diff --git a/automotive/evs/1.1/IEvsCameraStream.hal b/automotive/evs/1.1/IEvsCameraStream.hal
index 9e4ea19..7c7f832 100644
--- a/automotive/evs/1.1/IEvsCameraStream.hal
+++ b/automotive/evs/1.1/IEvsCameraStream.hal
@@ -17,32 +17,15 @@
 package android.hardware.automotive.evs@1.1;
 
 import @1.0::IEvsCameraStream;
-import @1.1::BufferDesc;
-import @1.1::EvsEvent;
 
 /**
  * Implemented on client side to receive asynchronous streaming event deliveries.
  */
 interface IEvsCameraStream extends @1.0::IEvsCameraStream {
-
-    /**
-     * Receives calls from the HAL each time a video frame is ready for inspection.
-     * Buffer handles received by this method must be returned via calls to
-     * IEvsCamera::doneWithFrame_1_1(). When the video stream is stopped via a call
-     * to IEvsCamera::stopVideoStream(), this callback may continue to happen for
-     * some time as the pipeline drains. Each frame must still be returned.
-     * When the last frame in the stream has been delivered, STREAM_STOPPED
-     * event must be delivered.  No further frame deliveries may happen
-     * thereafter.
-     *
-     * @param buffer a buffer descriptor of a delivered image frame.
-     */
-    oneway deliverFrame_1_1(BufferDesc buffer);
-
     /**
      * Receives calls from the HAL each time an event happens.
      *
      * @param  event EVS event with possible event information.
      */
-    oneway notify(EvsEvent event);
+    oneway notifyEvent(EvsEvent event);
 };