diff --git a/lib/compat/wordpress-6.2/default-filters.php b/lib/compat/wordpress-6.2/default-filters.php
index 4698ead7f9bc3..dc9d5dd1c1edb 100644
--- a/lib/compat/wordpress-6.2/default-filters.php
+++ b/lib/compat/wordpress-6.2/default-filters.php
@@ -23,3 +23,5 @@
  */
 add_action( 'start_previewing_theme', '_gutenberg_clean_theme_json_caches' );
 add_action( 'switch_theme', '_gutenberg_clean_theme_json_caches' );
+
+add_filter( 'should_load_separate_core_block_assets', '__return_false', 9999 );