diff --git a/src/timer.cpp b/src/timer.cpp
index 69fa699..424160f 100644
--- a/src/timer.cpp
+++ b/src/timer.cpp
@@ -1,6 +1,4 @@
 #include <cmath>
-#include <signal.h>
-#include <time.h>
 #include <libscerror.hpp>
 #include "timer.hpp"
 
diff --git a/src/timer.hpp b/src/timer.hpp
index 18b817b..e034f52 100644
--- a/src/timer.hpp
+++ b/src/timer.hpp
@@ -3,6 +3,8 @@
 
 #include <cstdint>
 #include <mutex>
+#include <signal.h>
+#include <time.h>
 
 namespace sc {