diff --git a/src/metabase/models/card.clj b/src/metabase/models/card.clj
index 32cf49b75ec59117b7c4d3dc97c17e1f1dd6b7af..891751cc300e10223d6001329bbffe0b1393e336 100644
--- a/src/metabase/models/card.clj
+++ b/src/metabase/models/card.clj
@@ -19,8 +19,7 @@
     :scalar
     :state
     :table
-    :timeseries
-    :xkcd})
+    :timeseries})
 
 (i/defentity Card :report_card)