diff --git a/types/CalenderContext.d.ts b/types/CalenderContext.d.ts
index a4dddfa..d14e804 100644
--- a/types/CalenderContext.d.ts
+++ b/types/CalenderContext.d.ts
@@ -14,21 +14,8 @@ interface WeekDays {
   monday: DaysOfWeek;
 }
 
-type StickerVal = -2 | -1 | 0 | 1 | 2 | null;
-
-interface Sticker {
+interface MonthDay {
   date: Date;
-  sticker: StickerVal;
-}
-
-type StickerDays = Sticker[];
-
-interface MonthSticker {
-  date: Date;
-  month: Sticker[];
-}
-
-interface MonthDay extends Sticker {
   isOverflow: boolean;
   overflowDirection: "prev" | "next" | null;
 }
@@ -68,12 +55,6 @@ interface UpdateCalendarProps {
   day: number;
 }
 
-interface UpdateCalendarProps {
-  year: number;
-  month: number;
-  day: number;
-}
-
 interface CalenderContextState {
   selectedDate: Date;
   title: string;