diff --git a/automotive/evs/1.1/IEvsCamera.hal b/automotive/evs/1.1/IEvsCamera.hal
index 975b6c6..21ca79e 100644
--- a/automotive/evs/1.1/IEvsCamera.hal
+++ b/automotive/evs/1.1/IEvsCamera.hal
@@ -26,14 +26,6 @@
  */
 interface IEvsCamera extends @1.0::IEvsCamera {
     /**
-     * Returns the description of this camera.
-     *
-     * @return info The description of this camera.  This must be the same value as
-     *              reported by EvsEnumerator::getCameraList_1_1().
-     */
-    getCameraInfo_1_1() generates (CameraDesc info);
-
-    /**
      * Requests to pause EVS camera stream events.
      *
      * Like stopVideoStream(), events may continue to arrive for some time
@@ -108,27 +100,7 @@
     unsetMaster() generates (EvsResult result);
 
     /**
-     * Retrieves a list of parameters this camera supports.
-     *
-     * @return params A list of CameraParam that this camera supports.
-     */
-    getParameterList() generates (vec<CameraParam> params);
-
-    /**
-     * Requests a valid value range of a camera parameter
-     *
-     * @param  id    The identifier of camera parameter, CameraParam enum.
-     *
-     * @return min   The lower bound of valid parameter value range.
-     * @return max   The upper bound of valid parameter value range.
-     * @return step  The resolution of values in valid range.
-     */
-    getIntParameterRange(CameraParam id)
-        generates (int32_t min, int32_t max, int32_t step);
-
-    /**
-     * Requests to set a camera parameter.  Only a request from the master
-     * client will be processed successfully.
+     * Requests to set a camera parameter.
      *
      * @param  id             The identifier of camera parameter, CameraParam enum.
      *         value          A desired parameter value.
@@ -142,7 +114,7 @@
      *                        from what the client gives if, for example, the
      *                        driver does not support a target parameter.
      */
-    setIntParameter(CameraParam id, int32_t value)
+    setParameter(CameraParam id, int32_t value)
         generates (EvsResult result, int32_t effectiveValue);
 
     /**
@@ -154,5 +126,5 @@
      *                not supported.
      *         value  A value of requested camera parameter.
      */
-    getIntParameter(CameraParam id) generates(EvsResult result, int32_t value);
+    getParameter(CameraParam id) generates(EvsResult result, int32_t value);
 };