diff --git a/src/server/BreCal/database/enums.py b/src/server/BreCal/database/enums.py
index a3c7de1..372b760 100644
--- a/src/server/BreCal/database/enums.py
+++ b/src/server/BreCal/database/enums.py
@@ -63,6 +63,3 @@ class ParticipantFlag(IntFlag):
     undefined = 0
     BSMD = 1
 
-    @classmethod
-    def _missing_(cls, value):
-        return cls.undefined