diff --git a/firefox/hsrcheck.js b/firefox/hsrcheck.js
deleted file mode 100644
index 132ef44..0000000
--- a/firefox/hsrcheck.js
+++ /dev/null
@@ -1,67 +0,0 @@
-if (typeof browser === "undefined") {
-	browser = chrome;
-}
-
-const HSRHOSTS = [
-	{
-		apiHost: "sg-public-api.hoyolab.com",
-		page: "act.hoyolab.com/bbs/event/signin/hkrpg/index.html"
-	}
-];
-var currentHSRHosts = HSRHOSTS;
-
-function getCurrDay() {
-	var now = new Date();
-	now.setMinutes(now.getMinutes() + now.getTimezoneOffset());
-	now.setHours(now.getHours() + 8);
-	return Date.UTC(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0, 0);
-}
-
-function request(i, currDay) {
-	var host = currentHSRHosts[i];
-	if (typeof host === "undefined") {
-		currentHSRHosts = HSRHOSTS;
-		return;
-	}
-	fetch("https://" + host.apiHost + "/event/luna/os/sign", {
-		method : "POST",
-		headers: {
-			"Content-Type": "application/json"
-		},
-		credentials: "include",
-		body: JSON.stringify({
-			"act_id": "e202303301540311"
-		})
-	})
-	.then(response => response.json())
-	.then(data => {
-		if(data.retcode == 0 || data.retcode == -5003) {
-			browser.storage.local.set({hsr_lastCheked:  currDay});
-			currentHSRHosts = [host];
-		} else {
-			console.log("badrequest", data);
-			request(i + 1);
-		}
-	})
-	.catch(error => {
-		console.log("error", error);
-		request(i + 1);
-	});
-}
-
-function check() {
-	browser.storage.local.get({hsr_lastCheked: null}).then(storage => {
-		var currDay = getCurrDay();
-		if (storage.hsr_lastCheked != currDay) {
-			request(0, currDay);
-		}
-	});
-}
-
-browser.alarms.onAlarm.addListener(alarm => {
-	if (alarm.name == "hsr_checker") {
-		check();
-	}
-});
-
-browser.alarms.create("hsr_checker", {when: Date.now(), periodInMinutes: 1});
\ No newline at end of file