diff --git a/files/assets/js/comments_v.js b/files/assets/js/comments_v.js
index cac8a3217..79164016e 100644
--- a/files/assets/js/comments_v.js
+++ b/files/assets/js/comments_v.js
@@ -72,8 +72,8 @@ document.getElementById("reportCommentButton").onclick = function() {
 	xhr.withCredentials=true;
 
 	xhr.onload=function() {
-		document.getElementById("reportCommentFormBefore").classList.add('d-none');
-		document.getElementById("reportCommentFormAfter").classList.remove('d-none');
+		document.getElementById("reportCommentFormBefore").classList.add('hidden');
+		document.getElementById("reportCommentFormAfter").classList.remove('hidden');
 	};
 
 	xhr.onerror=function(){alert(errortext)};
@@ -84,7 +84,7 @@ document.getElementById("reportCommentButton").onclick = function() {
 
 function openReplyBox(id) {
 	const element = document.getElementById(`reply-to-${id}`);
-	element.classList.remove('d-none')
+	element.classList.remove('hidden')
 
 	element.getElementsByTagName('textarea')[0].focus()
 }
@@ -95,9 +95,9 @@ toggleEdit=function(id){
 	box=document.getElementById('comment-edit-body-'+id);
 	actions = document.getElementById('comment-' + id +'-actions');
 
-	comment.classList.toggle("d-none");
-	form.classList.toggle("d-none");
-	actions.classList.toggle("d-none");
+	comment.classList.toggle("hidden");
+	form.classList.toggle("hidden");
+	actions.classList.toggle("hidden");
 	autoExpand(box);
 };
 
diff --git a/files/assets/js/default.js b/files/assets/js/default.js
index 147d4a80f..09aa918c5 100644
--- a/files/assets/js/default.js
+++ b/files/assets/js/default.js
@@ -131,6 +131,6 @@ function post_toast2(url, button1, button2) {
 
 	xhr.send(form);
 
-	document.getElementById(button1).classList.toggle("d-none");
-	document.getElementById(button2).classList.toggle("d-none");
+	document.getElementById(button1).classList.toggle("hidden");
+	document.getElementById(button2).classList.toggle("hidden");
 }
diff --git a/files/assets/js/report_post_modal.js b/files/assets/js/report_post_modal.js
index ae784f2dd..e00785e07 100644
--- a/files/assets/js/report_post_modal.js
+++ b/files/assets/js/report_post_modal.js
@@ -16,8 +16,8 @@ report_postModal = function(id) {
 		xhr.withCredentials=true;
 
 		xhr.onload=function() {
-			document.getElementById("reportPostFormBefore").classList.add('d-none');
-			document.getElementById("reportPostFormAfter").classList.remove('d-none');
+			document.getElementById("reportPostFormBefore").classList.add('hidden');
+			document.getElementById("reportPostFormAfter").classList.remove('hidden');
 		};
 
 		xhr.onerror=function(){alert(errortext)};
diff --git a/files/assets/js/signup.js b/files/assets/js/signup.js
index 2d3bef819..9fcd149fe 100644
--- a/files/assets/js/signup.js
+++ b/files/assets/js/signup.js
@@ -7,11 +7,11 @@ document.addEventListener("DOMContentLoaded", function () {
 		var successID = document.getElementById("passwordHelpSuccess");
 
 		if (charCount.length >= 8) {
-			id.classList.add("d-none");
-			successID.classList.remove("d-none");
+			id.classList.add("hidden");
+			successID.classList.remove("hidden");
 		} else {
-			id.classList.remove("d-none");
-			successID.classList.add("d-none");
+			id.classList.remove("hidden");
+			successID.classList.add("hidden");
 		}
 	});
 
diff --git a/files/assets/js/submit.js b/files/assets/js/submit.js
index 0515f062a..a409b8863 100644
--- a/files/assets/js/submit.js
+++ b/files/assets/js/submit.js
@@ -82,10 +82,10 @@ hide_image=function(){
 	x=document.getElementById('image-upload-block');
 	url=document.getElementById('post-URL').value;
 	if (url.length>=1){
-		x.classList.add('d-none');
+		x.classList.add('hidden');
 	}
 	else {
-		x.classList.remove('d-none');
+		x.classList.remove('hidden');
 	}
 }
 
@@ -194,7 +194,7 @@ document.onpaste = function(event) {
 	{
 		f.files = files;
 		document.getElementById('filename-show').textContent = filename;
-		document.getElementById('urlblock').classList.add('d-none');
+		document.getElementById('urlblock').classList.add('hidden');
 		var fileReader = new FileReader();
 		fileReader.readAsDataURL(f.files[0]);
 		fileReader.addEventListener("load", function () {document.getElementById('image-preview').setAttribute('src', this.result);});  
@@ -205,7 +205,7 @@ document.onpaste = function(event) {
 
 document.getElementById('file-upload').addEventListener('change', function(){
 	f=document.getElementById('file-upload');
-	document.getElementById('urlblock').classList.add('d-none');
+	document.getElementById('urlblock').classList.add('hidden');
 	document.getElementById('filename-show').textContent = document.getElementById('file-upload').files[0].name;
 	filename = f.files[0].name.toLowerCase()
 	if (filename.endsWith(".jpg") || filename.endsWith(".jpeg") || filename.endsWith(".png") || filename.endsWith(".webp") || filename.endsWith(".webp"))
diff --git a/files/assets/js/userpage.js b/files/assets/js/userpage.js
index 2cc7d44e2..81bae0b93 100644
--- a/files/assets/js/userpage.js
+++ b/files/assets/js/userpage.js
@@ -59,9 +59,9 @@ function post_toast_callback(url, data, callback) {
 function toggleElement(group, id) {
 	for(let el of document.getElementsByClassName(group)) {
 		if(el.id != id) {
-			el.classList.add('d-none');
+			el.classList.add('hidden');
 		}
 	}
 
-	document.getElementById(id).classList.toggle('d-none');
+	document.getElementById(id).classList.toggle('hidden');
 }
\ No newline at end of file