diff --git a/src/wp-includes/interactivity-api.php b/src/wp-includes/interactivity-api.php
deleted file mode 100644
index de9e877c9a761..0000000000000
--- a/src/wp-includes/interactivity-api.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-/**
- * Interactivity API: Functions and hooks
- *
- * @package WordPress
- * @subpackage Interactivity API
- */
-
-/**
- * Registers the interactivity modules.
- */
-function wp_interactivity_register_script_modules() {
-	wp_register_script_module(
-		'@wordpress/interactivity',
-		includes_url( '/js/dist/interactivity.min.js' ),
-		array()
-	);
-
-	wp_register_script_module(
-		'@wordpress/interactivity-router',
-		includes_url( '/js/dist/interactivity-router.min.js' ),
-		array( '@wordpress/interactivity' )
-	);
-}
-
-add_action( 'init', 'wp_interactivity_register_script_modules' );
diff --git a/src/wp-settings.php b/src/wp-settings.php
index 6cddae7550e16..282e2a0d905f7 100644
--- a/src/wp-settings.php
+++ b/src/wp-settings.php
@@ -376,7 +376,6 @@
 require ABSPATH . WPINC . '/fonts.php';
 require ABSPATH . WPINC . '/class-wp-script-modules.php';
 require ABSPATH . WPINC . '/script-modules.php';
-require ABSPATH . WPINC . '/interactivity-api.php';
 require ABSPATH . WPINC . '/interactivity-api/class-wp-interactivity-api.php';
 require ABSPATH . WPINC . '/interactivity-api/class-wp-interactivity-api-directives-processor.php';
 require ABSPATH . WPINC . '/interactivity-api/interactivity-api.php';