diff --git a/schemas/LitCal.json b/schemas/LitCal.json
index 162fa5b9..e8d147dd 100644
--- a/schemas/LitCal.json
+++ b/schemas/LitCal.json
@@ -57,8 +57,7 @@
                         "Ascension",
                         "CorpusChristi",
                         "Locale",
-                        "ReturnType",
-                        "NationalCalendar"
+                        "ReturnType"
                     ]
                 },
                 "Metadata": {