diff --git a/control/json/triggers/trigger.hpp b/control/json/triggers/trigger.hpp
index 4e7e213..ced50d7 100644
--- a/control/json/triggers/trigger.hpp
+++ b/control/json/triggers/trigger.hpp
@@ -15,29 +15,16 @@
  */
 #pragma once
 
-#include "action.hpp"
 #include "init.hpp"
-#include "manager.hpp"
 #include "signal.hpp"
 #include "timer.hpp"
+#include "trigger_aliases.hpp"
 
-#include <nlohmann/json.hpp>
-
-#include <functional>
 #include <map>
-#include <memory>
-#include <vector>
 
 namespace phosphor::fan::control::json::trigger
 {
 
-using json = nlohmann::json;
-
-// Trigger creation function
-using createTrigger =
-    std::function<void(const json&, const std::string&, Manager*,
-                       std::vector<std::unique_ptr<ActionBase>>&)>;
-
 // Mapping of trigger class name to its creation function
 static const std::map<std::string, createTrigger> triggers = {
     {"timer", timer::triggerTimer},