3 files changed, 1 insertions, 4 deletions
diff --git a/eval_error.c b/eval_error.c
index 6b996fa073..b1c17b63e2 100644
--- a/eval_error.c
+++ b/eval_error.c
@@ -66,8 +66,6 @@ rb_get_backtrace(VALUE info)
     return get_backtrace(info);
 }
 
-VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
-
 static void
 set_backtrace(VALUE info, VALUE bt)
 {
diff --git a/vm_args.c b/vm_args.c
index 2546b86e8e..9efc95bf7b 100644
--- a/vm_args.c
+++ b/vm_args.c
@@ -691,8 +691,6 @@ setup_parameters_complex(rb_thread_t * const th, const rb_iseq_t * const iseq,
     return opt_pc;
 }
 
-VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
-
 static void
 raise_argument_error(rb_thread_t *th, const rb_iseq_t *iseq, const VALUE exc)
 {
diff --git a/vm_core.h b/vm_core.h
index feb71f08e1..9c304c806b 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1137,6 +1137,7 @@ enum {
 #define RUBY_VM_INTERRUPTED(th) ((th)->interrupt_flag & ~(th)->interrupt_mask & (PENDING_INTERRUPT_MASK|TRAP_INTERRUPT_MASK))
 #define RUBY_VM_INTERRUPTED_ANY(th) ((th)->interrupt_flag & ~(th)->interrupt_mask)
 
+VALUE rb_exc_set_backtrace(VALUE exc, VALUE bt);
 int rb_signal_buff_size(void);
 void rb_signal_exec(rb_thread_t *th, int sig);
 void rb_threadptr_check_signal(rb_thread_t *mth);