diff --git a/templates/admin/self_check.tmpl b/templates/admin/self_check.tmpl
index 6bca01ec6..fafaf9242 100644
--- a/templates/admin/self_check.tmpl
+++ b/templates/admin/self_check.tmpl
@@ -20,7 +20,7 @@
 			{{if .DatabaseCheckInconsistentCollationColumns}}
 				<div class="ui red message">
 					{{ctx.Locale.Tr "admin.self_check.database_inconsistent_collation_columns" .DatabaseCheckResult.DatabaseCollation}}
-					<ul class="gt-w-full">
+					<ul class="tw-w-full">
 					{{range .DatabaseCheckInconsistentCollationColumns}}
 						<li>{{.}}</li>
 					{{end}}
diff --git a/templates/base/head_navbar.tmpl b/templates/base/head_navbar.tmpl
index fb0301aeb..06fc5913d 100644
--- a/templates/base/head_navbar.tmpl
+++ b/templates/base/head_navbar.tmpl
@@ -13,14 +13,14 @@
 		<!-- mobile right menu, it must be here because in mobile view, each item is a flex column, the first item is a full row column -->
 		<div class="ui secondary menu item navbar-mobile-right">
 			{{if .IsSigned}}
-			<a id="mobile-notifications-icon" class="item gt-w-auto gt-p-3" href="{{AppSubUrl}}/notifications" data-tooltip-content="{{ctx.Locale.Tr "notifications"}}" aria-label="{{ctx.Locale.Tr "notifications"}}">
+			<a id="mobile-notifications-icon" class="item tw-w-auto gt-p-3" href="{{AppSubUrl}}/notifications" data-tooltip-content="{{ctx.Locale.Tr "notifications"}}" aria-label="{{ctx.Locale.Tr "notifications"}}">
 				<div class="gt-relative">
 					{{svg "octicon-bell"}}
 					<span class="notification_count{{if not $notificationUnreadCount}} gt-hidden{{end}}">{{$notificationUnreadCount}}</span>
 				</div>
 			</a>
 			{{end}}
-			<button class="item gt-w-auto ui icon mini button gt-p-3 gt-m-0" id="navbar-expand-toggle" aria-label="{{ctx.Locale.Tr "toggle_menu"}}">{{svg "octicon-three-bars"}}</button>
+			<button class="item tw-w-auto ui icon mini button gt-p-3 gt-m-0" id="navbar-expand-toggle" aria-label="{{ctx.Locale.Tr "toggle_menu"}}">{{svg "octicon-three-bars"}}</button>
 		</div>
 
 		<!-- navbar links non-mobile -->
diff --git a/templates/devtest/fomantic-modal.tmpl b/templates/devtest/fomantic-modal.tmpl
index eda169a04..0b4199a19 100644
--- a/templates/devtest/fomantic-modal.tmpl
+++ b/templates/devtest/fomantic-modal.tmpl
@@ -5,7 +5,7 @@
 	<div id="test-modal-form-1" class="ui mini modal">
 		<div class="header">Form dialog (layout 1)</div>
 		<form class="content" method="post">
-			<div class="ui input gt-w-full"><input name="user_input"></div>
+			<div class="ui input tw-w-full"><input name="user_input"></div>
 			{{template "base/modal_actions_confirm" (dict "ModalButtonTypes" "confirm")}}
 		</form>
 	</div>
@@ -14,7 +14,7 @@
 		<div class="header">Form dialog (layout 2)</div>
 		<form method="post">
 			<div class="content">
-				<div class="ui input gt-w-full"><input name="user_input"></div>
+				<div class="ui input tw-w-full"><input name="user_input"></div>
 				{{template "base/modal_actions_confirm" (dict "ModalButtonTypes" "confirm")}}
 			</div>
 		</form>
@@ -24,7 +24,7 @@
 		<div class="header">Form dialog (layout 3)</div>
 		<form method="post">
 			<div class="content">
-				<div class="ui input gt-w-full"><input name="user_input"></div>
+				<div class="ui input tw-w-full"><input name="user_input"></div>
 			</div>
 			{{template "base/modal_actions_confirm" (dict "ModalButtonTypes" "confirm")}}
 		</form>
@@ -33,7 +33,7 @@
 	<div id="test-modal-form-4" class="ui mini modal">
 		<div class="header">Form dialog (layout 4)</div>
 		<div class="content">
-			<div class="ui input gt-w-full"><input name="user_input"></div>
+			<div class="ui input tw-w-full"><input name="user_input"></div>
 		</div>
 		<form method="post">
 			{{template "base/modal_actions_confirm" (dict "ModalButtonTypes" "confirm")}}
diff --git a/templates/repo/diff/box.tmpl b/templates/repo/diff/box.tmpl
index 9dcc59cea..1a78c4e8b 100644
--- a/templates/repo/diff/box.tmpl
+++ b/templates/repo/diff/box.tmpl
@@ -206,7 +206,7 @@
 							{{if $showFileViewToggle}}
 								{{/* for image or CSV, it can have a horizontal scroll bar, there won't be review comment context menu (position absolute) which would be clipped by "overflow" */}}
 								<div id="diff-rendered-{{$file.NameHash}}" class="file-body file-code {{if $.IsSplitStyle}}code-diff-split{{else}}code-diff-unified{{end}} gt-overflow-x-scroll">
-									<table class="chroma gt-w-full">
+									<table class="chroma tw-w-full">
 										{{if $isImage}}
 											{{template "repo/diff/image_diff" dict "file" . "root" $ "blobBase" $blobBase "blobHead" $blobHead "sniffedTypeBase" $sniffedTypeBase "sniffedTypeHead" $sniffedTypeHead}}
 										{{else}}
diff --git a/templates/repo/issue/card.tmpl b/templates/repo/issue/card.tmpl
index 7fb3d8282..5e524079c 100644
--- a/templates/repo/issue/card.tmpl
+++ b/templates/repo/issue/card.tmpl
@@ -6,7 +6,7 @@
 			{{end}}
 		</div>
 	{{end}}
-	<div class="content gt-p-0 gt-w-full">
+	<div class="content gt-p-0 tw-w-full">
 		<div class="gt-df gt-items-start">
 			<div class="issue-card-icon">
 				{{template "shared/issueicon" .}}
diff --git a/templates/status/404.tmpl b/templates/status/404.tmpl
index 289b9ea65..9e961e1b8 100644
--- a/templates/status/404.tmpl
+++ b/templates/status/404.tmpl
@@ -1,5 +1,5 @@
 {{template "base/head" .}}
-<div role="main" aria-label="{{.Title}}" class="page-content ui center gt-w-screen {{if .IsRepo}}repository{{end}}">
+<div role="main" aria-label="{{.Title}}" class="page-content ui center tw-w-screen {{if .IsRepo}}repository{{end}}">
 	{{if .IsRepo}}{{template "repo/header" .}}{{end}}
 	<div class="ui container center">
 		<h1 style="margin-top: 100px" class="error-code">404</h1>
diff --git a/web_src/css/helpers.css b/web_src/css/helpers.css
index da94ebb48..3579c193b 100644
--- a/web_src/css/helpers.css
+++ b/web_src/css/helpers.css
@@ -73,12 +73,6 @@ Gitea's private styles use `g-` prefix.
 .gt-overflow-x-scroll { overflow-x: scroll !important; }
 .gt-overflow-y-hidden { overflow-y: hidden !important; }
 
-.gt-h-screen { height: 100vh !important; }
-.gt-h-full { height: 100% !important; }
-.gt-w-auto { width: auto !important; }
-.gt-w-screen { width: 100vw !important; }
-.gt-w-full { width: 100% !important; }
-
 .gt-float-left { float: left !important; }
 .gt-float-right { float: right !important; }
 .gt-clear-both { clear: both !important; }