diff --git a/plugins/filter/to_time_unit.yml b/plugins/filter/to_time_unit.yml
index 43debef917..436a4d6a80 100644
--- a/plugins/filter/to_time_unit.yml
+++ b/plugins/filter/to_time_unit.yml
@@ -43,7 +43,6 @@ DOCUMENTATION:
         - mins
         - minute
         - minutes
-        - ms
         - d
         - ds
         - day