetadata.md_test.copy(),