diff --git a/wp-includes/option.php b/wp-includes/option.php
index 8ae0b68595..f6e3eafcdf 100644
--- a/wp-includes/option.php
+++ b/wp-includes/option.php
@@ -2058,16 +2058,6 @@ function register_initial_settings() {
 			'description'  => __( 'Allow people to post comments on new articles.' ),
 		)
 	);
-
-	register_setting(
-		'permalink',
-		'permalink_structure',
-		array(
-			'show_in_rest' => true,
-			'type'         => 'string',
-			'description'  => __( 'Custom URL structure for permalinks and archives.' ),
-		)
-	);
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d937a7bdd9..4f7945b16e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44442';
+$wp_version = '5.1-alpha-44446';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.