diff --git a/include/core/director.h b/include/core/director.h
index 31350ab..5ebe532 100644
--- a/include/core/director.h
+++ b/include/core/director.h
@@ -20,8 +20,8 @@ public:
     void mainLoop(float dt);
     void mainLoopParallel(float dt);
 
-    Scheduler& sched() { return *sched_; }
-    SvcMgr& svcs() { return *svcMgr_; }
+    Scheduler& sched() { return SCHED; }
+    SvcMgr& svcs() { return SVC_MGR; }
 
     float dt() const { return dt_; }
     float totalTime() const { return totalTime_; }
@@ -36,9 +36,6 @@ public:
 private:
     Director() = default;
 
-    Unique<Scheduler> sched_;
-    Unique<SvcMgr> svcMgr_;
-
     float dt_ = 0.0f;
     float totalTime_ = 0.0f;
     float fixedAccumulator_ = 0.0f;
diff --git a/include/core/service.h b/include/core/service.h
index bfec1d1..491ac4f 100644
--- a/include/core/service.h
+++ b/include/core/service.h
@@ -37,6 +37,8 @@ protected:
     IService() = default;
     bool inited_ = false;
     bool enabled_ = true;
+
+    friend class SvcMgr;
 };
 
 /**
diff --git a/src/core/director.cpp b/src/core/director.cpp
index 3311a2b..ab37340 100644
--- a/src/core/director.cpp
+++ b/src/core/director.cpp
@@ -10,9 +10,6 @@ Director& Director::inst() {
 bool Director::init() {
     if (inited_) return true;
 
-    sched_ = makeUnique<Scheduler>();
-    svcMgr_ = makeUnique<SvcMgr>();
-
     inited_ = true;
     return true;
 }
@@ -20,11 +17,8 @@ bool Director::init() {
 void Director::shutdown() {
     if (!inited_) return;
 
-    svcMgr_->shutdownAll();
-    sched_->unscheduleAll();
-
-    svcMgr_.reset();
-    sched_.reset();
+    SVC_MGR.shutdownAll();
+    SCHED.unscheduleAll();
 
     inited_ = false;
 }
@@ -36,17 +30,17 @@ void Director::mainLoop(float dt) {
     totalTime_ += dt;
     frameCount_++;
 
-    svcMgr_->updateAll(dt);
+    SVC_MGR.updateAll(dt);
 
     fixedAccumulator_ += dt;
     while (fixedAccumulator_ >= fixedDt_) {
-        svcMgr_->fixedUpdateAll(fixedDt_);
+        SVC_MGR.fixedUpdateAll(fixedDt_);
         fixedAccumulator_ -= fixedDt_;
     }
 
-    sched_->update(dt);
+    SCHED.update(dt);
 
-    svcMgr_->lateUpdateAll(dt);
+    SVC_MGR.lateUpdateAll(dt);
 }
 
 void Director::mainLoopParallel(float dt) {
@@ -56,17 +50,17 @@ void Director::mainLoopParallel(float dt) {
     totalTime_ += dt;
     frameCount_++;
 
-    svcMgr_->updateAll(dt);
+    SVC_MGR.updateAll(dt);
 
     fixedAccumulator_ += dt;
     while (fixedAccumulator_ >= fixedDt_) {
-        svcMgr_->fixedUpdateAll(fixedDt_);
+        SVC_MGR.fixedUpdateAll(fixedDt_);
         fixedAccumulator_ -= fixedDt_;
     }
 
-    sched_->updateParallel(dt);
+    SCHED.updateParallel(dt);
 
-    svcMgr_->lateUpdateAll(dt);
+    SVC_MGR.lateUpdateAll(dt);
 }
 
 void Director::pause() {
@@ -78,7 +72,7 @@ void Director::resume() {
 }
 
 void Director::setTimeScale(float scale) {
-    sched_->setTimeScale(scale);
+    SCHED.setTimeScale(scale);
 }
 
 } // namespace extra2d