diff --git a/core/java/android/telephony/CellBroadcastIntents.java b/core/java/android/telephony/CellBroadcastIntents.java
index c3ca2866c71c8..b9ad7734b24c4 100644
--- a/core/java/android/telephony/CellBroadcastIntents.java
+++ b/core/java/android/telephony/CellBroadcastIntents.java
@@ -104,7 +104,7 @@ public class CellBroadcastIntents {
      * Put the phone ID and sub ID into an intent as extras.
      */
     private static void putPhoneIdAndSubIdExtra(Context context, Intent intent, int phoneId) {
-        int subId = getSubIdForPhone(context, phoneId);
+        int subId = SubscriptionManager.getSubscriptionId(phoneId);
         if (subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
             intent.putExtra("subscription", subId);
             intent.putExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, subId);
@@ -112,22 +112,4 @@ public class CellBroadcastIntents {
         intent.putExtra("phone", phoneId);
         intent.putExtra(SubscriptionManager.EXTRA_SLOT_INDEX, phoneId);
     }
-
-    /**
-     * Get the subscription ID for a phone ID, or INVALID_SUBSCRIPTION_ID if the phone does not
-     * have an active sub
-     * @param phoneId the phoneId to use
-     * @return the associated sub id
-     */
-    private static int getSubIdForPhone(Context context, int phoneId) {
-        SubscriptionManager subMan =
-                (SubscriptionManager) context.getSystemService(
-                        Context.TELEPHONY_SUBSCRIPTION_SERVICE);
-        int[] subIds = subMan.getSubscriptionIds(phoneId);
-        if (subIds != null) {
-            return subIds[0];
-        } else {
-            return SubscriptionManager.INVALID_SUBSCRIPTION_ID;
-        }
-    }
 }
diff --git a/telephony/java/android/telephony/ims/feature/ImsFeature.java b/telephony/java/android/telephony/ims/feature/ImsFeature.java
index 174675fcde4ca..a8fb36b591fa0 100644
--- a/telephony/java/android/telephony/ims/feature/ImsFeature.java
+++ b/telephony/java/android/telephony/ims/feature/ImsFeature.java
@@ -342,8 +342,8 @@ public abstract class ImsFeature {
     /**
      * @return The SIM slot index associated with this ImsFeature.
      *
-     * @see SubscriptionManager#getSubscriptionIds(int) for more information on getting the
-     * subscription IDs associated with this slot.
+     * @see SubscriptionManager#getSubscriptionId(int) for more information on getting the
+     * subscription ID associated with this slot.
      * @hide
      */
     @SystemApi