diff --git a/classes/display/HTMLDisplayHandler.php b/classes/display/HTMLDisplayHandler.php
index b42e88b39..eca51aee0 100644
--- a/classes/display/HTMLDisplayHandler.php
+++ b/classes/display/HTMLDisplayHandler.php
@@ -583,7 +583,6 @@ class HTMLDisplayHandler
 	private function _loadMobileJSCSS()
 	{
 		$this->_loadCommonJSCSS();
-		Context::loadFile(array('./common/css/mobile.css', '', '', -1500000000), true);
 	}
 
 	/**
diff --git a/common/css/mobile.css b/common/css/mobile.css
index fab53bc83..730bd56a9 100644
--- a/common/css/mobile.css
+++ b/common/css/mobile.css
@@ -1,37 +1 @@
-@charset "utf-8";
-/*! Copyright (C) NAVER <http://www.navercorp.com> */
-/* @author NAVER <developers@xpressengine.com> */
-
-/* Message */
-.message {
-	position: relative;
-	margin: 1em 0;
-	padding: 0 1em;
-	border: 1px solid #ddd;
-	border-radius: 4px;
-	line-height: 1.4;
-	font-size: 13px;
-	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
-	background-color: #f8f8f8;
-}
-body>.message {
-	margin: 1em;
-}
-.message p {
-	margin: 1em 0 !important;
-}
-.message.info {
-	border-color: #BCE8F1;
-	color: #3A87AD;
-	background-color: #D9EDF7;
-}
-.message.error {
-	border-color: #EED3D7;
-	color: #B94A48;
-	background-color: #F2DEDE;
-}
-.message.update {
-	border-color: #D6E9C6;
-	color: #468847;
-	background-color: #DFF0D8;
-}
+/* This file is not used after Rhymix 1.9.8. See rhymix.less instead. */
\ No newline at end of file