diff --git a/modules/monitoring/library/Monitoring/Command/Object/WithCommentCommand.php b/modules/monitoring/library/Monitoring/Command/Object/WithCommentCommand.php
index 511b769e6..aa2e43994 100644
--- a/modules/monitoring/library/Monitoring/Command/Object/WithCommentCommand.php
+++ b/modules/monitoring/library/Monitoring/Command/Object/WithCommentCommand.php
@@ -8,12 +8,7 @@ namespace Icinga\Module\Monitoring\Command\Object;
  */
 abstract class WithCommentCommand extends ObjectCommand
 {
-    /**
-     * Author of the comment
-     *
-     * @var string
-     */
-    protected $author;
+    use CommandAuthor;
 
     /**
      * Comment
@@ -22,29 +17,6 @@ abstract class WithCommentCommand extends ObjectCommand
      */
     protected $comment;
 
-    /**
-     * Set the author
-     *
-     * @param   string $author
-     *
-     * @return  $this
-     */
-    public function setAuthor($author)
-    {
-        $this->author = (string) $author;
-        return $this;
-    }
-
-    /**
-     * Get the author
-     *
-     * @return string
-     */
-    public function getAuthor()
-    {
-        return $this->author;
-    }
-
     /**
      * Set the comment
      *