diff --git a/actions/attachment.php b/actions/attachment.php
index 45aa78728a..22018ab043 100644
--- a/actions/attachment.php
+++ b/actions/attachment.php
@@ -143,15 +143,6 @@ class AttachmentAction extends Action
         }
     }
 
-    /**
-     * Don't show local navigation
-     *
-     * @return void
-     */
-    function showLocalNavBlock()
-    {
-    }
-
     /**
      * Fill the content area of the page
      *
diff --git a/actions/shownotice.php b/actions/shownotice.php
index b6d0625e13..4b6483f1aa 100644
--- a/actions/shownotice.php
+++ b/actions/shownotice.php
@@ -233,15 +233,6 @@ class ShownoticeAction extends OwnerDesignAction
         }
     }
 
-    /**
-     * Don't show local navigation
-     *
-     * @return void
-     */
-    function showLocalNavBlock()
-    {
-    }
-
     /**
      * Fill the content area of the page
      *