diff --git a/Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll b/Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll
index 67efd53..f65a3a4 100644
Binary files a/Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll and b/Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll differ
diff --git a/Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll b/Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll
index 96be68f..2c03a22 100644
Binary files a/Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll and b/Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll differ
diff --git a/Plugins/uDesktopDuplication/uDesktopDuplication/Device.cpp b/Plugins/uDesktopDuplication/uDesktopDuplication/Device.cpp
index 86babce..032cbc6 100644
--- a/Plugins/uDesktopDuplication/uDesktopDuplication/Device.cpp
+++ b/Plugins/uDesktopDuplication/uDesktopDuplication/Device.cpp
@@ -15,39 +15,8 @@ using namespace Microsoft::WRL;
 
 
 
-const Microsoft::WRL::ComPtr<ID3D11Texture2D>& SharedTextureWrapper::Get() const
+IsolatedD3D11Device::IsolatedD3D11Device()
 {
-    return pointer_;
-}
-
-
-Microsoft::WRL::ComPtr<ID3D11Texture2D> SharedTextureWrapper::Lock()
-{
-    if (locked_) return nullptr;
-    locked_ = true;
-    return pointer_;
-}
-
-
-void SharedTextureWrapper::Unlock()
-{
-    locked_ = false;
-}
-
-
-bool SharedTextureWrapper::IsLocked() const
-{
-    return locked_;
-}
-
-
-
-IsolatedD3D11Device::IsolatedD3D11Device(UINT cachedTextureNum)
-{
-    for (UINT i = 0; i < cachedTextureNum; ++i) 
-    {
-        cachedSharedTextures_.push_back(std::make_shared<SharedTextureWrapper>());
-    }
 }
 
 
@@ -96,42 +65,33 @@ ComPtr<ID3D11Device> IsolatedD3D11Device::GetDevice()
 }
 
 
-std::shared_ptr<SharedTextureWrapper> IsolatedD3D11Device::GetCompatibleSharedTexture(
-    const ComPtr<ID3D11Texture2D>& src,
-    UINT index)
+Microsoft::WRL::ComPtr<ID3D11Texture2D> IsolatedD3D11Device::GetCompatibleSharedTexture(
+    const ComPtr<ID3D11Texture2D>& src)
 {
-    if (index < 0 || index >= cachedSharedTextures_.size())
-    {
-        Debug::Error("IsolatedD3D11Device::GetCompatibleSharedTexture() => ", index, " is out of cachedTextures range.");
-        return nullptr;
-    }
-
-    auto& sharedTextureWrapper = cachedSharedTextures_.at(index);
-    auto& texture = sharedTextureWrapper->pointer_; // raw pointer
-
-    // check if the format and size of the current texture are same as the source one
     D3D11_TEXTURE2D_DESC srcDesc;
     src->GetDesc(&srcDesc);
-    if (texture) 
+
+    // check if the format and size of the current texture are same as the source one
+    if (cachedSharedTexture_) 
     {
         D3D11_TEXTURE2D_DESC targetDesc;
-        texture->GetDesc(&targetDesc);
+        cachedSharedTexture_->GetDesc(&targetDesc);
         if (targetDesc.Format == srcDesc.Format && 
             targetDesc.Width  == srcDesc.Width  && 
             targetDesc.Height == srcDesc.Height)
         {
-            return sharedTextureWrapper;
+            return cachedSharedTexture_;
         }
     }
 
     // for sharing this texture with unity device
     srcDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
 
-    if (FAILED(device_->CreateTexture2D(&srcDesc, nullptr, &texture)))
+    if (FAILED(device_->CreateTexture2D(&srcDesc, nullptr, &cachedSharedTexture_)))
     {
         Debug::Error("IsolatedD3D11Device::GetCompatibleSharedTexture() => Creating shared texture failed.");
         return nullptr;
     }
 
-    return sharedTextureWrapper;
+    return cachedSharedTexture_;
 }
\ No newline at end of file
diff --git a/Plugins/uDesktopDuplication/uDesktopDuplication/Device.h b/Plugins/uDesktopDuplication/uDesktopDuplication/Device.h
index 6b2cff4..8058844 100644
--- a/Plugins/uDesktopDuplication/uDesktopDuplication/Device.h
+++ b/Plugins/uDesktopDuplication/uDesktopDuplication/Device.h
@@ -7,36 +7,19 @@
 #include <wrl/client.h>
 
 
-// Shared texture wrapper to manager locking state
-class SharedTextureWrapper
-{
-friend class IsolatedD3D11Device;
-public:
-    const Microsoft::WRL::ComPtr<ID3D11Texture2D>& Get() const;
-    Microsoft::WRL::ComPtr<ID3D11Texture2D> Lock();
-    void Unlock();
-    bool IsLocked() const;
-
-private:
-    std::atomic<bool> locked_ = false;
-    Microsoft::WRL::ComPtr<ID3D11Texture2D> pointer_;
-};
-
-
 // Thraed safe self created ID3D11Device from specified adapter
 class IsolatedD3D11Device
 {
 public:
-    explicit IsolatedD3D11Device(UINT cachedTextureNum);
+    IsolatedD3D11Device();
     ~IsolatedD3D11Device();
 
     HRESULT Create(const Microsoft::WRL::ComPtr<IDXGIAdapter>& adapter);
     Microsoft::WRL::ComPtr<ID3D11Device> GetDevice();
-    std::shared_ptr<SharedTextureWrapper> GetCompatibleSharedTexture(
-        const Microsoft::WRL::ComPtr<ID3D11Texture2D>& src,
-        UINT index);
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> GetCompatibleSharedTexture(
+        const Microsoft::WRL::ComPtr<ID3D11Texture2D>& src);
 
 private:
     Microsoft::WRL::ComPtr<ID3D11Device> device_;
-    std::vector<std::shared_ptr<SharedTextureWrapper>> cachedSharedTextures_;
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> cachedSharedTexture_;
 };
diff --git a/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.cpp b/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.cpp
index df9a8af..c1eb538 100644
--- a/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.cpp
+++ b/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.cpp
@@ -33,8 +33,7 @@ Duplicator::~Duplicator()
 
 void Duplicator::InitializeDevice()
 {
-    const UINT cachedTextureNum = 2;
-    device_ = std::make_shared<IsolatedD3D11Device>(cachedTextureNum);
+    device_ = std::make_shared<IsolatedD3D11Device>();
 
     if (FAILED(device_->Create(monitor_->GetAdapter())))
     {
@@ -315,18 +314,13 @@ void Duplicator::Duplicate(UINT timeout)
         return;
     }
 
-    //auto sharedTextureWrapper = device_->GetCompatibleSharedTexture(texture, lastFrameId_ % 2);
-    auto sharedTextureWrapper = device_->GetCompatibleSharedTexture(texture, 0);
-    if (!sharedTextureWrapper)
+    auto sharedTexture = device_->GetCompatibleSharedTexture(texture);
+    if (!sharedTexture)
     {
         Debug::Error("Duplicator::Duplicate() => Shared texture is null.");
         return;
     }
 
-    auto sharedTexture = sharedTextureWrapper->Lock();
-    if (!sharedTexture) return;
-    ScopedReleaser sharedTextureReleaser([&] { sharedTextureWrapper->Unlock(); });
-
     {
         UDD_SCOPE_TIMER(CopyResource);
         ComPtr<ID3D11DeviceContext> context;
@@ -342,7 +336,7 @@ void Duplicator::Duplicate(UINT timeout)
         lastFrame_ = Frame
         {
             lastFrameId_++,
-            sharedTextureWrapper,
+            sharedTexture,
             frameInfo,
             metaData_
         };
diff --git a/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.h b/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.h
index b52d361..3f4523b 100644
--- a/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.h
+++ b/Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.h
@@ -45,7 +45,7 @@ public:
     struct Frame
     {
         UINT id;
-        std::shared_ptr<class SharedTextureWrapper> texture;
+        Microsoft::WRL::ComPtr<ID3D11Texture2D> texture;
         DXGI_OUTDUPL_FRAME_INFO info;
         Metadata metaData;
     };
diff --git a/Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp b/Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp
index 9b148b6..f5b927f 100644
--- a/Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp
+++ b/Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp
@@ -75,15 +75,10 @@ void Monitor::Render()
     if (frame.id == lastFrameId_) return;
     lastFrameId_ = frame.id;
 
-    const auto& sharedTextureWrapper = frame.texture;
-    auto sharedTexture = sharedTextureWrapper->Lock();
-    if (!sharedTexture) return;
-    ScopedReleaser sharedTextureReleaser([&] { sharedTextureWrapper->Unlock(); });
-
 	if (unityTexture_)
 	{
 		D3D11_TEXTURE2D_DESC srcDesc, dstDesc;
-		sharedTexture->GetDesc(&srcDesc);
+		frame.texture->GetDesc(&srcDesc);
 		unityTexture_->GetDesc(&dstDesc);
 		if (srcDesc.Width  != dstDesc.Width ||
 			srcDesc.Height != dstDesc.Height)
@@ -97,7 +92,7 @@ void Monitor::Render()
 		{
 			ComPtr<ID3D11DeviceContext> context;
 			GetDevice()->GetImmediateContext(&context);
-			context->CopyResource(unityTexture_, sharedTexture.Get());
+			context->CopyResource(unityTexture_, frame.texture.Get());
 
             auto cursor = GetMonitorManager()->GetCursor();
             cursor->Draw(unityTexture_);