diff --git a/src/idz/defs.ts b/src/idz/defs.ts
index 24b7641..b0eaca5 100644
--- a/src/idz/defs.ts
+++ b/src/idz/defs.ts
@@ -3,74 +3,3 @@
 // pretend they do.
 
 export type RequestCode = number & { __requestId: null };
-export type ResponseCode = number & { __responseId: null };
-
-const _MSG = {
-  GENERIC_RES: 0x0001 as ResponseCode,
-  LOAD_CONFIG_REQ: 0x0004 as RequestCode,
-  LOAD_CONFIG_RES: 0x0005 as ResponseCode,
-  LOAD_SERVER_LIST_REQ: 0x0006 as RequestCode,
-  LOAD_SERVER_LIST_RES: 0x0007 as ResponseCode,
-  LOAD_PROFILE_V1_RES: 0x0064 as ResponseCode,
-  LOAD_PROFILE_V2_RES: 0x0065 as ResponseCode,
-  CREATE_PROFILE_REQ: 0x0066 as RequestCode,
-  LOAD_PROFILE_REQ: 0x0067 as RequestCode,
-  SAVE_RECORD_REQ: 0x0068 as RequestCode,
-  ACCOUNT_LOCK_REQ: 0x0069 as RequestCode,
-  ACCOUNT_LOCK_RES: 0x006a as ResponseCode,
-  DISCOVER_PROFILE_REQ: 0x006b as RequestCode,
-  DISCOVER_PROFILE_RES: 0x006c as ResponseCode,
-  ACCOUNT_UNLOCK_REQ: 0x006f as RequestCode,
-  ACCOUNT_UNLOCK_RES: 0x0070 as ResponseCode,
-  LOAD_TEAM_REQ: 0x0077 as RequestCode,
-  LOAD_TEAM_RES: 0x0078 as ResponseCode,
-  CREATE_TEAM_REQ: 0x007b as RequestCode,
-  CREATE_TEAM_RES: 0x007c as ResponseCode,
-  UPDATE_STORY_CLEAR_NUM_REQ: 0x007f as RequestCode,
-  UPDATE_STORY_CLEAR_NUM_RES: 0x0080 as ResponseCode,
-  UPDATE_PROVISIONAL_STORE_RANK_REQ: 0x0082 as RequestCode,
-  UPDATE_PROVISIONAL_STORE_RANK_RES: 0x0083 as ResponseCode,
-  LOAD_REWARD_TABLE_REQ: 0x0086 as RequestCode,
-  LOAD_REWARD_TABLE_RES: 0x0087 as ResponseCode,
-  SAVE_EXPEDITION_REQ: 0x008c as RequestCode,
-  SAVE_EXPEDITION_RES: 0x008d as ResponseCode,
-  SAVE_TOPIC_REQ: 0x009a as RequestCode,
-  SAVE_TOPIC_RES: 0x009b as ResponseCode,
-  LOAD_GENERAL_REWARD_REQ: 0x009c as RequestCode,
-  LOAD_GENERAL_REWARD_RES: 0x009d as ResponseCode,
-  SAVE_SETTINGS_REQ: 0x00a5 as RequestCode,
-  LOAD_CONFIG_V2_REQ: 0x00ab as RequestCode,
-  LOAD_CONFIG_V2_RES: 0x00ac as ResponseCode,
-  LOAD_STOCKER_REQ: 0x00a7 as RequestCode,
-  LOAD_STOCKER_RES: 0x00a8 as ResponseCode,
-  LOAD_2ON2_REQ: 0x00b0 as RequestCode,
-  LOAD_2ON2_RES: 0x00b1 as ResponseCode,
-};
-
-export const MSG = _MSG as Readonly<typeof _MSG>;
-const RL = new Map<RequestCode, number>();
-
-RL.set(MSG.ACCOUNT_LOCK_REQ, 0x0020);
-RL.set(MSG.ACCOUNT_UNLOCK_REQ, 0x0020);
-RL.set(MSG.CREATE_PROFILE_REQ, 0x00c0);
-RL.set(MSG.CREATE_TEAM_REQ, 0x0010);
-RL.set(MSG.LOAD_2ON2_REQ, 0x0010);
-RL.set(MSG.LOAD_CONFIG_REQ, 0x0050);
-RL.set(MSG.LOAD_CONFIG_V2_REQ, 0x0010);
-RL.set(MSG.DISCOVER_PROFILE_REQ, 0x0010);
-RL.set(MSG.LOAD_GENERAL_REWARD_REQ, 0x0010);
-RL.set(MSG.LOAD_PROFILE_REQ, 0x0020);
-RL.set(MSG.LOAD_REWARD_TABLE_REQ, 0x0010);
-RL.set(MSG.LOAD_SERVER_LIST_REQ, 0x0020);
-RL.set(MSG.LOAD_STOCKER_REQ, 0x0010);
-RL.set(MSG.LOAD_TEAM_REQ, 0x0010);
-RL.set(MSG.SAVE_EXPEDITION_REQ, 0x0010);
-RL.set(MSG.SAVE_RECORD_REQ, 0x0940);
-RL.set(MSG.SAVE_SETTINGS_REQ, 0x0020);
-RL.set(MSG.SAVE_TOPIC_REQ, 0x0010);
-RL.set(MSG.UPDATE_PROVISIONAL_STORE_RANK_REQ, 0x0010);
-RL.set(MSG.UPDATE_STORY_CLEAR_NUM_REQ, 0x0010);
-
-export function getRequestLength(id: RequestCode): number | undefined {
-  return RL.get(id);
-}