diff --git a/wp-includes/class-wp-block.php b/wp-includes/class-wp-block.php
index 4885b99219..3d395255fe 100644
--- a/wp-includes/class-wp-block.php
+++ b/wp-includes/class-wp-block.php
@@ -408,6 +408,29 @@ class WP_Block {
 	 */
 	public function render( $options = array() ) {
 		global $post;
+
+		/*
+		 * There can be only one root interactive block at a time because the rendered HTML of that block contains
+		 * the rendered HTML of all its inner blocks, including any interactive block.
+		 */
+		static $root_interactive_block  = null;
+		/**
+		 * Filters whether Interactivity API should process directives.
+		 *
+		 * @since 6.6.0
+		 *
+		 * @param bool $enabled Whether the directives processing is enabled.
+		 */
+		$interactivity_process_directives_enabled = apply_filters( 'interactivity_process_directives', true );
+		if (
+			$interactivity_process_directives_enabled && null === $root_interactive_block && (
+				( isset( $this->block_type->supports['interactivity'] ) && true === $this->block_type->supports['interactivity'] ) ||
+				! empty( $this->block_type->supports['interactivity']['interactive'] )
+			)
+		) {
+			$root_interactive_block = $this;
+		}
+
 		$options = wp_parse_args(
 			$options,
 			array(
@@ -533,6 +556,12 @@ class WP_Block {
 		 */
 		$block_content = apply_filters( "render_block_{$this->name}", $block_content, $this->parsed_block, $this );
 
+		if ( $root_interactive_block === $this ) {
+			// The root interactive block has finished rendering. Time to process directives.
+			$block_content          = wp_interactivity_process_directives( $block_content );
+			$root_interactive_block = null;
+		}
+
 		return $block_content;
 	}
 }
diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index c490fe06ef..6e26606fd0 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -6318,3 +6318,22 @@ function wp_render_elements_support( $block_content, $block ) {
 	_deprecated_function( __FUNCTION__, '6.6.0', 'wp_render_elements_class_name' );
 	return $block_content;
 }
+
+/**
+ * Processes the directives on the rendered HTML of the interactive blocks.
+ *
+ * This processes only one root interactive block at a time because the
+ * rendered HTML of that block contains the rendered HTML of all its inner
+ * blocks, including any interactive block. It does so by ignoring all the
+ * interactive inner blocks until the root interactive block is processed.
+ *
+ * @since 6.5.0
+ * @deprecated 6.6.0
+ *
+ * @param array $parsed_block The parsed block.
+ * @return array The same parsed block.
+ */
+function wp_interactivity_process_directives_of_interactive_blocks( array $parsed_block ): array {
+	_deprecated_function( __FUNCTION__, '6.6.0' );
+	return $parsed_block;
+}
diff --git a/wp-includes/interactivity-api/interactivity-api.php b/wp-includes/interactivity-api/interactivity-api.php
index b8f3e508d0..763440e1e3 100644
--- a/wp-includes/interactivity-api/interactivity-api.php
+++ b/wp-includes/interactivity-api/interactivity-api.php
@@ -7,71 +7,6 @@
  * @since 6.5.0
  */
 
-/**
- * Processes the directives on the rendered HTML of the interactive blocks.
- *
- * This processes only one root interactive block at a time because the
- * rendered HTML of that block contains the rendered HTML of all its inner
- * blocks, including any interactive block. It does so by ignoring all the
- * interactive inner blocks until the root interactive block is processed.
- *
- * @since 6.5.0
- *
- * @param array $parsed_block The parsed block.
- * @return array The same parsed block.
- */
-function wp_interactivity_process_directives_of_interactive_blocks( array $parsed_block ): array {
-	static $root_interactive_block = null;
-
-	/*
-	 * Checks whether a root interactive block is already annotated for
-	 * processing, and if it is, it ignores the subsequent ones.
-	 */
-	if ( null === $root_interactive_block ) {
-		$block_name = $parsed_block['blockName'];
-		$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
-
-		if (
-			isset( $block_name ) &&
-			( ( isset( $block_type->supports['interactivity'] ) && true === $block_type->supports['interactivity'] ) ||
-			( isset( $block_type->supports['interactivity']['interactive'] ) && true === $block_type->supports['interactivity']['interactive'] ) )
-		) {
-			// Annotates the root interactive block for processing.
-			$root_interactive_block = array( $block_name, $parsed_block );
-
-			/*
-			 * Adds a filter to process the root interactive block once it has
-			 * finished rendering.
-			 */
-			$process_interactive_blocks = static function ( string $content, array $parsed_block ) use ( &$root_interactive_block, &$process_interactive_blocks ): string {
-				// Checks whether the current block is the root interactive block.
-				list($root_block_name, $root_parsed_block) = $root_interactive_block;
-				if ( $root_block_name === $parsed_block['blockName'] && $parsed_block === $root_parsed_block ) {
-					// The root interactive blocks has finished rendering, process it.
-					$content = wp_interactivity_process_directives( $content );
-					// Removes the filter and reset the root interactive block.
-					remove_filter( 'render_block_' . $parsed_block['blockName'], $process_interactive_blocks );
-					$root_interactive_block = null;
-				}
-				return $content;
-			};
-
-			/*
-			 * Uses a priority of 100 to ensure that other filters can add additional
-			 * directives before the processing starts.
-			 */
-			add_filter( 'render_block_' . $block_name, $process_interactive_blocks, 100, 2 );
-		}
-	}
-
-	return $parsed_block;
-}
-/*
- * Uses a priority of 100 to ensure that other filters can add additional attributes to
- * $parsed_block before the processing starts.
- */
-add_filter( 'render_block_data', 'wp_interactivity_process_directives_of_interactive_blocks', 100, 1 );
-
 /**
  * Retrieves the main WP_Interactivity_API instance.
  *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 255f77210d..ea72a87119 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58233';
+$wp_version = '6.6-alpha-58234';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.