diff --git a/tv/tuner/1.0/types.hal b/tv/tuner/1.0/types.hal
index 944da5a..989c38d 100644
--- a/tv/tuner/1.0/types.hal
+++ b/tv/tuner/1.0/types.hal
@@ -1396,18 +1396,6 @@
      */
     LAYER_ERROR,
     /**
-     * CN value by VBER.
-     */
-    VBER_CN,
-    /**
-     * CN value by LBER.
-     */
-    LBER_CN,
-    /**
-     * CN value by XER.
-     */
-    XER_CN,
-    /**
      * Moduration Error Ratio.
      */
     MER,
@@ -1530,21 +1518,6 @@
     vec<bool> isLayerError;
 
     /**
-     * CN value by VBER measured by 0.001 dB
-     */
-    int32_t vberCn;
-
-    /**
-     * CN value by LBER measured by 0.001 dB
-     */
-    int32_t lberCn;
-
-    /**
-     * CN value by XER measured by 0.001 dB
-     */
-    int32_t xerCn;
-
-    /**
      * MER value measured by 0.001 dB
      */
     int32_t mer;