diff --git a/cocos/renderer/backend/opengl/CommandBufferGL.cpp b/cocos/renderer/backend/opengl/CommandBufferGL.cpp
index 8eed2d2f7c..d9e8899a5d 100644
--- a/cocos/renderer/backend/opengl/CommandBufferGL.cpp
+++ b/cocos/renderer/backend/opengl/CommandBufferGL.cpp
@@ -60,26 +60,11 @@ namespace
 CommandBufferGL::CommandBufferGL()
 {
     glGetIntegerv(GL_FRAMEBUFFER_BINDING, &_defaultFBO);
-
-#if CC_ENABLE_CACHE_TEXTURE_DATA
-    _backToForegroundListener = EventListenerCustom::create(EVENT_RENDERER_RECREATED, [this](EventCustom*){
-       if(_generatedFBO)
-           glGenFramebuffers(1, &_generatedFBO); //recreate framebuffer
-    });
-    Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, -1);
-#endif
 }
 
 CommandBufferGL::~CommandBufferGL()
 {
-    if(_generatedFBO)
-        glDeleteFramebuffers(1, &_generatedFBO);
-
     cleanResources();
-
-#if CC_ENABLE_CACHE_TEXTURE_DATA
-    Director::getInstance()->getEventDispatcher()->removeEventListener(_backToForegroundListener);
-#endif
 }
 
 void CommandBufferGL::beginFrame()
diff --git a/cocos/renderer/backend/opengl/CommandBufferGL.h b/cocos/renderer/backend/opengl/CommandBufferGL.h
index c516302cab..61362d92e4 100644
--- a/cocos/renderer/backend/opengl/CommandBufferGL.h
+++ b/cocos/renderer/backend/opengl/CommandBufferGL.h
@@ -198,15 +198,6 @@ private:
     void setUniform(bool isArray, GLuint location, unsigned int size, GLenum uniformType, void* data) const;
     void cleanResources();
 
-    // The frame buffer generated by engine. All frame buffer other than default frame buffer share it.
-    GLuint _generatedFBO = 0;
-    bool _generatedFBOBindColor = false;
-    bool _generatedFBOBindDepth = false;
-    bool _generatedFBOBindStencil = false;
-#if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32 || CC_TARGET_PLATFORM == CC_PLATFORM_LINUX
-    bool _framebufferReadWriteDisabled = false;
-#endif
-
     GLint _defaultFBO = 0;  // The value gets from glGetIntegerv, so need to use GLint
     GLuint _currentFBO = 0;
     BufferGL* _vertexBuffer = nullptr;