diff --git a/src/ExternalSensorMain.cpp b/src/ExternalSensorMain.cpp
index adaa8e3..3beb5b9 100644
--- a/src/ExternalSensorMain.cpp
+++ b/src/ExternalSensorMain.cpp
@@ -1,21 +1,27 @@
 #include "ExternalSensor.hpp"
+#include "Thresholds.hpp"
 #include "Utils.hpp"
 #include "VariantVisitors.hpp"
 
-#include <boost/algorithm/string/replace.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/post.hpp>
+#include <boost/asio/steady_timer.hpp>
 #include <boost/container/flat_map.hpp>
 #include <boost/container/flat_set.hpp>
 #include <sdbusplus/asio/connection.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/bus/match.hpp>
+#include <sdbusplus/message.hpp>
+#include <sdbusplus/message/native_types.hpp>
 
+#include <algorithm>
 #include <array>
-#include <filesystem>
-#include <fstream>
+#include <chrono>
+#include <cmath>
 #include <functional>
+#include <iostream>
 #include <memory>
-#include <regex>
-#include <stdexcept>
 #include <string>
 #include <utility>
 #include <variant>