1 files changed, 0 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index 87d1e4014f..7b7c51f4cd 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -455,7 +455,6 @@ VALUE rb_iseq_compile(VALUE src, VALUE file, VALUE line);
 VALUE ruby_iseq_disasm(VALUE self);
 VALUE ruby_iseq_disasm_insn(VALUE str, VALUE *iseqval, int pos, rb_iseq_t *iseq, VALUE child);
 const char *ruby_node_name(int node);
-VALUE rb_iseq_clone(VALUE iseqval, VALUE newcbase);
 int rb_iseq_first_lineno(rb_iseq_t *iseq);
 
 RUBY_EXTERN VALUE rb_cISeq;