diff --git a/lib/cleanup.php b/lib/cleanup.php
index 70c015c..e4d25f9 100644
--- a/lib/cleanup.php
+++ b/lib/cleanup.php
@@ -479,11 +479,6 @@ function roots_nav_menu_css_class($classes, $item) {
   return array_filter($classes, 'is_element_empty');
 }
 
-function is_element_empty($element) {
-  $element = trim($element);
-  return empty($element) ? false : true;
-}
-
 add_filter('nav_menu_css_class', 'roots_nav_menu_css_class', 10, 2);
 add_filter('nav_menu_item_id', '__return_null');
 
diff --git a/lib/utils.php b/lib/utils.php
index 6b1b577..233160e 100644
--- a/lib/utils.php
+++ b/lib/utils.php
@@ -63,3 +63,8 @@ function add_filters($tags, $function) {
     add_filter($tag, $function);
   }
 }
+
+function is_element_empty($element) {
+  $element = trim($element);
+  return empty($element) ? false : true;
+}