--- a/mobile/android/base/gfx/LayerRenderer.java
+++ b/mobile/android/base/gfx/LayerRenderer.java
@@ -326,24 +326,16 @@ public class LayerRenderer implements GL
 
     public void onSurfaceChanged(GL10 gl, final int width, final int height) {
         GLES20.glViewport(0, 0, width, height);
 
         if (mFrameRateLayer != null) {
             moveFrameRateLayer(width, height);
         }
 
-        // updating the state in the view/controller/client should be
-        // done on the main UI thread, not the GL renderer thread
-        mView.post(new Runnable() {
-            public void run() {
-                mView.setViewportSize(new IntSize(width, height));
-            }
-        });
-
         /* TODO: Throw away tile images? */
     }
 
     private void updateDroppedFrames(long frameStartTime) {
         int frameElapsedTime = (int)(SystemClock.uptimeMillis() - frameStartTime);
 
         /* Update the running statistics. */
         mFrameTimingsSum -= mFrameTimings[mCurrentFrame];

--- a/mobile/android/base/gfx/LayerView.java
+++ b/mobile/android/base/gfx/LayerView.java
@@ -85,21 +85,16 @@ public class LayerView extends SurfaceVi
             GeckoApp.mFormAssistPopup.hide();
 
         return mTouchEventHandler.handleEvent(event);
     }
 
     public LayerController getController() { return mController; }
     public TouchEventHandler getTouchEventHandler() { return mTouchEventHandler; }
 
-    /** The LayerRenderer calls this to indicate that the window has changed size. */
-    public void setViewportSize(IntSize size) {
-        mController.setViewportSize(new FloatSize(size));
-    }
-
     public GeckoInputConnection setInputConnectionHandler() {
         GeckoInputConnection geckoInputConnection = GeckoInputConnection.create(this);
         mInputConnectionHandler = geckoInputConnection;
         return geckoInputConnection;
     }
 
     @Override
     public InputConnection onCreateInputConnection(EditorInfo outAttrs) {