diff --git a/apps/server/src/application/coordinators/startGameCoordinator.ts b/apps/server/src/application/coordinators/startGameCoordinator.ts
index 9ea5920..ea2e09b 100644
--- a/apps/server/src/application/coordinators/startGameCoordinator.ts
+++ b/apps/server/src/application/coordinators/startGameCoordinator.ts
@@ -3,9 +3,9 @@
  * START_GAMEイベントの調停を行い，ルーム状態更新とゲーム開始処理を橋渡しする
  */
 import { roomConsts } from "@repo/shared";
-import { GameManager } from "@server/domains/game/GameManager";
 import {
   type GameOutputPort,
+  type StartGamePort,
   type StartGameRoomPort,
 } from "@server/domains/game/application/ports/gameUseCasePorts";
 import { startGameUseCase } from "@server/domains/game/application/useCases/startGameUseCase";
@@ -13,7 +13,7 @@
 
 type StartGameCoordinatorParams = {
   ownerId: string;
-  gameManager: GameManager;
+  gameManager: StartGamePort;
   roomManager: StartGameRoomPort;
   output: Pick<
     GameOutputPort,
diff --git a/apps/server/src/network/handlers/game/registerGameHandlers.ts b/apps/server/src/network/handlers/game/registerGameHandlers.ts
index a50c94d..9646d31 100644
--- a/apps/server/src/network/handlers/game/registerGameHandlers.ts
+++ b/apps/server/src/network/handlers/game/registerGameHandlers.ts
@@ -3,8 +3,13 @@
  * ゲーム関連イベントの受信ハンドラを登録する
  */
 import { Server, Socket } from "socket.io";
-import { GameManager } from "@server/domains/game/GameManager";
-import { RoomManager } from "@server/domains/room/RoomManager";
+import type {
+  MovePlayerPort,
+  ReadyForGamePort,
+  StartGamePort,
+  ReadyForGameRoomPort,
+  StartGameRoomPort,
+} from "@server/domains/game/application/ports/gameUseCasePorts";
 import { protocol } from "@repo/shared";
 import { pingUseCase } from "@server/domains/game/application/useCases/pingUseCase";
 import { movePlayerUseCase } from "@server/domains/game/application/useCases/movePlayerUseCase";
@@ -19,8 +24,8 @@
 export const registerGameHandlers = (
   io: Server,
   socket: Socket,
-  gameManager: GameManager,
-  roomManager: RoomManager
+  gameManager: StartGamePort & ReadyForGamePort & MovePlayerPort,
+  roomManager: StartGameRoomPort & ReadyForGameRoomPort
 ) => {
   const common = createCommonHandlerContext(io, socket);
   const gameOutputAdapter = createGameOutputAdapter(common);
diff --git a/apps/server/src/network/handlers/registerConnectionHandlers.ts b/apps/server/src/network/handlers/registerConnectionHandlers.ts
index d5e6917..aa00256 100644
--- a/apps/server/src/network/handlers/registerConnectionHandlers.ts
+++ b/apps/server/src/network/handlers/registerConnectionHandlers.ts
@@ -3,18 +3,42 @@
  * 接続時にルームとゲームの各ハンドラを登録する
  */
 import { Server, Socket } from "socket.io";
-import { GameManager } from "@server/domains/game/GameManager";
-import { RoomManager } from "@server/domains/room/RoomManager";
+import type {
+  DisconnectPlayerPort,
+  MovePlayerPort,
+  ReadyForGamePort,
+  ReadyForGameRoomPort,
+  StartGamePort,
+  StartGameRoomPort,
+} from "@server/domains/game/application/ports/gameUseCasePorts";
+import type {
+  DisconnectRoomPort,
+  FindRoomByPlayerPort,
+  JoinRoomPort,
+} from "@server/domains/room/application/ports/roomUseCasePorts";
 import { protocol } from "@repo/shared";
 import { registerRoomHandlers } from "./RoomHandler";
 import { registerGameHandlers } from "./GameHandler";
 import { logEvent } from "@server/logging/logEvent";
 import { disconnectCoordinator } from "@server/application/coordinators/disconnectCoordinator";
 
+type ConnectionGamePort =
+  & StartGamePort
+  & ReadyForGamePort
+  & MovePlayerPort
+  & DisconnectPlayerPort;
+
+type ConnectionRoomPort =
+  & JoinRoomPort
+  & StartGameRoomPort
+  & ReadyForGameRoomPort
+  & DisconnectRoomPort
+  & FindRoomByPlayerPort;
+
 type RegisterConnectionHandlersParams = {
   io: Server;
-  gameManager: GameManager;
-  roomManager: RoomManager;
+  gameManager: ConnectionGamePort;
+  roomManager: ConnectionRoomPort;
 };
 
 /** ソケット接続と切断イベントに対する共通ハンドラを登録する */