diff --git a/libs/renderengine/RenderEngine.cpp b/libs/renderengine/RenderEngine.cpp
index c3fbb60..eb0074b 100644
--- a/libs/renderengine/RenderEngine.cpp
+++ b/libs/renderengine/RenderEngine.cpp
@@ -62,10 +62,6 @@
     return SyncFeatures::getInstance().useNativeFenceSync();
 }
 
-bool RenderEngine::useWaitSync() const {
-    return SyncFeatures::getInstance().useWaitSync();
-}
-
 } // namespace impl
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 3dcfebe..3090d19 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -114,6 +114,28 @@
 namespace renderengine {
 namespace gl {
 
+class BindNativeBufferAsFramebuffer {
+public:
+    BindNativeBufferAsFramebuffer(GLESRenderEngine& engine, ANativeWindowBuffer* buffer,
+                                  const bool useFramebufferCache)
+          : mEngine(engine), mFramebuffer(mEngine.getFramebufferForDrawing()), mStatus(NO_ERROR) {
+        mStatus = mFramebuffer->setNativeWindowBuffer(buffer, mEngine.isProtected(),
+                                                      useFramebufferCache)
+                ? mEngine.bindFrameBuffer(mFramebuffer)
+                : NO_MEMORY;
+    }
+    ~BindNativeBufferAsFramebuffer() {
+        mFramebuffer->setNativeWindowBuffer(nullptr, false, /*arbitrary*/ true);
+        mEngine.unbindFrameBuffer(mFramebuffer);
+    }
+    status_t getStatus() const { return mStatus; }
+
+private:
+    GLESRenderEngine& mEngine;
+    Framebuffer* mFramebuffer;
+    status_t mStatus;
+};
+
 using base::StringAppendF;
 using ui::Dataspace;
 
diff --git a/libs/renderengine/gl/GLESRenderEngine.h b/libs/renderengine/gl/GLESRenderEngine.h
index 2c6eae2..2a98bd8 100644
--- a/libs/renderengine/gl/GLESRenderEngine.h
+++ b/libs/renderengine/gl/GLESRenderEngine.h
@@ -60,13 +60,10 @@
     void primeCache() const override;
     void genTextures(size_t count, uint32_t* names) override;
     void deleteTextures(size_t count, uint32_t const* names) override;
-    void bindExternalTextureImage(uint32_t texName, const Image& image) override;
     status_t bindExternalTextureBuffer(uint32_t texName, const sp<GraphicBuffer>& buffer,
                                        const sp<Fence>& fence) EXCLUDES(mRenderingMutex);
     void cacheExternalTextureBuffer(const sp<GraphicBuffer>& buffer) EXCLUDES(mRenderingMutex);
     void unbindExternalTextureBuffer(uint64_t bufferId) EXCLUDES(mRenderingMutex);
-    status_t bindFrameBuffer(Framebuffer* framebuffer) override;
-    void unbindFrameBuffer(Framebuffer* framebuffer) override;
 
     bool isProtected() const override { return mInProtectedContext; }
     bool supportsProtectedContent() const override;
@@ -102,13 +99,15 @@
     std::shared_ptr<ImageManager::Barrier> unbindExternalTextureBufferForTesting(uint64_t bufferId);
 
 protected:
-    Framebuffer* getFramebufferForDrawing() override;
+    Framebuffer* getFramebufferForDrawing();
     void dump(std::string& result) override EXCLUDES(mRenderingMutex)
             EXCLUDES(mFramebufferImageCacheMutex);
     size_t getMaxTextureSize() const override;
     size_t getMaxViewportDims() const override;
 
 private:
+    friend class BindNativeBufferAsFramebuffer;
+
     enum GlesVersion {
         GLES_VERSION_1_0 = 0x10000,
         GLES_VERSION_1_1 = 0x10001,
@@ -133,6 +132,9 @@
     status_t cacheExternalTextureBufferInternal(const sp<GraphicBuffer>& buffer)
             EXCLUDES(mRenderingMutex);
     void unbindExternalTextureBufferInternal(uint64_t bufferId) EXCLUDES(mRenderingMutex);
+    status_t bindFrameBuffer(Framebuffer* framebuffer);
+    void unbindFrameBuffer(Framebuffer* framebuffer);
+    void bindExternalTextureImage(uint32_t texName, const Image& image);
 
     // A data space is considered HDR data space if it has BT2020 color space
     // with PQ or HLG transfer function.
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index 09a0f65..6db2af8 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -44,7 +44,6 @@
 
 namespace renderengine {
 
-class BindNativeBufferAsFramebuffer;
 class Image;
 class Mesh;
 class Texture;
@@ -90,10 +89,8 @@
     virtual void dump(std::string& result) = 0;
 
     virtual bool useNativeFenceSync() const = 0;
-    virtual bool useWaitSync() const = 0;
     virtual void genTextures(size_t count, uint32_t* names) = 0;
     virtual void deleteTextures(size_t count, uint32_t const* names) = 0;
-    virtual void bindExternalTextureImage(uint32_t texName, const Image& image) = 0;
     // Legacy public method used by devices that don't support native fence
     // synchronization in their GPU driver, as this method provides implicit
     // synchronization for latching buffers.
@@ -116,10 +113,6 @@
     // a buffer should never occur before binding the buffer if the caller
     // called {bind, cache}ExternalTextureBuffer before calling unbind.
     virtual void unbindExternalTextureBuffer(uint64_t bufferId) = 0;
-    // When binding a native buffer, it must be done before setViewportAndProjection
-    // Returns NO_ERROR when binds successfully, NO_MEMORY when there's no memory for allocation.
-    virtual status_t bindFrameBuffer(Framebuffer* framebuffer) = 0;
-    virtual void unbindFrameBuffer(Framebuffer* framebuffer) = 0;
 
     enum class CleanupMode {
         CLEAN_OUTPUT_RESOURCES,
@@ -187,13 +180,6 @@
                                 base::unique_fd&& bufferFence, base::unique_fd* drawFence) = 0;
 
 protected:
-    // Gets a framebuffer to render to. This framebuffer may or may not be
-    // cached depending on the implementation.
-    //
-    // Note that this method does not transfer ownership, so the caller most not
-    // live longer than RenderEngine.
-    virtual Framebuffer* getFramebufferForDrawing() = 0;
-    friend class BindNativeBufferAsFramebuffer;
     friend class threaded::RenderEngineThreaded;
 };
 
@@ -280,28 +266,6 @@
     RenderEngine::RenderEngineType renderEngineType = RenderEngine::RenderEngineType::GLES;
 };
 
-class BindNativeBufferAsFramebuffer {
-public:
-    BindNativeBufferAsFramebuffer(RenderEngine& engine, ANativeWindowBuffer* buffer,
-                                  const bool useFramebufferCache)
-          : mEngine(engine), mFramebuffer(mEngine.getFramebufferForDrawing()), mStatus(NO_ERROR) {
-        mStatus = mFramebuffer->setNativeWindowBuffer(buffer, mEngine.isProtected(),
-                                                      useFramebufferCache)
-                ? mEngine.bindFrameBuffer(mFramebuffer)
-                : NO_MEMORY;
-    }
-    ~BindNativeBufferAsFramebuffer() {
-        mFramebuffer->setNativeWindowBuffer(nullptr, false, /*arbitrary*/ true);
-        mEngine.unbindFrameBuffer(mFramebuffer);
-    }
-    status_t getStatus() const { return mStatus; }
-
-private:
-    RenderEngine& mEngine;
-    Framebuffer* mFramebuffer;
-    status_t mStatus;
-};
-
 namespace impl {
 
 // impl::RenderEngine contains common implementation that is graphics back-end agnostic.
@@ -310,7 +274,6 @@
     virtual ~RenderEngine() = 0;
 
     bool useNativeFenceSync() const override;
-    bool useWaitSync() const override;
 
 protected:
     RenderEngine(const RenderEngineCreationArgs& args);
diff --git a/libs/renderengine/include/renderengine/mock/RenderEngine.h b/libs/renderengine/include/renderengine/mock/RenderEngine.h
index e03dd58..3fd125e 100644
--- a/libs/renderengine/include/renderengine/mock/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/mock/RenderEngine.h
@@ -43,7 +43,6 @@
     MOCK_CONST_METHOD0(isCurrent, bool());
     MOCK_METHOD2(genTextures, void(size_t, uint32_t*));
     MOCK_METHOD2(deleteTextures, void(size_t, uint32_t const*));
-    MOCK_METHOD2(bindExternalTextureImage, void(uint32_t, const renderengine::Image&));
     MOCK_METHOD1(cacheExternalTextureBuffer, void(const sp<GraphicBuffer>&));
     MOCK_METHOD3(bindExternalTextureBuffer,
                  status_t(uint32_t, const sp<GraphicBuffer>&, const sp<Fence>&));
diff --git a/libs/renderengine/tests/RenderEngineThreadedTest.cpp b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
index 97c7442..78fec29 100644
--- a/libs/renderengine/tests/RenderEngineThreadedTest.cpp
+++ b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
@@ -93,26 +93,6 @@
     mThreadedRE->unbindExternalTextureBuffer(0x0);
 }
 
-TEST_F(RenderEngineThreadedTest, bindFrameBuffer_returnsBadValue) {
-    std::unique_ptr<renderengine::Framebuffer> framebuffer;
-    EXPECT_CALL(*mRenderEngine, bindFrameBuffer(framebuffer.get())).WillOnce(Return(BAD_VALUE));
-    status_t result = mThreadedRE->bindFrameBuffer(framebuffer.get());
-    ASSERT_EQ(BAD_VALUE, result);
-}
-
-TEST_F(RenderEngineThreadedTest, bindFrameBuffer_returnsNoError) {
-    std::unique_ptr<renderengine::Framebuffer> framebuffer;
-    EXPECT_CALL(*mRenderEngine, bindFrameBuffer(framebuffer.get())).WillOnce(Return(NO_ERROR));
-    status_t result = mThreadedRE->bindFrameBuffer(framebuffer.get());
-    ASSERT_EQ(NO_ERROR, result);
-}
-
-TEST_F(RenderEngineThreadedTest, unbindFrameBuffer) {
-    std::unique_ptr<renderengine::Framebuffer> framebuffer;
-    EXPECT_CALL(*mRenderEngine, unbindFrameBuffer(framebuffer.get()));
-    mThreadedRE->unbindFrameBuffer(framebuffer.get());
-}
-
 TEST_F(RenderEngineThreadedTest, getMaxTextureSize_returns20) {
     size_t size = 20;
     EXPECT_CALL(*mRenderEngine, getMaxTextureSize()).WillOnce(Return(size));
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index d4184fd..dc47070 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -131,21 +131,6 @@
     return resultFuture.get();
 }
 
-bool RenderEngineThreaded::useWaitSync() const {
-    std::promise<bool> resultPromise;
-    std::future<bool> resultFuture = resultPromise.get_future();
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push([&resultPromise](renderengine::RenderEngine& /*instance*/) {
-            ATRACE_NAME("REThreaded::useWaitSync");
-            bool returnValue = SyncFeatures::getInstance().useWaitSync();
-            resultPromise.set_value(returnValue);
-        });
-    }
-    mCondition.notify_one();
-    return resultFuture.get();
-}
-
 void RenderEngineThreaded::genTextures(size_t count, uint32_t* names) {
     std::promise<void> resultPromise;
     std::future<void> resultFuture = resultPromise.get_future();
@@ -176,22 +161,6 @@
     resultFuture.wait();
 }
 
-void RenderEngineThreaded::bindExternalTextureImage(uint32_t texName, const Image& image) {
-    std::promise<void> resultPromise;
-    std::future<void> resultFuture = resultPromise.get_future();
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push(
-                [&resultPromise, texName, &image](renderengine::RenderEngine& instance) {
-                    ATRACE_NAME("REThreaded::bindExternalTextureImage");
-                    instance.bindExternalTextureImage(texName, image);
-                    resultPromise.set_value();
-                });
-    }
-    mCondition.notify_one();
-    resultFuture.wait();
-}
-
 status_t RenderEngineThreaded::bindExternalTextureBuffer(uint32_t texName,
                                                          const sp<GraphicBuffer>& buffer,
                                                          const sp<Fence>& fence) {
@@ -240,36 +209,6 @@
     resultFuture.wait();
 }
 
-status_t RenderEngineThreaded::bindFrameBuffer(Framebuffer* framebuffer) {
-    std::promise<status_t> resultPromise;
-    std::future<status_t> resultFuture = resultPromise.get_future();
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push([&resultPromise, &framebuffer](renderengine::RenderEngine& instance) {
-            ATRACE_NAME("REThreaded::bindFrameBuffer");
-            status_t status = instance.bindFrameBuffer(framebuffer);
-            resultPromise.set_value(status);
-        });
-    }
-    mCondition.notify_one();
-    return resultFuture.get();
-}
-
-void RenderEngineThreaded::unbindFrameBuffer(Framebuffer* framebuffer) {
-    std::promise<void> resultPromise;
-    std::future<void> resultFuture = resultPromise.get_future();
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push([&resultPromise, &framebuffer](renderengine::RenderEngine& instance) {
-            ATRACE_NAME("REThreaded::unbindFrameBuffer");
-            instance.unbindFrameBuffer(framebuffer);
-            resultPromise.set_value();
-        });
-    }
-    mCondition.notify_one();
-    resultFuture.wait();
-}
-
 size_t RenderEngineThreaded::getMaxTextureSize() const {
     std::promise<size_t> resultPromise;
     std::future<size_t> resultFuture = resultPromise.get_future();
@@ -346,21 +285,6 @@
     return resultFuture.get();
 }
 
-Framebuffer* RenderEngineThreaded::getFramebufferForDrawing() {
-    std::promise<Framebuffer*> resultPromise;
-    std::future<Framebuffer*> resultFuture = resultPromise.get_future();
-    {
-        std::lock_guard lock(mThreadMutex);
-        mFunctionCalls.push([&resultPromise](renderengine::RenderEngine& instance) {
-            ATRACE_NAME("REThreaded::getFramebufferForDrawing");
-            Framebuffer* framebuffer = instance.getFramebufferForDrawing();
-            resultPromise.set_value(framebuffer);
-        });
-    }
-    mCondition.notify_one();
-    return resultFuture.get();
-}
-
 bool RenderEngineThreaded::cleanupPostRender(CleanupMode mode) {
     std::promise<bool> resultPromise;
     std::future<bool> resultFuture = resultPromise.get_future();
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 86a49e9..96a49b3 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -46,16 +46,12 @@
     void dump(std::string& result) override;
 
     bool useNativeFenceSync() const override;
-    bool useWaitSync() const override;
     void genTextures(size_t count, uint32_t* names) override;
     void deleteTextures(size_t count, uint32_t const* names) override;
-    void bindExternalTextureImage(uint32_t texName, const Image& image) override;
     status_t bindExternalTextureBuffer(uint32_t texName, const sp<GraphicBuffer>& buffer,
                                        const sp<Fence>& fence) override;
     void cacheExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override;
     void unbindExternalTextureBuffer(uint64_t bufferId) override;
-    status_t bindFrameBuffer(Framebuffer* framebuffer) override;
-    void unbindFrameBuffer(Framebuffer* framebuffer) override;
     size_t getMaxTextureSize() const override;
     size_t getMaxViewportDims() const override;
 
@@ -69,9 +65,6 @@
                         const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
                         base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
 
-protected:
-    Framebuffer* getFramebufferForDrawing() override;
-
 private:
     void threadMain(CreateInstanceFactory factory);