diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index ad61a63e11..9d20c6bbd2 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -870,18 +870,14 @@ function get_comments_number( $post_id = 0 ) {
  * Displays the language string for the number of comments the current post has.
  *
  * @since 0.71
- * @since 5.4.0 Added the `$post_id` parameter.
+ * @since 5.4.0 The `$deprecated` parameter was changed to `$post_id`.
  *
  * @param string      $zero       Optional. Text for no comments. Default false.
  * @param string      $one        Optional. Text for one comment. Default false.
  * @param string      $more       Optional. Text for more than one comment. Default false.
- * @param string      $deprecated Not used.
  * @param int|WP_Post $post_id    Optional. Post ID or WP_Post object. Default is the global `$post`.
  */
-function comments_number( $zero = false, $one = false, $more = false, $deprecated = '', $post_id = 0 ) {
-	if ( ! empty( $deprecated ) ) {
-		_deprecated_argument( __FUNCTION__, '1.3.0' );
-	}
+function comments_number( $zero = false, $one = false, $more = false, $post_id = 0 ) {
 	echo get_comments_number_text( $zero, $one, $more, $post_id );
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d57d1d3d8d..410a703b76 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta2-47365';
+$wp_version = '5.4-beta2-47366';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.