diff --git a/includes/core/class-shortcodes.php b/includes/core/class-shortcodes.php
index fdd8a5bf..72d7a9f0 100644
--- a/includes/core/class-shortcodes.php
+++ b/includes/core/class-shortcodes.php
@@ -351,6 +351,14 @@ if ( ! class_exists( 'Shortcodes' ) ) {
          * @param array $args
          */
         function dynamic_css( $args = array() ) {
+
+	        /*
+	         * for fix the issue #306
+	         */
+			$disable_css = apply_filters( 'um_disable_dynamic_global_css', false );
+	        if ( $disable_css )
+	        	return '';
+
             extract( $args );
 
             include_once um_path . 'assets/dynamic_css/dynamic_global.php';
diff --git a/includes/core/class-user-posts.php b/includes/core/class-user-posts.php
index f8dfda78..e5a4897a 100644
--- a/includes/core/class-user-posts.php
+++ b/includes/core/class-user-posts.php
@@ -10,8 +10,6 @@ if ( ! class_exists( 'User_posts' ) ) {
 
         function __construct() {
 
-            //add_filter('um_profile_tabs', array(&$this, 'add_tab'), 100);
-
             add_action('um_profile_content_posts', array(&$this, 'add_posts') );
             add_action('um_profile_content_comments', array(&$this, 'add_comments') );