diff --git a/libs/ui/GraphicBuffer.cpp b/libs/ui/GraphicBuffer.cpp
index 4fae233..d21758d 100644
--- a/libs/ui/GraphicBuffer.cpp
+++ b/libs/ui/GraphicBuffer.cpp
@@ -39,6 +39,10 @@
     return id;
 }
 
+sp<GraphicBuffer> GraphicBuffer::from(ANativeWindowBuffer* anwb) {
+    return static_cast<GraphicBuffer *>(anwb);
+}
+
 GraphicBuffer::GraphicBuffer()
     : BASE(), mOwner(ownData), mBufferMapper(GraphicBufferMapper::get()),
       mInitCheck(NO_ERROR), mId(getUniqueId()), mGenerationNumber(0)
@@ -79,21 +83,6 @@
 {
 }
 
-GraphicBuffer::GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership)
-    : BASE(), mOwner(keepOwnership ? ownHandle : ownNone),
-      mBufferMapper(GraphicBufferMapper::get()),
-      mInitCheck(NO_ERROR), mWrappedBuffer(buffer), mId(getUniqueId()),
-      mGenerationNumber(0)
-{
-    width  = buffer->width;
-    height = buffer->height;
-    stride = buffer->stride;
-    format = buffer->format;
-    layerCount = buffer->layerCount;
-    usage  = buffer->usage;
-    handle = buffer->handle;
-}
-
 GraphicBuffer::GraphicBuffer(const native_handle_t* handle,
         HandleWrapMethod method, uint32_t width, uint32_t height,
         PixelFormat format, uint32_t layerCount,
@@ -125,7 +114,6 @@
         allocator.free(handle);
     }
     handle = NULL;
-    mWrappedBuffer = 0;
 }
 
 status_t GraphicBuffer::initCheck() const {