diff --git a/include/SessionManager.h b/include/SessionManager.h
index 82c6ed1..bc1ceb3 100644
--- a/include/SessionManager.h
+++ b/include/SessionManager.h
@@ -10,7 +10,6 @@ class SessionManager {
 public:
   static SessionManager &GetInstance();
 
-  void Join(std::shared_ptr<Session> session);
   bool TryJoin(std::shared_ptr<Session> session, const std::string &nickname);
   void Leave(std::shared_ptr<Session> session);
   void Broadcast(PacketHeader header, std::span<const uint8_t> body);
diff --git a/server/SessionManager.cpp b/server/SessionManager.cpp
index 3f4e5be..35c19ba 100644
--- a/server/SessionManager.cpp
+++ b/server/SessionManager.cpp
@@ -6,13 +6,6 @@ SessionManager &SessionManager::GetInstance() {
   return instance;
 }
 
-void SessionManager::Join(std::shared_ptr<Session> session) {
-  std::lock_guard<std::mutex> lock(mutex_);
-  sessions_.insert(session);
-  Logger::Log("클라이언트[", session->GetNickname(),
-              "]가 입장했습니다. 총 세션 수: ", sessions_.size());
-}
-
 void SessionManager::Leave(std::shared_ptr<Session> session) {
   std::lock_guard<std::mutex> lock(mutex_);
   if (sessions_.erase(session) > 0) {