diff --git a/umrr_ros2_driver/include/umrr_ros2_driver/UpdateService.hpp b/umrr_ros2_driver/include/umrr_ros2_driver/UpdateService.hpp
index ea53097..2b51044 100644
--- a/umrr_ros2_driver/include/umrr_ros2_driver/UpdateService.hpp
+++ b/umrr_ros2_driver/include/umrr_ros2_driver/UpdateService.hpp
@@ -12,7 +12,4 @@ using namespace com::types;
 using namespace com::master;
 
 void MyUpdateServiceInfoHandler(SWUpdateInfo &updateInfoLocal);
-void MyResponseCallback(IN ClientId clientId,
-                        IN std::shared_ptr<ResponseBatch> response);
-
 void StartSoftwareUpdate(ClientId client_id, std::string update_image);
diff --git a/umrr_ros2_driver/src/UpdateService.cpp b/umrr_ros2_driver/src/UpdateService.cpp
index 31d01ba..ea53b4f 100644
--- a/umrr_ros2_driver/src/UpdateService.cpp
+++ b/umrr_ros2_driver/src/UpdateService.cpp
@@ -26,11 +26,9 @@ using namespace com::types;
 using namespace com::master;
 
 static SWUpdateInfo UpdateInfoStatic;
-static int CallBackCounter = 0;
 
 void MyUpdateServiceInfoHandler(SWUpdateInfo &updateInfoLocal) {
   UpdateInfoStatic = updateInfoLocal;
-  CallBackCounter++;
   uint64_t downloadedBytes = updateInfoLocal.GetCurrentDownloadedBytes();
   RCLCPP_INFO(rclcpp::get_logger("rclcpp"), "Downloaded bytes: %lu", downloadedBytes);
 }
@@ -51,7 +49,6 @@ void StartSoftwareUpdate(ClientId client_id, std::string update_image) {
 
   UpdateInfoStatic.SetUpdateStatus(RUNNING);
   UpdateInfoStatic.SetCurrentDownloadedBytes(0);
-  int32_t CallCounter = 0;
   bool readyFlag = false;
 
   if (UpdateServicePtr->SoftwareUpdate(update_image, client_id,
@@ -65,7 +62,6 @@ void StartSoftwareUpdate(ClientId client_id, std::string update_image) {
     readyFlag = true;
   }
 
-  CallCounter++;
   std::this_thread::sleep_for(std::chrono::milliseconds(100));
 
   while (UpdateInfoStatic.GetUpdateStatus() == RUNNING && !readyFlag) {