1 files changed, 0 insertions, 1 deletions
diff --git a/iseq.c b/iseq.c
index 25fc792955..d1d8b4124a 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1024,7 +1024,6 @@ iseq_s_disasm(VALUE klass, VALUE body)
 {
     VALUE ret = Qnil;
     rb_iseq_t *iseq;
-    extern rb_iseq_t *rb_method_get_iseq(VALUE body);
 
     rb_secure(1);