diff --git a/core/java/android/service/notification/NotificationRankingUpdate.java b/core/java/android/service/notification/NotificationRankingUpdate.java
index 75640bd47ab9b..f3b4c6da4a01e 100644
--- a/core/java/android/service/notification/NotificationRankingUpdate.java
+++ b/core/java/android/service/notification/NotificationRankingUpdate.java
@@ -92,6 +92,7 @@ public class NotificationRankingUpdate implements Parcelable {
                 mapParcel.recycle();
                 if (buffer != null) {
                     mRankingMapFd.unmap(buffer);
+                    mRankingMapFd.close();
                 }
             }
         } else {
diff --git a/core/tests/coretests/src/android/service/notification/NotificationRankingUpdateTest.java b/core/tests/coretests/src/android/service/notification/NotificationRankingUpdateTest.java
index a84ac55f0d5a2..55ded9c8813d0 100644
--- a/core/tests/coretests/src/android/service/notification/NotificationRankingUpdateTest.java
+++ b/core/tests/coretests/src/android/service/notification/NotificationRankingUpdateTest.java
@@ -136,7 +136,11 @@ public class NotificationRankingUpdateTest {
         NotificationListenerService.RankingMap retrievedRankings =
                 retrievedRankingUpdate.getRankingMap();
         assertNotNull(retrievedRankings);
-        assertTrue(retrievedRankingUpdate.isFdNotNullAndClosed());
+        // The rankingUpdate file descriptor is only non-null in the new path.
+        if (SystemUiSystemPropertiesFlags.getResolver().isEnabled(
+                SystemUiSystemPropertiesFlags.NotificationFlags.RANKING_UPDATE_ASHMEM)) {
+            assertTrue(retrievedRankingUpdate.isFdNotNullAndClosed());
+        }
         NotificationListenerService.Ranking retrievedRanking =
                 new NotificationListenerService.Ranking();
         assertTrue(retrievedRankings.getRanking(TEST_KEY, retrievedRanking));