diff --git a/src/events.tsx b/src/events.tsx
index f28a57b3..efafeb44 100644
--- a/src/events.tsx
+++ b/src/events.tsx
@@ -1,6 +1,5 @@
-import { RRule } from "rrule";
+import { datetime, RRule } from "rrule";
 import { ProcessedEvent } from "./lib/types";
-import { convertDateToRRuleDate } from "./lib/helpers/generals";
 
 export const EVENTS: ProcessedEvent[] = [
   {
@@ -204,3 +203,13 @@ export const generateRandomEvents = (total = 300) => {
 
   return events;
 };
+
+function convertDateToRRuleDate(date: Date) {
+  return datetime(
+    date.getFullYear(),
+    date.getMonth() + 1,
+    date.getDate(),
+    date.getHours(),
+    date.getMinutes()
+  );
+}
diff --git a/src/lib/helpers/generals.tsx b/src/lib/helpers/generals.tsx
index 5abd37f4..2c246cd7 100644
--- a/src/lib/helpers/generals.tsx
+++ b/src/lib/helpers/generals.tsx
@@ -21,7 +21,6 @@ import {
   SchedulerProps,
 } from "../types";
 import { StateEvent } from "../views/Editor";
-import { datetime } from "rrule";
 
 export const getOneView = (state: Partial<SchedulerProps>): View => {
   if (state.month) {
@@ -126,16 +125,6 @@ export const differenceInDaysOmitTime = (start: Date, end: Date) => {
   return differenceInDays(endOfDay(addSeconds(end, -1)), startOfDay(start));
 };
 
-export const convertDateToRRuleDate = (date: Date) => {
-  return datetime(
-    date.getFullYear(),
-    date.getMonth() + 1,
-    date.getDate(),
-    date.getHours(),
-    date.getMinutes()
-  );
-};
-
 export const convertRRuleDateToDate = (rruleDate: Date) => {
   return new Date(
     rruleDate.getUTCFullYear(),
diff --git a/vite.config.js b/vite.config.js
index 3701c813..300be830 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -4,7 +4,7 @@ import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 import dts from "vite-plugin-dts";
 import tsconfigPaths from "vite-tsconfig-paths";
-import { peerDependencies } from "./package.json";
+import peerDepsExternal from "rollup-plugin-peer-deps-external";
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
@@ -15,6 +15,7 @@ export default defineConfig(() => ({
       configNames: ["tsconfig.json"],
     }),
     dts({ tsconfigPath: "./tsconfig.build.json" }),
+    peerDepsExternal(),
   ],
   server: {
     port: 3000,
@@ -31,17 +32,6 @@ export default defineConfig(() => ({
       name: "Scheduler",
       formats: ["es"],
     },
-    rollupOptions: {
-      external: (path) => {
-        const nodeModules = path.includes("node_modules");
-        const isPeer = Object.keys(peerDependencies).some((dep) => path.startsWith(dep));
-        const isExternal = nodeModules || isPeer;
-        return isExternal;
-      },
-      output: {
-        globals: (path) => path,
-      },
-    },
     copyPublicDir: false,
   },
   resolve: {