diff --git a/include/cubescript/cubescript.hh b/include/cubescript/cubescript.hh
index 2c5a21a..5615ef9 100644
--- a/include/cubescript/cubescript.hh
+++ b/include/cubescript/cubescript.hh
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <vector>
 #include <optional>
 #include <functional>
 #include <type_traits>
@@ -13,7 +14,6 @@
 
 #include <ostd/platform.hh>
 #include <ostd/string.hh>
-#include <ostd/vector.hh>
 #include <ostd/range.hh>
 #include <ostd/io.hh>
 #include <ostd/format.hh>
diff --git a/src/cs_util.hh b/src/cs_util.hh
index 1298459..f81cadf 100644
--- a/src/cs_util.hh
+++ b/src/cs_util.hh
@@ -2,9 +2,9 @@
 #define LIBCUBESCRIPT_CS_UTIL_HH
 
 #include <type_traits>
+#include <unordered_map>
 
 #include <ostd/string.hh>
-#include <ostd/unordered_map.hh>
 
 namespace cscript {
 
diff --git a/src/cs_vm.hh b/src/cs_vm.hh
index a0b87af..2cb8889 100644
--- a/src/cs_vm.hh
+++ b/src/cs_vm.hh
@@ -5,8 +5,7 @@
 
 #include <cstdlib>
 #include <array>
-
-#include <ostd/vector.hh>
+#include <vector>
 
 #include "cs_util.hh"