diff --git a/include/cubescript/cubescript.hh b/include/cubescript/cubescript.hh
index 719bad1d..a444a77d 100644
--- a/include/cubescript/cubescript.hh
+++ b/include/cubescript/cubescript.hh
@@ -9,7 +9,6 @@
 #include "cubescript_conf.hh"
 
 #include <ostd/platform.hh>
-#include <ostd/memory.hh>
 #include <ostd/types.hh>
 #include <ostd/type_traits.hh>
 #include <ostd/string.hh>
diff --git a/src/cs_gen.cc b/src/cs_gen.cc
index 01a3da1d..b631d500 100644
--- a/src/cs_gen.cc
+++ b/src/cs_gen.cc
@@ -4,7 +4,6 @@
 
 #include <ctype.h>
 
-#include <ostd/memory.hh>
 #include <ostd/limits.hh>
 
 namespace cscript {
diff --git a/src/cs_vm.cc b/src/cs_vm.cc
index 0067adb9..9eb73743 100644
--- a/src/cs_vm.cc
+++ b/src/cs_vm.cc
@@ -2,7 +2,6 @@
 #include "cs_vm.hh"
 #include "cs_util.hh"
 
-#include <ostd/memory.hh>
 #include <ostd/limits.hh>
 
 namespace cscript {