diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
index a842fc2986..3454dc1906 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
@@ -1132,6 +1132,9 @@ class WP_REST_Comments_Controller extends WP_REST_Controller {
 					'description'     => __( 'The content for the object.' ),
 					'type'            => 'object',
 					'context'         => array( 'view', 'edit', 'embed' ),
+					'arg_options'     => array(
+						'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+					),
 					'properties'      => array(
 						'raw'         => array(
 							'description'     => __( 'Content for the object, as it exists in the database.' ),
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
index 7c801a4c44..4beda26210 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
@@ -1813,6 +1813,9 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 						'description' => __( 'The title for the object.' ),
 						'type'        => 'object',
 						'context'     => array( 'view', 'edit', 'embed' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+						),
 						'properties'  => array(
 							'raw' => array(
 								'description' => __( 'Title for the object, as it exists in the database.' ),
@@ -1834,6 +1837,9 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 						'description' => __( 'The content for the object.' ),
 						'type'        => 'object',
 						'context'     => array( 'view', 'edit' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+						),
 						'properties'  => array(
 							'raw' => array(
 								'description' => __( 'Content for the object, as it exists in the database.' ),
@@ -1869,6 +1875,9 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 						'description' => __( 'The excerpt for the object.' ),
 						'type'        => 'object',
 						'context'     => array( 'view', 'edit', 'embed' ),
+						'arg_options' => array(
+							'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
+						),
 						'properties'  => array(
 							'raw' => array(
 								'description' => __( 'Excerpt for the object, as it exists in the database.' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f454ea2184..b270e2c68c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-beta1-39088';
+$wp_version = '4.7-beta1-39089';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.