diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 15accbeb198eb..053f6cb4b05b0 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -10331,7 +10331,7 @@ package android.service.storage {
     ctor public ExternalStorageService();
     method @NonNull public final android.os.IBinder onBind(@NonNull android.content.Intent);
     method public abstract void onEndSession(@NonNull String) throws java.io.IOException;
-    method public void onFreeCacheRequested(@NonNull java.util.UUID, long);
+    method public void onFreeCache(@NonNull java.util.UUID, long) throws java.io.IOException;
     method public abstract void onStartSession(@NonNull String, int, @NonNull android.os.ParcelFileDescriptor, @NonNull java.io.File, @NonNull java.io.File) throws java.io.IOException;
     method public abstract void onVolumeStateChanged(@NonNull android.os.storage.StorageVolume) throws java.io.IOException;
     field public static final int FLAG_SESSION_ATTRIBUTE_INDEXABLE = 2; // 0x2
diff --git a/core/java/android/service/storage/ExternalStorageService.java b/core/java/android/service/storage/ExternalStorageService.java
index 0123c368583c2..a750b689ee02a 100644
--- a/core/java/android/service/storage/ExternalStorageService.java
+++ b/core/java/android/service/storage/ExternalStorageService.java
@@ -158,7 +158,7 @@ public abstract class ExternalStorageService extends Service {
      * @param volumeUuid uuid of the {@link StorageVolume} from which cache needs to be freed
      * @param bytes number of bytes which need to be freed
      */
-    public void onFreeCacheRequested(@NonNull UUID volumeUuid, @BytesLong long bytes) {
+    public void onFreeCache(@NonNull UUID volumeUuid, @BytesLong long bytes) throws IOException {
         throw new UnsupportedOperationException("onFreeCacheRequested not implemented");
     }
 
@@ -202,7 +202,7 @@ public abstract class ExternalStorageService extends Service {
                 RemoteCallback callback) {
             mHandler.post(() -> {
                 try {
-                    onFreeCacheRequested(StorageManager.convert(volumeUuid), bytes);
+                    onFreeCache(StorageManager.convert(volumeUuid), bytes);
                     sendResult(sessionId, null /* throwable */, callback);
                 } catch (Throwable t) {
                     sendResult(sessionId, t, callback);