diff --git a/telephony/java/android/telephony/AccessNetworkConstants.java b/telephony/java/android/telephony/AccessNetworkConstants.java
index 96e715ee0495b..1d7a4761dec6c 100644
--- a/telephony/java/android/telephony/AccessNetworkConstants.java
+++ b/telephony/java/android/telephony/AccessNetworkConstants.java
@@ -62,6 +62,7 @@ public final class AccessNetworkConstants {
         switch (transportType) {
             case TRANSPORT_TYPE_WWAN: return "WWAN";
             case TRANSPORT_TYPE_WLAN: return "WLAN";
+            case TRANSPORT_TYPE_INVALID: return "INVALID";
             default: return Integer.toString(transportType);
         }
     }
diff --git a/telephony/java/android/telephony/data/ApnSetting.java b/telephony/java/android/telephony/data/ApnSetting.java
index bb90fb17f4bbf..be1502ad49f23 100644
--- a/telephony/java/android/telephony/data/ApnSetting.java
+++ b/telephony/java/android/telephony/data/ApnSetting.java
@@ -1581,16 +1581,6 @@ public class ApnSetting implements Parcelable {
         return apnTypeString == null ? "" : apnTypeString;
     }
 
-    /**
-     * Same as {@link #getApnTypeString(int)}, but returns "Unknown" instead of an empty string
-     * when provided with an invalid int for compatibility purposes.
-     * @hide
-     */
-    public static @NonNull String getApnTypeStringInternal(@ApnType int apnType) {
-        String result = getApnTypeString(apnType);
-        return TextUtils.isEmpty(result) ? "Unknown" : result;
-    }
-
     /**
      * Converts the string representation of an APN type to its integer representation.
      *