diff --git a/src/wp-includes/taxonomy.php b/src/wp-includes/taxonomy.php
index f0e3be17d3..59ec5345fe 100644
--- a/src/wp-includes/taxonomy.php
+++ b/src/wp-includes/taxonomy.php
@@ -227,7 +227,7 @@ function create_initial_taxonomies() {
 		'wp_pattern_category',
 		array( 'wp_block' ),
 		array(
-			'public'             => true,
+			'public'             => false,
 			'publicly_queryable' => false,
 			'hierarchical'       => false,
 			'labels'             => array(
diff --git a/tests/qunit/fixtures/wp-api-generated.js b/tests/qunit/fixtures/wp-api-generated.js
index d212facf26..ef8e53d4bb 100644
--- a/tests/qunit/fixtures/wp-api-generated.js
+++ b/tests/qunit/fixtures/wp-api-generated.js
@@ -9816,7 +9816,6 @@ mockedApiResponse.Schema = {
                                     "page",
                                     "category",
                                     "post_tag",
-                                    "wp_pattern_category",
                                     "any"
                                 ],
                                 "type": "string"