diff --git a/components/calendar/calendar-client.tsx b/components/calendar/calendar-client.tsx
index 588cfa1..f28065c 100644
--- a/components/calendar/calendar-client.tsx
+++ b/components/calendar/calendar-client.tsx
@@ -73,7 +73,6 @@ const colorPalette = [
 ];
 
 interface CalendarWithMission extends Calendar {
-  missionId?: string | null;
   mission?: {
     id: string;
     creatorId: string;