diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index b1bb28c37b159..b5b32e454ab9b 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -1642,7 +1642,8 @@ public class TelephonyManager {
      * @hide
      */
     public String getNetworkCountryIso(int subId) {
-        return getNetworkCountryIsoForPhone(getPhoneId(subId));
+        int phoneId = SubscriptionManager.getPhoneId(subId);
+        return getNetworkCountryIsoForPhone(phoneId);
     }
 
     /**
@@ -1657,14 +1658,7 @@ public class TelephonyManager {
      */
     /** {@hide} */
     public String getNetworkCountryIsoForPhone(int phoneId) {
-        try {
-            ITelephony telephony = getITelephony();
-            if (telephony != null)
-                return "";
-            return telephony.getNetworkCountryIsoForPhone(phoneId);
-        } catch (RemoteException ex) {
-                return "";
-        }
+        return getTelephonyProperty(phoneId, TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY, "");
     }
 
     /** Network type is unknown */
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 654adb280310e..a0e5b7b0a1d6b 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -376,13 +376,6 @@ interface ITelephony {
 
     Bundle getCellLocation(String callingPkg);
 
-    /**
-     * Returns the ISO country code equivalent of the current registered
-     * operator's MCC (Mobile Country Code).
-     * @see android.telephony.TelephonyManager#getNetworkCountryIso
-     */
-    String getNetworkCountryIsoForPhone(int phoneId);
-
     /**
      * Returns the neighboring cell information of the device.
      */