diff --git a/data.cpp b/data.cpp
index 51e694e..7c525e5 100644
--- a/data.cpp
+++ b/data.cpp
@@ -1,4 +1,3 @@
-#include <iostream>
 #include <assert.h>
 #include <random>
 #include "toolbox.hpp"
diff --git a/data.hpp b/data.hpp
index 7a18716..584bca8 100644
--- a/data.hpp
+++ b/data.hpp
@@ -1,6 +1,4 @@
 #pragma once
-#include <iostream>
-#include <functional>
 #include <memory>
 #include <cstring>
 
diff --git a/toolbox.cpp b/toolbox.cpp
index 13cbe17..434c182 100644
--- a/toolbox.cpp
+++ b/toolbox.cpp
@@ -1,7 +1,6 @@
 #include <numeric>
 #include <cassert>
 #include <algorithm>
-#include <memory>
 #include <array>
 #include "toolbox.hpp"