diff --git a/core/java/android/window/BackProgressAnimator.java b/core/java/android/window/BackProgressAnimator.java
index 163e43a..6fe0784 100644
--- a/core/java/android/window/BackProgressAnimator.java
+++ b/core/java/android/window/BackProgressAnimator.java
@@ -114,7 +114,6 @@
      *                 dispatches as the progress animation updates.
      */
     public void onBackStarted(BackMotionEvent event, ProgressCallback callback) {
-        reset();
         mLastBackEvent = event;
         mCallback = callback;
         mBackAnimationInProgress = true;