diff --git a/components/match2/wikis/hearthstone/match_group_input_custom.lua b/components/match2/wikis/hearthstone/match_group_input_custom.lua
index 910a05e20a9..4b3b034203c 100644
--- a/components/match2/wikis/hearthstone/match_group_input_custom.lua
+++ b/components/match2/wikis/hearthstone/match_group_input_custom.lua
@@ -32,8 +32,6 @@ local CustomMatchGroupInput = {}
 local MatchFunctions = {}
 local MapFunctions = {}
 
-CustomMatchGroupInput.processMap = FnUtil.identity
-
 ---@param match table
 ---@param options table?
 ---@return table