--- a/mobile/android/base/gfx/LayerRenderer.java
+++ b/mobile/android/base/gfx/LayerRenderer.java
@@ -37,17 +37,17 @@ import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 /**
  * The layer renderer implements the rendering logic for a layer view.
  */
-public class LayerRenderer implements GLSurfaceView.Renderer {
+public class LayerRenderer {
     private static final String LOGTAG = "GeckoLayerRenderer";
     private static final String PROFTAG = "GeckoLayerRendererProf";
 
     /*
      * The amount of time a frame is allowed to take to render before we declare it a dropped
      * frame.
      */
     private static final int MAX_FRAME_TIME = 16;   /* 1000 ms / 60 FPS */
@@ -191,17 +191,17 @@ public class LayerRenderer implements GL
                 mCoordByteBuffer = null;
                 mCoordBuffer = null;
             }
         } finally {
             super.finalize();
         }
     }
 
-    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+    void onSurfaceCreated(GL10 gl, EGLConfig config) {
         checkMonitoringEnabled();
         createDefaultProgram();
         activateDefaultProgram();
     }
 
     public void createDefaultProgram() {
         int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, DEFAULT_VERTEX_SHADER);
         int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, DEFAULT_FRAGMENT_SHADER);
@@ -263,33 +263,16 @@ public class LayerRenderer implements GL
     }
 
     public void removeLayer(Layer layer) {
         synchronized (mExtraLayers) {
             mExtraLayers.remove(layer);
         }
     }
 
-    /**
-     * Called whenever a new frame is about to be drawn.
-     */
-    public void onDrawFrame(GL10 gl) {
-	/* This code is causing crashes when the surface changes. (bug 738188)
-	 * I'm not sure if it actually works, so I'm disabling it now to avoid the crash.
-        Frame frame = createFrame(mView.getController().getViewportMetrics());
-        synchronized (mView.getController()) {
-            frame.beginDrawing();
-            frame.drawBackground();
-            frame.drawRootLayer();
-            frame.drawForeground();
-            frame.endDrawing();
-        }
-	*/
-    }
-
     private void printCheckerboardStats() {
         Log.d(PROFTAG, "Frames rendered over last 1000ms: " + mCompleteFramesRendered + "/" + mFramesRendered);
         mFramesRendered = 0;
         mCompleteFramesRendered = 0;
     }
 
     /** Used by robocop for testing purposes. Not for production use! */
     IntBuffer getPixels() {
@@ -319,17 +302,17 @@ public class LayerRenderer implements GL
         return createContext(new RectF(viewport), pageRect, zoomFactor);
     }
 
     private RenderContext createContext(RectF viewport, RectF pageRect, float zoomFactor) {
         return new RenderContext(viewport, pageRect, zoomFactor, mPositionHandle, mTextureHandle,
                                  mCoordBuffer);
     }
 
-    public void onSurfaceChanged(GL10 gl, final int width, final int height) {
+    void onSurfaceChanged(GL10 gl, final int width, final int height) {
         GLES20.glViewport(0, 0, width, height);
 
         if (mFrameRateLayer != null) {
             moveFrameRateLayer(width, height);
         }
 
         /* TODO: Throw away tile images? */
     }