diff --git a/src/wp-includes/block-patterns.php b/src/wp-includes/block-patterns.php
index 6efc56fee7..29e6298d27 100644
--- a/src/wp-includes/block-patterns.php
+++ b/src/wp-includes/block-patterns.php
@@ -44,5 +44,3 @@ function _register_core_block_patterns_and_categories() {
 	register_block_pattern_category( 'header', array( 'label' => _x( 'Headers', 'Block pattern category' ) ) );
 	register_block_pattern_category( 'text', array( 'label' => _x( 'Text', 'Block pattern category' ) ) );
 }
-
-add_action( 'init', '_register_core_block_patterns_and_categories' );
diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index dc51908604..715d9fe8ce 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -302,6 +302,7 @@ add_action( 'wp_footer', 'wp_print_footer_scripts', 20 );
 add_action( 'template_redirect', 'wp_shortlink_header', 11, 0 );
 add_action( 'wp_print_footer_scripts', '_wp_footer_scripts' );
 add_action( 'init', 'check_theme_switched', 99 );
+add_action( 'init', '_register_core_block_patterns_and_categories' );
 add_action( 'after_switch_theme', '_wp_menus_changed' );
 add_action( 'after_switch_theme', '_wp_sidebars_changed' );
 add_action( 'wp_print_styles', 'print_emoji_styles' );