diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 73a3082006575..5b1e1a9a3683c 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -5073,16 +5073,6 @@ public class CarrierConfigManager {
     public static final String KEY_CALL_COMPOSER_PICTURE_SERVER_URL_STRING =
             "call_composer_picture_server_url_string";
 
-    /**
-     * For Android 11, provide a temporary solution for OEMs to use the lower of the two MTU values
-     * for IPv4 and IPv6 if both are sent.
-     * TODO: remove in later release
-     *
-     * @hide
-     */
-    public static final String KEY_USE_LOWER_MTU_VALUE_IF_BOTH_RECEIVED =
-            "use_lower_mtu_value_if_both_received";
-
     /**
      * Determines the default RTT mode.
      *
@@ -5803,7 +5793,6 @@ public class CarrierConfigManager {
         sDefaults.putString(KEY_DEFAULT_PREFERRED_APN_NAME_STRING, "");
         sDefaults.putBoolean(KEY_SUPPORTS_CALL_COMPOSER_BOOL, false);
         sDefaults.putString(KEY_CALL_COMPOSER_PICTURE_SERVER_URL_STRING, "");
-        sDefaults.putBoolean(KEY_USE_LOWER_MTU_VALUE_IF_BOTH_RECEIVED, false);
         sDefaults.putBoolean(KEY_USE_ACS_FOR_RCS_BOOL, false);
         sDefaults.putBoolean(KEY_NETWORK_TEMP_NOT_METERED_SUPPORTED_BOOL, true);
         sDefaults.putInt(KEY_DEFAULT_RTT_MODE_INT, 0);