diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index a315e6d3993535f867854eb9a298eec8d5c40b51..dfd51ab8f67ad25b92af51a16a8fa167d5149cfd 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -820,13 +820,6 @@ public class CarrierConfigManager {
     public static final String KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL =
             "always_show_emergency_alert_onoff_bool";
 
-    /**
-     * The flag to disable cell broadcast severe alert when extreme alert is disabled.
-     * @hide
-     */
-    public static final String KEY_DISABLE_SEVERE_WHEN_EXTREME_DISABLED_BOOL =
-            "disable_severe_when_extreme_disabled_bool";
-
     /**
      * The data call retry configuration for different types of APN.
      * @hide
@@ -3455,7 +3448,6 @@ public class CarrierConfigManager {
         sDefaults.putStringArray(KEY_APN_SETTINGS_DEFAULT_APN_TYPES_STRING_ARRAY, null);
         sDefaults.putBoolean(KEY_BROADCAST_EMERGENCY_CALL_STATE_CHANGES_BOOL, false);
         sDefaults.putBoolean(KEY_ALWAYS_SHOW_EMERGENCY_ALERT_ONOFF_BOOL, false);
-        sDefaults.putBoolean(KEY_DISABLE_SEVERE_WHEN_EXTREME_DISABLED_BOOL, true);
         sDefaults.putStringArray(KEY_CARRIER_DATA_CALL_RETRY_CONFIG_STRINGS, new String[]{
                 "default:default_randomization=2000,5000,10000,20000,40000,80000:5000,160000:5000,"
                         + "320000:5000,640000:5000,1280000:5000,1800000:5000",