diff --git a/src/wp-includes/capabilities.php b/src/wp-includes/capabilities.php
index c1e644a85f..308c7063c8 100644
--- a/src/wp-includes/capabilities.php
+++ b/src/wp-includes/capabilities.php
@@ -422,7 +422,11 @@ function map_meta_cap( $cap, $user_id ) {
 		$caps[] = 'edit_theme_options';
 		break;
 	case 'delete_site':
-		$caps[] = 'manage_options';
+		if ( is_multisite() ) {
+			$caps[] = 'manage_options';
+		} else {
+			$caps[] = 'do_not_allow';
+		}
 		break;
 	case 'edit_term':
 	case 'delete_term':
diff --git a/tests/phpunit/tests/user/capabilities.php b/tests/phpunit/tests/user/capabilities.php
index 5411c8a545..a8ba2acd8f 100644
--- a/tests/phpunit/tests/user/capabilities.php
+++ b/tests/phpunit/tests/user/capabilities.php
@@ -225,11 +225,11 @@ class Tests_User_Capabilities extends WP_UnitTestCase {
 			'manage_network_plugins' => array(),
 			'manage_network_themes'  => array(),
 			'manage_network_options' => array(),
+			'delete_site'            => array(),
 
 			'upload_plugins'         => array( 'administrator' ),
 			'upload_themes'          => array( 'administrator' ),
 			'customize'              => array( 'administrator' ),
-			'delete_site'            => array( 'administrator' ),
 			'add_users'              => array( 'administrator' ),
 
 			'edit_categories'        => array( 'administrator', 'editor' ),