diff --git a/themes/osi/functions.php b/themes/osi/functions.php
index 9252b39..ebcbdc8 100755
--- a/themes/osi/functions.php
+++ b/themes/osi/functions.php
@@ -584,3 +584,10 @@ function osi_enqueue_swiper_assets(): void {
 	wp_enqueue_script( 'swiper-js', 'https://unpkg.com/swiper@11/swiper-bundle.min.js', array(), filemtime( untrailingslashit( get_template_directory() ) . '/style.css' ), true );
 }
 add_action( 'wp_enqueue_scripts', 'osi_enqueue_swiper_assets' );
+
+/**
+ * Disable loading separate block styles for the osi theme.
+ *
+ * @return bool
+ */
+add_filter( 'should_load_separate_core_block_assets', '__return_false' );