diff --git a/src/wp-admin/edit-tags.php b/src/wp-admin/edit-tags.php
index 72cc2a73fb..0bf8d3e3bb 100644
--- a/src/wp-admin/edit-tags.php
+++ b/src/wp-admin/edit-tags.php
@@ -17,6 +17,10 @@ $tax = get_taxonomy( $taxnow );
 if ( ! $tax )
 	wp_die( __( 'Invalid taxonomy' ) );
 
+if ( ! in_array( $tax->name, get_taxonomies( array( 'show_ui' => true ) ) ) ) {
+   wp_die( __( 'You are not allowed to manage these items.' ) );
+}
+
 if ( ! current_user_can( $tax->cap->manage_terms ) ) {
 	wp_die(
 		'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
diff --git a/src/wp-includes/taxonomy-functions.php b/src/wp-includes/taxonomy-functions.php
index 280f440775..1ab178e368 100644
--- a/src/wp-includes/taxonomy-functions.php
+++ b/src/wp-includes/taxonomy-functions.php
@@ -281,7 +281,7 @@ function is_taxonomy_hierarchical($taxonomy) {
  * - public - If the taxonomy should be publicly queryable.
  *     * Defaults to true.
  * - hierarchical - Whether the taxonomy is hierarchical (e.g. category). Defaults to false.
- * - show_ui - Whether to generate a default UI for managing this taxonomy in the admin.
+ * - show_ui - Whether to generate and allow a UI for managing terms in this taxonomy in the admin.
  *     * If not set, the default is inherited from public.
  * - show_in_menu - Whether to show the taxonomy in the admin menu.
  *     * If true, the taxonomy is shown as a submenu of the object type menu.
@@ -323,6 +323,7 @@ function is_taxonomy_hierarchical($taxonomy) {
  *
  * @since 2.3.0
  * @since 4.2.0 Introduced `show_in_quick_edit` argument.
+ * @since 4.4.0 The `show_ui` argument is now enforced on the term editing screen.
  *
  * @global array $wp_taxonomies Registered taxonomies.
  * @global WP    $wp            WP instance.