diff --git a/lib/abstractpimcollection.php b/lib/abstractpimcollection.php
index 35ceb7cc..d2df31bc 100644
--- a/lib/abstractpimcollection.php
+++ b/lib/abstractpimcollection.php
@@ -82,7 +82,7 @@ abstract class AbstractPIMCollection extends AbstractPIMObject implements \Itera
 	 * @param string $id
 	 * @return bool
 	 */
-	public abstract public function deleteChild($id);
+	public abstract function deleteChild($id);
 
     // Iterator methods