diff --git a/source/reference/explain.txt b/source/reference/explain.txt
index 74a733df295..161e71cfa5d 100644
--- a/source/reference/explain.txt
+++ b/source/reference/explain.txt
@@ -190,8 +190,6 @@ Core Explain Output
 
 .. data:: explain.scanAndOrder
 
-   .. versionadded:: 2.2
-
    :data:`~explain.scanAndOrder` is a boolean that is ``true`` when
    the query **cannot** use the index for returning sorted results.