diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index 27330fe..c95d5ad 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -101,7 +101,7 @@
     boolean needsRollback();
     void abortChanges();
     boolean commitChanges();
-    boolean prepareDriveForCheckpoint(@utf8InCpp String mountPoint);
+    boolean prepareCheckpoint();
     boolean restoreCheckpoint(@utf8InCpp String device);
     boolean markBootAttempt();