diff --git a/wifi/1.0/default/hidl_struct_util.cpp b/wifi/1.0/default/hidl_struct_util.cpp
index 726f011..82364cb 100644
--- a/wifi/1.0/default/hidl_struct_util.cpp
+++ b/wifi/1.0/default/hidl_struct_util.cpp
@@ -338,7 +338,6 @@
       hidl_scan_params.reportThresholdPercent;
   legacy_scan_params->report_threshold_num_scans =
       hidl_scan_params.reportThresholdNumScans;
-  // TODO(b/33194311): Expose these max limits in the HIDL interface.
   if (hidl_scan_params.buckets.size() > MAX_BUCKETS) {
     return false;
   }
@@ -366,7 +365,6 @@
             convertHidlGscanReportEventFlagToLegacy(flag);
       }
     }
-    // TODO(b/33194311): Expose these max limits in the HIDL interface.
     if (hidl_bucket_spec.frequencies.size() > MAX_CHANNELS) {
       return false;
     }
diff --git a/wifi/1.0/default/wifi_chip.cpp b/wifi/1.0/default/wifi_chip.cpp
index 6aeedf8..6f980c0 100644
--- a/wifi/1.0/default/wifi_chip.cpp
+++ b/wifi/1.0/default/wifi_chip.cpp
@@ -317,6 +317,14 @@
                          ring_name);
 }
 
+Return<void> WifiChip::stopLoggingToDebugRingBuffer(
+    stopLoggingToDebugRingBuffer_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+                         &WifiChip::stopLoggingToDebugRingBufferInternal,
+                         hidl_status_cb);
+}
+
 Return<void> WifiChip::getDebugHostWakeReasonStats(
     getDebugHostWakeReasonStats_cb hidl_status_cb) {
   return validateAndCall(this,
@@ -735,6 +743,12 @@
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
+WifiStatus WifiChip::stopLoggingToDebugRingBufferInternal() {
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->deregisterRingBufferCallbackHandler();
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+
 std::pair<WifiStatus, WifiDebugHostWakeReasonStats>
 WifiChip::getDebugHostWakeReasonStatsInternal() {
   legacy_hal::wifi_error legacy_status;
diff --git a/wifi/1.0/default/wifi_chip.h b/wifi/1.0/default/wifi_chip.h
index e1c2344..406938c 100644
--- a/wifi/1.0/default/wifi_chip.h
+++ b/wifi/1.0/default/wifi_chip.h
@@ -119,6 +119,8 @@
   Return<void> forceDumpToDebugRingBuffer(
       const hidl_string& ring_name,
       forceDumpToDebugRingBuffer_cb hidl_status_cb) override;
+  Return<void> stopLoggingToDebugRingBuffer(
+      stopLoggingToDebugRingBuffer_cb hidl_status_cb) override;
   Return<void> getDebugHostWakeReasonStats(
       getDebugHostWakeReasonStats_cb hidl_status_cb) override;
   Return<void> enableDebugErrorAlerts(
@@ -170,6 +172,7 @@
       uint32_t max_interval_in_sec,
       uint32_t min_data_size_in_bytes);
   WifiStatus forceDumpToDebugRingBufferInternal(const hidl_string& ring_name);
+  WifiStatus stopLoggingToDebugRingBufferInternal();
   std::pair<WifiStatus, WifiDebugHostWakeReasonStats>
   getDebugHostWakeReasonStatsInternal();
   WifiStatus enableDebugErrorAlertsInternal(bool enable);
diff --git a/wifi/1.0/default/wifi_sta_iface.cpp b/wifi/1.0/default/wifi_sta_iface.cpp
index 0c84102..626b195 100644
--- a/wifi/1.0/default/wifi_sta_iface.cpp
+++ b/wifi/1.0/default/wifi_sta_iface.cpp
@@ -415,7 +415,7 @@
   const auto& on_full_result_callback = [weak_ptr_this](
       legacy_hal::wifi_request_id id,
       const legacy_hal::wifi_scan_result* result,
-      uint32_t /* buckets_scanned */) {
+      uint32_t buckets_scanned) {
     const auto shared_ptr_this = weak_ptr_this.promote();
     if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
       LOG(ERROR) << "Callback invoked on an invalid object";
@@ -428,7 +428,8 @@
       return;
     }
     for (const auto& callback : shared_ptr_this->getEventCallbacks()) {
-      if (!callback->onBackgroundFullScanResult(id, hidl_scan_result).isOk()) {
+      if (!callback->onBackgroundFullScanResult(
+              id, buckets_scanned, hidl_scan_result).isOk()) {
         LOG(ERROR) << "Failed to invoke onBackgroundFullScanResult callback";
       }
     }