diff --git a/assets/js/calendar.js b/assets/js/calendar.js
index ffb3c7e..5aa9d6b 100644
--- a/assets/js/calendar.js
+++ b/assets/js/calendar.js
@@ -131,12 +131,6 @@ document.addEventListener('DOMContentLoaded', function() {
             else if (rruleStr.includes("FREQ=MONTHLY") && rruleStr.includes("BYDAY")) {
                 const bydayMatch = rruleStr.match(/BYDAY=([^;]+)/);
                 if (bydayMatch) {
-                    const intervalMatch = rruleStr.match(/INTERVAL=(\d+)/);
-                    const interval = intervalMatch ? parseInt(intervalMatch[1]) : 1;
-                    const monthsFromStart = (year - startDate.getFullYear()) * 12 + (month - startDate.getMonth());
-                    if (monthsFromStart < 0 || monthsFromStart % interval !== 0) {
-                        return [];
-                    }
                     const bydays = bydayMatch[1].split(',');
                     const dayMap = {
                         'MO': 1, 'TU': 2, 'WE': 3, 'TH': 4, 'FR': 5, 'SA': 6, 'SU': 0