diff --git a/include/pcg_extras.hpp b/include/pcg_extras.hpp
index 8445ca2..f2fdf42 100644
--- a/include/pcg_extras.hpp
+++ b/include/pcg_extras.hpp
@@ -39,10 +39,8 @@
 #include <cstring>
 #include <cassert>
 #include <limits>
-#include <iostream>
 #include <type_traits>
 #include <utility>
-#include <locale>
 #include <iterator>
 
 #ifdef __GNUC__
diff --git a/include/pcg_random.hpp b/include/pcg_random.hpp
index 4ab37cc..25963bf 100644
--- a/include/pcg_random.hpp
+++ b/include/pcg_random.hpp
@@ -80,12 +80,9 @@
 #include <cstring>
 #include <cassert>
 #include <limits>
-#include <iostream>
 #include <iterator>
 #include <type_traits>
 #include <utility>
-#include <locale>
-#include <new>
 #include <stdexcept>
 
 #ifdef _MSC_VER
diff --git a/sample/codebook.cpp b/sample/codebook.cpp
index 3e8d5ee..ebc8a59 100644
--- a/sample/codebook.cpp
+++ b/sample/codebook.cpp
@@ -23,10 +23,10 @@
  * Outputs a little spy codebook
  */
 
-#include "pcg_random.hpp"
 #include <cstdio>
 #include <iostream>
 #include <random>
+#include "pcg_random.hpp"
 
 int main()
 {