diff --git a/titles/idac/const.py b/titles/idac/const.py
index 05e9af9..7b2ea65 100644
--- a/titles/idac/const.py
+++ b/titles/idac/const.py
@@ -188,9 +188,6 @@ class IDACConstants:
     VER_IDAC_SEASON_2 = 1
     VER_IDAC_SEASON_3 = 2
 
-    BATTLE_MODE_ONLINE = 0
-    BATTLE_MODE_OFFLINE = 1
-
     VERSION_STRING = (
         "Initial D THE ARCADE Season 1",
         "Initial D THE ARCADE Season 2",
diff --git a/titles/idac/model/season2/vs_info_model.py b/titles/idac/model/season2/vs_info_model.py
index 9fed403..9d1cfd9 100644
--- a/titles/idac/model/season2/vs_info_model.py
+++ b/titles/idac/model/season2/vs_info_model.py
@@ -1,8 +1,9 @@
+from titles.idac.const import VSInfoBattleModeEnum
 from titles.idac.model.common_model import DtoModel
 
 
 class VsInfoDto(DtoModel):
-    battle_mode: int
+    battle_mode: VSInfoBattleModeEnum
     invalid: int
     str: int
     str_now: int
@@ -13,7 +14,7 @@ class VsInfoDto(DtoModel):
 
 
 class VsCourseInfoDto(DtoModel):
-    battle_mode: int
+    battle_mode: VSInfoBattleModeEnum
     course_id: int
     vs_cnt: int
     vs_win: int