1 files changed, 0 insertions, 2 deletions
diff --git a/src/error.c b/src/error.c
index ced50e3e1..68278f426 100644
--- a/src/error.c
+++ b/src/error.c
@@ -7,10 +7,8 @@
 #include <errno.h>
 #include <stdarg.h>
 #include <stdlib.h>
-#include <string.h>
 #include "mruby.h"
 #include "mruby/array.h"
-#include "mruby/class.h"
 #include "mruby/irep.h"
 #include "mruby/proc.h"
 #include "mruby/string.h"