1 files changed, 0 insertions, 2 deletions
diff --git a/vm_core.h b/vm_core.h
index 48bf223853..390e790592 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -218,8 +218,6 @@ typedef struct rb_iseq_location_struct {
     VALUE first_lineno; /* TODO: may be unsigned short */
 } rb_iseq_location_t;
 
-struct rb_iseq_struct;
-
 struct rb_iseq_struct {
     /***************/
     /* static data */