diff --git a/src/system/system_event.cpp b/src/system/system_event.cpp
index b9d86ed..caf89ab 100644
--- a/src/system/system_event.cpp
+++ b/src/system/system_event.cpp
@@ -4,9 +4,7 @@
 #include <sta/assert.hpp>
 
 #include <cmsis_os2.h>
-
 #include <FreeRTOS.h>
-#include <event_groups.h>
 
 
 namespace