diff --git a/tv/tuner/1.0/types.hal b/tv/tuner/1.0/types.hal
index 5a6273042c..71db10925d 100644
--- a/tv/tuner/1.0/types.hal
+++ b/tv/tuner/1.0/types.hal
@@ -1427,18 +1427,6 @@ enum FrontendStatusType : uint32_t {
      * Error status by layer.
      */
     LAYER_ERROR,
-    /**
-     * CN value by VBER.
-     */
-    VBER_CN,
-    /**
-     * CN value by LBER.
-     */
-    LBER_CN,
-    /**
-     * CN value by XER.
-     */
-    XER_CN,
     /**
      * Moduration Error Ratio.
      */
@@ -1561,21 +1549,6 @@ safe_union FrontendStatus {
 
     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
      */