diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index f05e5e1fc7..7075f7c0f2 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -787,7 +787,7 @@ cref_replace_with_duplicated_cref_each_frame(const VALUE *vptr, int can_be_svar,
 	    return (rb_cref_t *)new_cref;
 	  case imemo_svar:
 	    if (can_be_svar) {
-		return cref_replace_with_duplicated_cref_each_frame((const VALUE *)&((struct vm_svar *)v)->cref_or_me, FALSE, v);
+		return cref_replace_with_duplicated_cref_each_frame(&((struct vm_svar *)v)->cref_or_me, FALSE, v);
 	    }
             /* fall through */
 	  case imemo_ment:
@@ -877,7 +877,7 @@ rb_vm_rewrite_cref(rb_cref_t *cref, VALUE old_klass, VALUE new_klass, rb_cref_t
 	new_cref = vm_cref_new_use_prev(CREF_CLASS(cref), METHOD_VISI_UNDEF, FALSE, cref, FALSE);
 	cref = CREF_NEXT(cref);
 	*new_cref_ptr = new_cref;
-	new_cref_ptr = (rb_cref_t **)&new_cref->next;
+	new_cref_ptr = &new_cref->next;
     }
     *new_cref_ptr = NULL;
 }