diff --git a/nextjs/src/app/course/[courseName]/CalendarMonth.tsx b/nextjs/src/app/course/[courseName]/CalendarMonth.tsx
index ca12443..1c5c67c 100644
--- a/nextjs/src/app/course/[courseName]/CalendarMonth.tsx
+++ b/nextjs/src/app/course/[courseName]/CalendarMonth.tsx
@@ -1,4 +1,3 @@
-"use client";
 import { useState } from "react";
 import { CalendarMonthModel } from "./calendarMonthUtils";
 import { DayOfWeek, LocalCourse } from "@/models/local/localCourse";
diff --git a/nextjs/src/app/course/[courseName]/Day.tsx b/nextjs/src/app/course/[courseName]/Day.tsx
index 0744d95..d461ae4 100644
--- a/nextjs/src/app/course/[courseName]/Day.tsx
+++ b/nextjs/src/app/course/[courseName]/Day.tsx
@@ -1,8 +1,6 @@
-"use client";
-
 export default function Day({ day }: { day?: Date }) {
   const classes = "border rounded rounded-3 p-2 pb-4 m-1 ";
-  if (!day) return <div className={classes + ""}></div>;
+  if (!day) return <div className={classes + ""}>d</div>;
 
   return <div className={classes + " bg-slate-900"}>{day.getDate()}</div>;
 }
diff --git a/nextjs/src/app/course/[courseName]/calendarMonthUtils.ts b/nextjs/src/app/course/[courseName]/calendarMonthUtils.ts
index db67185..3223ae4 100644
--- a/nextjs/src/app/course/[courseName]/calendarMonthUtils.ts
+++ b/nextjs/src/app/course/[courseName]/calendarMonthUtils.ts
@@ -1,4 +1,3 @@
-"use client";
 export interface CalendarMonthModel {
   year: number;
   month: number;
@@ -17,7 +16,7 @@ const weeksInMonth = (year: number, month: number): number => {
   return weeks;
 };
 
-export const createCalendarMonth = (
+const createCalendarMonth = (
   year: number,
   month: number
 ): CalendarMonthModel => {