1 files changed, 1 insertions, 2 deletions
diff --git a/error.c b/error.c
index b89818337e..7c95455826 100644
--- a/error.c
+++ b/error.c
@@ -12,6 +12,7 @@
 #include "ruby/ruby.h"
 #include "ruby/st.h"
 #include "ruby/encoding.h"
+#include "internal.h"
 #include "vm_core.h"
 
 #include <stdio.h>
@@ -230,8 +231,6 @@ rb_warn_m(VALUE self, VALUE mesg)
     return Qnil;
 }
 
-void rb_vm_bugreport(void);
-
 static void
 report_bug(const char *file, int line, const char *fmt, va_list args)
 {