Ticket #21562: 21562.patch

js/theme.js

@@ -10 +10 @@
                 timeout = false;
 
         $.fn.smallMenu = function() {
+                if ( ! masthead.find( '.menu' ).children().length ) {
+                        $( '.menu-toggle' ).remove();
+                        return;
+                }
+
                 masthead.find( '.site-navigation' ).removeClass( 'main-navigation' ).addClass( 'main-small-navigation' );
                 masthead.find( '.site-navigation h3' ).removeClass( 'assistive-text' ).addClass( 'menu-toggle' );