diff --git a/aosp/dynamic_partition_control_android.cc b/aosp/dynamic_partition_control_android.cc
index 7818086..ca3473c 100644
--- a/aosp/dynamic_partition_control_android.cc
+++ b/aosp/dynamic_partition_control_android.cc
@@ -1428,7 +1428,7 @@
 DynamicPartitionControlAndroid::OpenCowWriter(
     const std::string& partition_name,
     const std::optional<std::string>& source_path,
-    bool is_append) {
+    bool) {
   auto suffix = SlotSuffixForSlotNumber(target_slot_);
 
   auto super_device = GetSuperDevice();
diff --git a/aosp/update_attempter_android.cc b/aosp/update_attempter_android.cc
index 617edab..ea0b0d9 100644
--- a/aosp/update_attempter_android.cc
+++ b/aosp/update_attempter_android.cc
@@ -350,6 +350,12 @@
   if (!headers[kPayloadDisableVABC].empty()) {
     install_plan_.disable_vabc = true;
   }
+  if (!headers[kPayloadEnableThreading].empty()) {
+    install_plan_.enable_threading = true;
+  }
+  if (!headers[kPayloadBatchedWrites].empty()) {
+    install_plan_.batched_writes = true;
+  }
 
   BuildUpdateActions(fetcher);