diff --git a/doc/private/delete-list b/doc/private/delete-list
index bdc888daa7..669ff961de 100644
--- a/doc/private/delete-list
+++ b/doc/private/delete-list
@@ -2,3 +2,4 @@ peter
 custom_WFB_v9_3_1
 custom_WFB_v9_3_2
 custom_WFB_v9_3_3
+custom_WFB_v9_4_0