diff --git a/ChangeLog b/ChangeLog
index 27982040eaa348..a70f41dc76247f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Mar  1 16:13:18 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* internal.h (rb_file_const, rb_file_load_ok): moved functions for
+	  internal use only.
+
 Thu Mar  1 15:40:05 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* win32/makedirs.bat: new command to make intermediate
diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index b42e17ca65e854..6f632973f2471a 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -413,8 +413,6 @@ VALUE rb_file_expand_path(VALUE, VALUE);
 VALUE rb_file_s_absolute_path(int, VALUE *);
 VALUE rb_file_absolute_path(VALUE, VALUE);
 VALUE rb_file_dirname(VALUE fname);
-void rb_file_const(const char*, VALUE);
-int rb_file_load_ok(const char *);
 int rb_find_file_ext_safe(VALUE*, const char* const*, int);
 VALUE rb_find_file_safe(VALUE, int);
 int rb_find_file_ext(VALUE*, const char* const*);
diff --git a/internal.h b/internal.h
index 59bb3fda2d63a3..cf274ac223256d 100644
--- a/internal.h
+++ b/internal.h
@@ -93,6 +93,8 @@ void rb_call_end_proc(VALUE data);
 /* file.c */
 VALUE rb_home_dir(const char *user, VALUE result);
 VALUE rb_realpath_internal(VALUE basedir, VALUE path, int strict);
+void rb_file_const(const char*, VALUE);
+int rb_file_load_ok(const char *);
 void Init_File(void);
 
 /* gc.c */