4 files changed, 2 insertions, 7 deletions
diff --git a/include/mruby.h b/include/mruby.h
index 2d2bc64cc..6411f4bdb 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -32,7 +32,6 @@
 extern "C" {
 #endif
 
-#include <stdlib.h>
 #include "mrbconf.h"
 
 #include "mruby/value.h"
diff --git a/include/mruby/compile.h b/include/mruby/compile.h
index a50c85e42..382a5e6ff 100644
--- a/include/mruby/compile.h
+++ b/include/mruby/compile.h
@@ -12,7 +12,6 @@ extern "C" {
 #endif
 
 #include "mruby.h"
-#include <stdio.h>
 #include <setjmp.h>
 
 /* load context */
diff --git a/include/mruby/dump.h b/include/mruby/dump.h
index 8b78e74d0..196eefb3b 100644
--- a/include/mruby/dump.h
+++ b/include/mruby/dump.h
@@ -12,10 +12,6 @@ extern "C" {
 #endif
 
 #include "mruby.h"
-#ifdef ENABLE_STDIO
-#include <stdio.h>
-#endif
-#include <stdint.h>
 
 #ifdef ENABLE_STDIO
 int mrb_dump_irep(mrb_state*,int,FILE*);
diff --git a/include/mruby/khash.h b/include/mruby/khash.h
index 373e54b13..db8048f5a 100644
--- a/include/mruby/khash.h
+++ b/include/mruby/khash.h
@@ -11,7 +11,8 @@
 extern "C" {
 #endif
 
-#include <stdint.h>
+#include "mruby.h"
+#include <string.h>
 
 typedef uint32_t khint_t;
 typedef khint_t khiter_t;