diff --git a/core/java/android/app/assist/AssistStructure.java b/core/java/android/app/assist/AssistStructure.java
index ef41b10640cb2..d568662409d7a 100644
--- a/core/java/android/app/assist/AssistStructure.java
+++ b/core/java/android/app/assist/AssistStructure.java
@@ -2237,6 +2237,22 @@ public class AssistStructure implements Parcelable {
         return mWindowNodes.get(index);
     }
 
+    // TODO(b/35708678): temporary method that disable one-way warning flag on binder.
+    /** @hide */
+    public void ensureDataForAutofill() {
+        if (mHaveData) {
+            return;
+        }
+        mHaveData = true;
+        Binder.allowBlocking(mReceiveChannel);
+        try {
+            ParcelTransferReader reader = new ParcelTransferReader(mReceiveChannel);
+            reader.go();
+        } finally {
+            Binder.defaultBlocking(mReceiveChannel);
+        }
+    }
+
     /** @hide */
     public void ensureData() {
         if (mHaveData) {
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index 5eee9ed6c9b2b..4abf0f8e8f1ab 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -254,7 +254,7 @@ final class Session implements RemoteFillService.FillServiceCallbacks, ViewState
                 // change AssistStructure so it provides a "one-way" writeToParcel() method that
                 // sends all the data
                 try {
-                    structure.ensureData();
+                    structure.ensureDataForAutofill();
                 } catch (RuntimeException e) {
                     wtf(e, "Exception lazy loading assist structure for %s: %s",
                             structure.getActivityComponent(), e);