diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index b9c0e1c6cc758..a0cf3bb3cf7ea 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -902,13 +902,6 @@ public class CarrierConfigManager {
     public static final String KEY_BROADCAST_EMERGENCY_CALL_STATE_CHANGES_BOOL =
             "broadcast_emergency_call_state_changes_bool";
 
-    /**
-     * Cell broadcast additional channels enbled by the carrier
-     * @hide
-     */
-    public static final String KEY_CARRIER_ADDITIONAL_CBS_CHANNELS_STRINGS =
-            "carrier_additional_cbs_channels_strings";
-
     /**
       * Indicates whether STK LAUNCH_BROWSER command is disabled.
       * If {@code true}, then the browser will not be launched
diff --git a/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java b/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
index bce5680b2863d..f28d1263d13a3 100644
--- a/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
+++ b/telephony/java/com/android/internal/telephony/gsm/SmsCbConstants.java
@@ -34,18 +34,6 @@ public class SmsCbConstants {
     public static final int MESSAGE_ID_GSMA_ALLOCATED_CHANNEL_50
             = 0x0032;
 
-    /** Channel 911 required by Taiwan NCC. ID 0~999 is allocated by GSMA */
-    public static final int MESSAGE_ID_GSMA_ALLOCATED_CHANNEL_911
-            = 0x038F; // 911
-
-    /** Channel 919 required by Taiwan NCC and Israel. ID 0~999 is allocated by GSMA */
-    public static final int MESSAGE_ID_GSMA_ALLOCATED_CHANNEL_919
-            = 0x0397; // 919
-
-    /** Channel 928 required by Israel. ID 0~999 is allocated by GSMA */
-    public static final int MESSAGE_ID_GSMA_ALLOCATED_CHANNEL_928
-            = 0x03A0; // 928
-
     /** Start of PWS Message Identifier range (includes ETWS and CMAS). */
     public static final int MESSAGE_ID_PWS_FIRST_IDENTIFIER
             = 0x1100; // 4352