diff --git a/pid/ec/logging.hpp b/pid/ec/logging.hpp
index 049d2ed..819d985 100644
--- a/pid/ec/logging.hpp
+++ b/pid/ec/logging.hpp
@@ -5,8 +5,8 @@
 #include <chrono>
 #include <cstring>
 #include <fstream>
-#include <iostream>
 #include <string>
+#include <utility>
 
 namespace pid_control
 {