diff --git a/client/components/App.vue b/client/components/App.vue
index f2ac5c4d..56ebe3b5 100644
--- a/client/components/App.vue
+++ b/client/components/App.vue
@@ -58,7 +58,6 @@ export default {
 		clearTimeout(this.dayChangeTimeout);
 	},
 	methods: {
-		isPublic: () => document.body.classList.contains("public"),
 		msUntilNextDay() {
 			// Compute how many milliseconds are remaining until the next day starts
 			const today = new Date();
diff --git a/client/js/socket-events/init.js b/client/js/socket-events/init.js
index e7265195..d4296257 100644
--- a/client/js/socket-events/init.js
+++ b/client/js/socket-events/init.js
@@ -6,7 +6,6 @@ const socket = require("../socket");
 const webpush = require("../webpush");
 const sidebar = $("#sidebar");
 const storage = require("../localStorage");
-const utils = require("../utils");
 const constants = require("../constants");
 const {vueApp, initChannel} = require("../vue");
 
@@ -54,9 +53,14 @@ socket.on("init", function(data) {
 	}
 
 	vueApp.$nextTick(() => openCorrectChannel(previousActive, data.active));
-
-	utils.confirmExit();
 	vueApp.synchronizeNotifiedState();
+
+	if (document.body.classList.contains("public")) {
+		window.addEventListener(
+			"beforeunload",
+			() => "Are you sure you want to navigate away from this page?"
+		);
+	}
 });
 
 function openCorrectChannel(clientActive, serverActive) {
diff --git a/client/js/utils.js b/client/js/utils.js
index 9c95df89..dfcbd52d 100644
--- a/client/js/utils.js
+++ b/client/js/utils.js
@@ -9,7 +9,6 @@ var serverHash = -1; // eslint-disable-line no-var
 module.exports = {
 	findCurrentNetworkChan,
 	serverHash,
-	confirmExit,
 	scrollIntoViewNicely,
 	hasRoleInChannel,
 	move,
@@ -42,14 +41,6 @@ function scrollIntoViewNicely(el) {
 	el.scrollIntoView({block: "center", inline: "nearest"});
 }
 
-function confirmExit() {
-	if ($(document.body).hasClass("public")) {
-		window.onbeforeunload = function() {
-			return "Are you sure you want to navigate away from this page?";
-		};
-	}
-}
-
 function move(array, old_index, new_index) {
 	if (new_index >= array.length) {
 		let k = new_index - array.length;