diff --git a/doc/administration/config-cheat-sheet.en-us.md b/doc/administration/config-cheat-sheet.en-us.md
index 03cd93f9..f637b1eb 100644
--- a/doc/administration/config-cheat-sheet.en-us.md
+++ b/doc/administration/config-cheat-sheet.en-us.md
@@ -1207,7 +1207,6 @@ in this mapping or the filetype using heuristics.
 
 ## Time (`time`)
 
-- `FORMAT`: Time format to display on UI. i.e. RFC1123 or 2006-01-02 15:04:05
 - `DEFAULT_UI_LOCATION`: Default location of time on the UI, so that we can display correct user's time on UI. i.e. Asia/Shanghai
 
 ## Task (`task`)