diff --git a/src/wp-includes/capabilities.php b/src/wp-includes/capabilities.php
index c9158b6071..fe87bc8d70 100644
--- a/src/wp-includes/capabilities.php
+++ b/src/wp-includes/capabilities.php
@@ -320,6 +320,7 @@ function map_meta_cap( $cap, $user_id ) {
 		else
 			$caps[] = 'do_not_allow';
 		break;
+	case 'unfiltered_css' :
 	case 'unfiltered_html' :
 		// Disallow unfiltered_html for all users, even admins and super admins.
 		if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML )
@@ -327,10 +328,7 @@ function map_meta_cap( $cap, $user_id ) {
 		elseif ( is_multisite() && ! is_super_admin( $user_id ) )
 			$caps[] = 'do_not_allow';
 		else
-			$caps[] = $cap;
-		break;
-	case 'unfiltered_css' :
-		$caps[] = 'unfiltered_html';
+			$caps[] = 'unfiltered_html';
 		break;
 	case 'edit_files':
 	case 'edit_plugins':
diff --git a/tests/phpunit/tests/user/capabilities.php b/tests/phpunit/tests/user/capabilities.php
index bbb8c17a34..215e8dae60 100644
--- a/tests/phpunit/tests/user/capabilities.php
+++ b/tests/phpunit/tests/user/capabilities.php
@@ -229,6 +229,7 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
 			'manage_post_tags'       => array( 'administrator', 'editor' ),
 			'edit_post_tags'         => array( 'administrator', 'editor' ),
 			'delete_post_tags'       => array( 'administrator', 'editor' ),
+			'unfiltered_css'         => array( 'administrator', 'editor' ),
 
 			'assign_categories'      => array( 'administrator', 'editor', 'author', 'contributor' ),
 			'assign_post_tags'       => array( 'administrator', 'editor', 'author', 'contributor' ),
@@ -247,6 +248,7 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
 			'manage_network_options' => array(),
 			'upload_plugins'         => array(),
 			'upload_themes'          => array(),
+			'unfiltered_css'         => array(),
 
 			'customize'              => array( 'administrator' ),
 			'delete_site'            => array( 'administrator' ),
@@ -391,7 +393,6 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
 			// These primitive capabilities have a 'case' in `map_meta_cap()` but aren't meta capabilities:
 			$expected['unfiltered_upload'],
 			$expected['unfiltered_html'],
-			$expected['unfiltered_css'],
 			$expected['edit_files'],
 			$expected['edit_plugins'],
 			$expected['edit_themes'],