diff --git a/wp-includes/class-wp-object-cache.php b/wp-includes/class-wp-object-cache.php
index 6086ddf0d9..176d61503f 100644
--- a/wp-includes/class-wp-object-cache.php
+++ b/wp-includes/class-wp-object-cache.php
@@ -101,10 +101,9 @@ class WP_Object_Cache {
 	 *
 	 * @param string $name  Property to set.
 	 * @param mixed  $value Property value.
-	 * @return mixed Newly-set property.
 	 */
 	public function __set( $name, $value ) {
-		return $this->$name = $value;
+		$this->$name = $value;
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e44aac54be..81ea4af9a0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-59065';
+$wp_version = '6.7-alpha-59066';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.